diff options
Diffstat (limited to 'widgets/text/e-text.c')
| -rw-r--r-- | widgets/text/e-text.c | 3867 |
1 files changed, 0 insertions, 3867 deletions
diff --git a/widgets/text/e-text.c b/widgets/text/e-text.c deleted file mode 100644 index b3ad50b868..0000000000 --- a/widgets/text/e-text.c +++ /dev/null @@ -1,3867 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-text.c - Text item for evolution. - * Copyright 2000, 2001, Ximian, Inc. - * - * Authors: - * Chris Lahey <clahey@ximian.com> - * Jon Trowbridge <trow@ximian.com> - * - * A majority of code taken from: - * - * Text item type for GnomeCanvas widget - * - * GnomeCanvas is basically a port of the Tk toolkit's most excellent - * canvas widget. Tk is copyrighted by the Regents of the University - * of California, Sun Microsystems, and other parties. - * - * Copyright (C) 1998 The Free Software Foundation - * - * Author: Federico Mena <federico@nuclecu.unam.mx> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License, version 2, as published by the Free Software Foundation. - * - * This library is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#include <config.h> - -#include "e-text.h" - -#include <math.h> -#include <ctype.h> -#include <string.h> -#include <glib-object.h> -#include <gdk/gdkx.h> /* for BlackPixel */ -#include <gdk/gdkkeysyms.h> -#include <gtk/gtkclipboard.h> -#include <gtk/gtkmain.h> -#include <gtk/gtkselection.h> -#include <gtk/gtkstock.h> -#include <gtk/gtkwindow.h> -#include <gtk/gtktypebuiltins.h> -#include <gtk/gtkmenu.h> -#include <gtk/gtkimagemenuitem.h> -#include <gtk/gtkimmulticontext.h> -#include <gtk/gtkmenuitem.h> -#include <gtk/gtkseparatormenuitem.h> -#include <libgnomecanvas/gnome-canvas-rect-ellipse.h> -#include <libgnome/gnome-i18n.h> -#include "gal/util/e-util.h" -#include "gal/widgets/e-canvas.h" -#include "gal/widgets/e-canvas-utils.h" -#include "gal/widgets/e-unicode.h" -#include "gal/util/e-text-event-processor-emacs-like.h" -#include "gal/util/e-util.h" -#include <libart_lgpl/art_affine.h> -#include <libart_lgpl/art_rgb.h> -#include <libart_lgpl/art_rgb_bitmap_affine.h> - -#include <atk/atk.h> -#include "gal/a11y/e-text/gal-a11y-e-text.h" - -#define PARENT_TYPE (gnome_canvas_item_get_type()) - -#define BORDER_INDENT 3 -#define d(x) - -enum { - E_TEXT_CHANGED, - E_TEXT_ACTIVATE, - E_TEXT_KEYPRESS, - E_TEXT_POPULATE_POPUP, - E_TEXT_STYLE_SET, - E_TEXT_LAST_SIGNAL -}; - -static GQuark e_text_signals[E_TEXT_LAST_SIGNAL] = { 0 }; - -/* Object argument IDs */ -enum { - PROP_0, - PROP_MODEL, - PROP_EVENT_PROCESSOR, - PROP_TEXT, - PROP_BOLD, - PROP_STRIKEOUT, - PROP_ANCHOR, - PROP_JUSTIFICATION, - PROP_CLIP_WIDTH, - PROP_CLIP_HEIGHT, - PROP_CLIP, - PROP_FILL_CLIP_RECTANGLE, - PROP_X_OFFSET, - PROP_Y_OFFSET, - PROP_FILL_COLOR, - PROP_FILL_COLOR_GDK, - PROP_FILL_COLOR_RGBA, - PROP_FILL_STIPPLE, - PROP_TEXT_WIDTH, - PROP_TEXT_HEIGHT, - PROP_EDITABLE, - PROP_USE_ELLIPSIS, - PROP_ELLIPSIS, - PROP_LINE_WRAP, - PROP_BREAK_CHARACTERS, - PROP_MAX_LINES, - PROP_WIDTH, - PROP_HEIGHT, - PROP_DRAW_BORDERS, - PROP_ALLOW_NEWLINES, - PROP_DRAW_BACKGROUND, - PROP_DRAW_BUTTON, - PROP_CURSOR_POS, - PROP_IM_CONTEXT, - PROP_HANDLE_POPUP -}; - -static void e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gpointer data); - -static void e_text_text_model_changed(ETextModel *model, EText *text); -static void e_text_text_model_reposition (ETextModel *model, ETextModelReposFn fn, gpointer repos_data, gpointer data); - -static void _get_tep(EText *text); - -static void calc_height (EText *text); - -static gboolean show_pango_rectangle (EText *text, PangoRectangle rect); - -static void e_text_do_popup (EText *text, GdkEventButton *button, int position); - -static void e_text_update_primary_selection (EText *text); -static void e_text_paste (EText *text, GdkAtom selection); -static void e_text_insert(EText *text, const char *string); - -static void reset_layout_attrs (EText *text); - -#if 0 -/* GtkEditable Methods */ -static void e_text_editable_do_insert_text (GtkEditable *editable, - const gchar *text, - gint length, - gint *position); -static void e_text_editable_do_delete_text (GtkEditable *editable, - gint start_pos, - gint end_pos); -static gchar* e_text_editable_get_chars (GtkEditable *editable, - gint start_pos, - gint end_pos); -static void e_text_editable_set_selection_bounds (GtkEditable *editable, - gint start_pos, - gint end_pos); -static gboolean e_text_editable_get_selection_bounds (GtkEditable *editable, - gint *start_pos, - gint *end_pos); -static void e_text_editable_set_position (GtkEditable *editable, - gint position); -static gint e_text_editable_get_position (GtkEditable *editable); -#endif - -/* IM Context Callbacks */ -static void e_text_commit_cb (GtkIMContext *context, - const gchar *str, - EText *text); -static void e_text_preedit_changed_cb (GtkIMContext *context, - EText *text); -static gboolean e_text_retrieve_surrounding_cb (GtkIMContext *context, - EText *text); -static gboolean e_text_delete_surrounding_cb (GtkIMContext *context, - gint offset, - gint n_chars, - EText *text); - -static GnomeCanvasItemClass *parent_class; -static GdkAtom clipboard_atom = GDK_NONE; - - - -/* Dispose handler for the text item */ - -#if 0 -static void -e_text_style_set (EText *text, GtkStyle *previous_style) -{ - if ( text->line_wrap ) { - text->needs_split_into_lines = 1; - } else { - text->needs_calc_height = 1; - } - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (text)); -} -#endif - -static void -e_text_dispose (GObject *object) -{ - EText *text; - - g_return_if_fail (object != NULL); - g_return_if_fail (E_IS_TEXT (object)); - - text = E_TEXT (object); - - if (text->tooltip_owner) - e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)); - text->tooltip_owner = 0; - - if (text->model_changed_signal_id) - g_signal_handler_disconnect (text->model, - text->model_changed_signal_id); - text->model_changed_signal_id = 0; - - if (text->model_repos_signal_id) - g_signal_handler_disconnect (text->model, - text->model_repos_signal_id); - text->model_repos_signal_id = 0; - - if (text->model) - g_object_unref(text->model); - text->model = NULL; - - if (text->tep_command_id) - g_signal_handler_disconnect(text->tep, - text->tep_command_id); - text->tep_command_id = 0; - - if (text->tep) - g_object_unref (text->tep); - text->tep = NULL; - - g_free (text->revert); - text->revert = NULL; - - if (text->stipple) - gdk_bitmap_unref (text->stipple); - text->stipple = NULL; - - if (text->timeout_id) { - g_source_remove(text->timeout_id); - text->timeout_id = 0; - } - - if (text->timer) { - g_timer_stop(text->timer); - g_timer_destroy(text->timer); - text->timer = NULL; - } - - if ( text->tooltip_timeout ) { - gtk_timeout_remove (text->tooltip_timeout); - text->tooltip_timeout = 0; - } - - if ( text->dbl_timeout ) { - gtk_timeout_remove (text->dbl_timeout); - text->dbl_timeout = 0; - } - - if ( text->tpl_timeout ) { - gtk_timeout_remove (text->tpl_timeout); - text->tpl_timeout = 0; - } - - if (text->layout) { - g_object_unref (text->layout); - text->layout = NULL; - } - - if (text->im_context) { - g_signal_handlers_disconnect_matched (text->im_context, - G_SIGNAL_MATCH_DATA, - 0, 0, NULL, - NULL, text); - g_object_unref (text->im_context); - text->im_context = NULL; - } - - if (G_OBJECT_CLASS (parent_class)->dispose) - (* G_OBJECT_CLASS (parent_class)->dispose) (object); -} - -static void -insert_preedit_text (EText *text) -{ - PangoAttrList *attrs = NULL; - PangoAttrList *preedit_attrs = NULL; - gchar *preedit_string = NULL; - GString *tmp_string = g_string_new (NULL); - gint length = 0, cpos = 0, preedit_length = 0; - gboolean new_attrs = FALSE; - - if (text->layout == NULL || !GTK_IS_IM_CONTEXT (text->im_context)) - return; - - text->text = e_text_model_get_text(text->model); - length = strlen (text->text); - - g_string_prepend_len (tmp_string, text->text,length); - - if (text->preedit_len) - gtk_im_context_get_preedit_string (text->im_context, - &preedit_string, &preedit_attrs, - NULL); - - if (preedit_string && g_utf8_validate (preedit_string, -1, NULL)) - text->preedit_len = preedit_length = strlen (preedit_string); - else - text->preedit_len = preedit_length = 0; - - cpos = g_utf8_offset_to_pointer (text->text, text->selection_start) - text->text; - - if (preedit_length) { - g_string_insert (tmp_string, cpos, preedit_string); - - reset_layout_attrs (text); - - attrs = pango_layout_get_attributes (text->layout); - if (!attrs) { - attrs = pango_attr_list_new (); - new_attrs = TRUE; - } - - pango_layout_set_text (text->layout, tmp_string->str, tmp_string->len); - - pango_attr_list_splice (attrs, preedit_attrs, cpos, preedit_length); - - if (new_attrs) { - pango_layout_set_attributes (text->layout, attrs); - pango_attr_list_unref (attrs); - } - } - - if (preedit_string) - g_free (preedit_string); - if (preedit_attrs) - pango_attr_list_unref (preedit_attrs); - if (tmp_string) - g_string_free (tmp_string, TRUE); -} - -static void -reset_layout_attrs (EText *text) -{ - PangoAttrList *attrs = NULL; - int object_count; - - if (text->layout == NULL) - return; - - object_count = e_text_model_object_count (text->model); - - if (text->bold || text->strikeout || object_count > 0) { - int length = 0; - int i; - - attrs = pango_attr_list_new (); - - for (i = 0; i < object_count; i++) { - int start_pos, end_pos; - PangoAttribute *attr = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE); - - e_text_model_get_nth_object_bounds (text->model, i, &start_pos, &end_pos); - - attr->start_index = g_utf8_offset_to_pointer (text->text, start_pos) - text->text; - attr->end_index = g_utf8_offset_to_pointer (text->text, end_pos) - text->text; - - pango_attr_list_insert (attrs, attr); - } - - if (text->bold || text->strikeout) - length = strlen (text->text); - - if (text->bold) { - PangoAttribute *attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD); - attr->start_index = 0; - attr->end_index = length; - - pango_attr_list_insert_before (attrs, attr); - } - if (text->strikeout) { - PangoAttribute *attr = pango_attr_strikethrough_new (TRUE); - attr->start_index = 0; - attr->end_index = length; - - pango_attr_list_insert_before (attrs, attr); - } - } - pango_layout_set_attributes (text->layout, attrs); - if (attrs) - pango_attr_list_unref (attrs); - calc_height (text); -} - -static void -create_layout (EText *text) -{ - GnomeCanvasItem *item = GNOME_CANVAS_ITEM (text); - - if (text->layout) - return; - - text->layout = gtk_widget_create_pango_layout (GTK_WIDGET (item->canvas), text->text); - if (text->line_wrap) - pango_layout_set_width (text->layout, text->clip_width < 0 ? -1 : text->clip_width * PANGO_SCALE); - reset_layout_attrs (text); -} - -static void -reset_layout (EText *text) -{ - if (text->layout == NULL) { - create_layout (text); - } - else { - pango_layout_set_text (text->layout, text->text, -1); - reset_layout_attrs (text); - } - - if (!text->button_down) { - PangoRectangle strong_pos, weak_pos; - char *offs = g_utf8_offset_to_pointer (text->text, text->selection_start); - - pango_layout_get_cursor_pos (text->layout, offs - text->text, &strong_pos, &weak_pos); - - if (strong_pos.x != weak_pos.x || - strong_pos.y != weak_pos.y || - strong_pos.width != weak_pos.width || - strong_pos.height != weak_pos.height) - show_pango_rectangle (text, weak_pos); - - show_pango_rectangle (text, strong_pos); - } -} - -static void -e_text_text_model_changed (ETextModel *model, EText *text) -{ - gint model_len = e_text_model_get_text_length (model); - text->text = e_text_model_get_text(model); - - /* Make sure our selection doesn't extend past the bounds of our text. */ - text->selection_start = CLAMP (text->selection_start, 0, model_len); - text->selection_end = CLAMP (text->selection_end, 0, model_len); - - text->needs_reset_layout = 1; - text->needs_split_into_lines = 1; - text->needs_redraw = 1; - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM(text)); - gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (text)); - - g_signal_emit (text, e_text_signals[E_TEXT_CHANGED], 0); -} - -static void -e_text_text_model_reposition (ETextModel *model, ETextModelReposFn fn, gpointer repos_data, gpointer user_data) -{ - EText *text = E_TEXT (user_data); - gint model_len = e_text_model_get_text_length (model); - - text->selection_start = fn (text->selection_start, repos_data); - text->selection_end = fn (text->selection_end, repos_data); - - /* Our repos function should make sure we don't overrun the buffer, but it never - hurts to be paranoid. */ - text->selection_start = CLAMP (text->selection_start, 0, model_len); - text->selection_end = CLAMP (text->selection_end, 0, model_len); - - if (text->selection_start > text->selection_end) { - gint tmp = text->selection_start; - text->selection_start = text->selection_end; - text->selection_end = tmp; - } -} - -static void -get_bounds (EText *text, double *px1, double *py1, double *px2, double *py2) -{ - GnomeCanvasItem *item; - double wx, wy, clip_width, clip_height; - - item = GNOME_CANVAS_ITEM (text); - - /* Get canvas pixel coordinates for text position */ - - wx = 0; - wy = 0; - gnome_canvas_item_i2w (item, &wx, &wy); - gnome_canvas_w2c (item->canvas, wx + text->xofs, wy + text->yofs, &text->cx, &text->cy); - gnome_canvas_w2c (item->canvas, wx, wy, &text->clip_cx, &text->clip_cy); - - if (text->clip_width < 0) - clip_width = text->width; - else - clip_width = text->clip_width; - - if ( text->clip_height < 0 ) - clip_height = text->height; - else - clip_height = text->clip_height; - - /* Get canvas pixel coordinates for clip rectangle position */ - text->clip_cwidth = clip_width * item->canvas->pixels_per_unit; - text->clip_cheight = clip_height * item->canvas->pixels_per_unit; - - /* Anchor text */ - - switch (text->anchor) { - case GTK_ANCHOR_NW: - case GTK_ANCHOR_W: - case GTK_ANCHOR_SW: - break; - - case GTK_ANCHOR_N: - case GTK_ANCHOR_CENTER: - case GTK_ANCHOR_S: - text->cx -= text->width / 2; - text->clip_cx -= text->clip_cwidth / 2; - break; - - case GTK_ANCHOR_NE: - case GTK_ANCHOR_E: - case GTK_ANCHOR_SE: - text->cx -= text->width; - text->clip_cx -= text->clip_cwidth; - break; - } - - switch (text->anchor) { - case GTK_ANCHOR_NW: - case GTK_ANCHOR_N: - case GTK_ANCHOR_NE: - break; - - case GTK_ANCHOR_W: - case GTK_ANCHOR_CENTER: - case GTK_ANCHOR_E: - text->cy -= text->height / 2; - text->clip_cy -= text->clip_cheight / 2; - break; - - case GTK_ANCHOR_SW: - case GTK_ANCHOR_S: - case GTK_ANCHOR_SE: - text->cy -= text->height; - text->clip_cy -= text->clip_cheight; - break; - } - - text->text_cx = text->cx; - text->text_cy = text->cy; - - if (text->draw_borders) { - text->text_cx += BORDER_INDENT; - text->text_cy += BORDER_INDENT; - } - - /* Bounds */ - - if (text->clip) { - *px1 = text->clip_cx; - *py1 = text->clip_cy; - *px2 = text->clip_cx + text->clip_cwidth; - *py2 = text->clip_cy + text->clip_cheight; - } else { - *px1 = text->cx; - *py1 = text->cy; - *px2 = text->cx + text->width; - *py2 = text->cy + text->height; - } -} - -static void -calc_height (EText *text) -{ - GnomeCanvasItem *item; - int old_height; - int old_width; - int width = 0; - int height = 0; - - item = GNOME_CANVAS_ITEM (text); - - /* Calculate text dimensions */ - - old_height = text->height; - old_width = text->width; - - if (text->layout) - pango_layout_get_pixel_size (text->layout, &width, &height); - - text->height = height; - text->width = width; - - if (old_height != text->height || old_width != text->width) - e_canvas_item_request_parent_reflow(item); -} - -static void -calc_ellipsis (EText *text) -{ -#warning "AIEEEE FIX ME. a pango layout per calc_ellipsis sucks" - int width; - PangoLayout *layout = gtk_widget_create_pango_layout (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas), - text->ellipsis ? text->ellipsis : "..."); - pango_layout_get_size (layout, &width, NULL); - - text->ellipsis_width = width; - - g_object_unref (layout); -} - -static void -split_into_lines (EText *text) -{ - text->num_lines = pango_layout_get_line_count (text->layout); -} - -/* Convenience function to set the text's GC's foreground color */ -static void -set_text_gc_foreground (EText *text) -{ - if (!text->gc) - return; - - gdk_gc_set_foreground (text->gc, &text->color); -} - -/* Sets the stipple pattern for the text */ -static void -set_stipple (EText *text, GdkBitmap *stipple, int reconfigure) -{ - if (text->stipple && !reconfigure) - gdk_bitmap_unref (text->stipple); - - text->stipple = stipple; - if (stipple && !reconfigure) - gdk_bitmap_ref (stipple); - - if (text->gc) { - if (stipple) { - gdk_gc_set_stipple (text->gc, stipple); - gdk_gc_set_fill (text->gc, GDK_STIPPLED); - } else - gdk_gc_set_fill (text->gc, GDK_SOLID); - } -} - -/* Set_arg handler for the text item */ -static void -e_text_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - GnomeCanvasItem *item; - EText *text; - GdkColor color = { 0, 0, 0, 0, }; - GdkColor *pcolor; - gboolean color_changed; - int have_pixel; - - gboolean needs_update = 0; - gboolean needs_reflow = 0; - - item = GNOME_CANVAS_ITEM (object); - text = E_TEXT (object); - - color_changed = FALSE; - have_pixel = FALSE; - - switch (prop_id) { - case PROP_MODEL: - - if ( text->model_changed_signal_id ) - g_signal_handler_disconnect (text->model, - text->model_changed_signal_id); - - if ( text->model_repos_signal_id ) - g_signal_handler_disconnect (text->model, - text->model_repos_signal_id); - - g_object_unref (text->model); - text->model = E_TEXT_MODEL (g_value_get_object (value)); - g_object_ref (text->model); - - text->model_changed_signal_id = - g_signal_connect (text->model, - "changed", - G_CALLBACK (e_text_text_model_changed), - text); - - text->model_repos_signal_id = - g_signal_connect (text->model, - "reposition", - G_CALLBACK (e_text_text_model_reposition), - text); - - text->text = e_text_model_get_text(text->model); - g_signal_emit (text, e_text_signals[E_TEXT_CHANGED], 0); - - text->needs_split_into_lines = 1; - needs_reflow = 1; - break; - - case PROP_EVENT_PROCESSOR: - if ( text->tep && text->tep_command_id ) - g_signal_handler_disconnect(text->tep, - text->tep_command_id); - if ( text->tep ) { - g_object_unref(text->tep); - } - text->tep = E_TEXT_EVENT_PROCESSOR(g_value_get_object (value)); - g_object_ref(text->tep); - text->tep_command_id = - g_signal_connect(text->tep, - "command", - G_CALLBACK(e_text_command), - text); - if (!text->allow_newlines) - g_object_set (text->tep, - "allow_newlines", FALSE, - NULL); - break; - - case PROP_TEXT: - e_text_model_set_text(text->model, g_value_get_string (value)); - break; - - case PROP_BOLD: - text->bold = g_value_get_boolean (value); - - text->needs_redraw = 1; - text->needs_recalc_bounds = 1; - if ( text->line_wrap ) - text->needs_split_into_lines = 1; - else { - text->needs_calc_height = 1; - } - needs_update = 1; - needs_reflow = 1; - break; - - case PROP_STRIKEOUT: - text->strikeout = g_value_get_boolean (value); - text->needs_redraw = 1; - needs_update = 1; - break; - - case PROP_ANCHOR: - text->anchor = g_value_get_enum (value); - text->needs_recalc_bounds = 1; - needs_update = 1; - break; - - case PROP_JUSTIFICATION: - text->justification = g_value_get_enum (value); - text->needs_redraw = 1; - needs_update = 1; - break; - - case PROP_CLIP_WIDTH: - text->clip_width = fabs (g_value_get_double (value)); - calc_ellipsis (text); - if ( text->line_wrap ) - text->needs_split_into_lines = 1; - else { - text->needs_calc_height = 1; - } - needs_reflow = 1; - break; - - case PROP_CLIP_HEIGHT: - text->clip_height = fabs (g_value_get_double (value)); - text->needs_recalc_bounds = 1; - /* toshok: kind of a hack - set needs_reset_layout - here so when something about the style/them - changes, we redraw the text at the proper size/with - the proper font. */ - text->needs_reset_layout = 1; - needs_reflow = 1; - break; - - case PROP_CLIP: - text->clip = g_value_get_boolean (value); - calc_ellipsis (text); - if ( text->line_wrap ) - text->needs_split_into_lines = 1; - else { - text->needs_calc_height = 1; - } - needs_reflow = 1; - break; - - case PROP_FILL_CLIP_RECTANGLE: - text->fill_clip_rectangle = g_value_get_boolean (value); - needs_update = 1; - break; - - case PROP_X_OFFSET: - text->xofs = g_value_get_double (value); - text->needs_recalc_bounds = 1; - needs_update = 1; - break; - - case PROP_Y_OFFSET: - text->yofs = g_value_get_double (value); - text->needs_recalc_bounds = 1; - needs_update = 1; - break; - - case PROP_FILL_COLOR: - if (g_value_get_string (value)) - gdk_color_parse (g_value_get_string (value), &color); - - text->rgba = ((color.red & 0xff00) << 16 | - (color.green & 0xff00) << 8 | - (color.blue & 0xff00) | - 0xff); - color_changed = TRUE; - break; - - case PROP_FILL_COLOR_GDK: - pcolor = g_value_get_boxed (value); - if (pcolor) { - color = *pcolor; - } - - text->rgba = ((color.red & 0xff00) << 16 | - (color.green & 0xff00) << 8 | - (color.blue & 0xff00) | - 0xff); - color_changed = TRUE; - break; - - case PROP_FILL_COLOR_RGBA: - text->rgba = g_value_get_uint (value); - color.red = ((text->rgba >> 24) & 0xff) * 0x101; - color.green = ((text->rgba >> 16) & 0xff) * 0x101; - color.blue = ((text->rgba >> 8) & 0xff) * 0x101; - color_changed = TRUE; - break; - - case PROP_FILL_STIPPLE: - set_stipple (text, g_value_get_object (value), FALSE); - text->needs_redraw = 1; - needs_update = 1; - break; - - case PROP_EDITABLE: - text->editable = g_value_get_boolean (value); - text->needs_redraw = 1; - needs_update = 1; - break; - - case PROP_USE_ELLIPSIS: - text->use_ellipsis = g_value_get_boolean (value); - needs_reflow = 1; - break; - - case PROP_ELLIPSIS: - if (text->ellipsis) - g_free (text->ellipsis); - - text->ellipsis = g_strdup (g_value_get_string (value)); - calc_ellipsis (text); - needs_reflow = 1; - break; - - case PROP_LINE_WRAP: - text->line_wrap = g_value_get_boolean (value); - if (text->line_wrap) { - if (text->layout) { - pango_layout_set_width (text->layout, text->width < 0 ? -1 : text->width * PANGO_SCALE); - } - } - text->needs_split_into_lines = 1; - needs_reflow = 1; - break; - - case PROP_BREAK_CHARACTERS: - if ( text->break_characters ) { - g_free(text->break_characters); - text->break_characters = NULL; - } - if ( g_value_get_string (value) ) - text->break_characters = g_strdup( g_value_get_string (value) ); - text->needs_split_into_lines = 1; - needs_reflow = 1; - break; - - case PROP_MAX_LINES: - text->max_lines = g_value_get_int (value); - text->needs_split_into_lines = 1; - needs_reflow = 1; - break; - - case PROP_WIDTH: - text->clip_width = fabs (g_value_get_double (value)); - calc_ellipsis (text); - if ( text->line_wrap ) { - if (text->layout) { - pango_layout_set_width (text->layout, text->width < 0 ? -1 : text->width * PANGO_SCALE); - } - text->needs_split_into_lines = 1; - } - else { - text->needs_calc_height = 1; - } - needs_reflow = 1; - break; - - case PROP_DRAW_BORDERS: - if (text->draw_borders != g_value_get_boolean (value)) { - text->draw_borders = g_value_get_boolean (value); - text->needs_calc_height = 1; - text->needs_redraw = 1; - needs_reflow = 1; - needs_update = 1; - } - break; - - case PROP_DRAW_BACKGROUND: - if (text->draw_background != g_value_get_boolean (value)) { - text->draw_background = g_value_get_boolean (value); - text->needs_redraw = 1; - } - break; - - case PROP_DRAW_BUTTON: - if (text->draw_button != g_value_get_boolean (value)) { - text->draw_button = g_value_get_boolean (value); - text->needs_redraw = 1; - } - break; - - case PROP_ALLOW_NEWLINES: - text->allow_newlines = g_value_get_boolean (value); - _get_tep(text); - g_object_set (text->tep, - "allow_newlines", g_value_get_boolean (value), - NULL); - break; - - case PROP_CURSOR_POS: { - ETextEventProcessorCommand command; - - command.action = E_TEP_MOVE; - command.position = E_TEP_VALUE; - command.value = g_value_get_int (value); - command.time = GDK_CURRENT_TIME; - e_text_command (text->tep, &command, text); - break; - } - - case PROP_IM_CONTEXT: - if (text->im_context) - g_object_unref (text->im_context); - - text->im_context = g_value_get_object (value); - if (text->im_context) - g_object_ref (text->im_context); - - text->need_im_reset = FALSE; - break; - - case PROP_HANDLE_POPUP: - text->handle_popup = g_value_get_boolean (value); - break; - - default: - return; - } - - if (color_changed) { - GdkColormap *colormap = gtk_widget_get_colormap (GTK_WIDGET (item->canvas)); - - text->color = color; - gdk_rgb_find_color (colormap, &text->color); - - if (!item->canvas->aa) - set_text_gc_foreground (text); - - text->needs_redraw = 1; - needs_update = 1; - } - - if ( needs_reflow ) - e_canvas_item_request_reflow (item); - if ( needs_update ) - gnome_canvas_item_request_update (item); -} - -/* Get_arg handler for the text item */ -static void -e_text_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - EText *text; - - text = E_TEXT (object); - - switch (prop_id) { - case PROP_MODEL: - g_value_set_object (value, text->model); - break; - - case PROP_EVENT_PROCESSOR: - _get_tep(text); - g_value_set_object (value, text->tep); - break; - - case PROP_TEXT: - g_value_set_string (value, g_strdup (text->text)); - break; - - case PROP_BOLD: - g_value_set_boolean (value, text->bold); - break; - - case PROP_STRIKEOUT: - g_value_set_boolean (value, text->strikeout); - break; - - case PROP_ANCHOR: - g_value_set_enum (value, text->anchor); - break; - - case PROP_JUSTIFICATION: - g_value_set_enum (value, text->justification); - break; - - case PROP_CLIP_WIDTH: - g_value_set_double (value, text->clip_width); - break; - - case PROP_CLIP_HEIGHT: - g_value_set_double (value, text->clip_height); - break; - - case PROP_CLIP: - g_value_set_boolean (value, text->clip); - break; - - case PROP_FILL_CLIP_RECTANGLE: - g_value_set_boolean (value, text->fill_clip_rectangle); - break; - - case PROP_X_OFFSET: - g_value_set_double (value, text->xofs); - break; - - case PROP_Y_OFFSET: - g_value_set_double (value, text->yofs); - break; - - case PROP_FILL_COLOR_GDK: - g_value_set_boxed (value, &text->color); - break; - - case PROP_FILL_COLOR_RGBA: - g_value_set_uint (value, text->rgba); - break; - - case PROP_FILL_STIPPLE: - g_value_set_object (value, text->stipple); - break; - - case PROP_TEXT_WIDTH: - g_value_set_double (value, text->width / text->item.canvas->pixels_per_unit); - break; - - case PROP_TEXT_HEIGHT: - g_value_set_double (value, text->height / text->item.canvas->pixels_per_unit); - break; - - case PROP_EDITABLE: - g_value_set_boolean (value, text->editable); - break; - - case PROP_USE_ELLIPSIS: - g_value_set_boolean (value, text->use_ellipsis); - break; - - case PROP_ELLIPSIS: - g_value_set_string (value, g_strdup (text->ellipsis)); - break; - - case PROP_LINE_WRAP: - g_value_set_boolean (value, text->line_wrap); - break; - - case PROP_BREAK_CHARACTERS: - g_value_set_string (value, g_strdup (text->break_characters)); - break; - - case PROP_MAX_LINES: - g_value_set_int (value, text->max_lines); - break; - - case PROP_WIDTH: - g_value_set_double (value, text->clip_width); - break; - - case PROP_HEIGHT: - g_value_set_double (value, text->clip && text->clip_height != -1 ? text->clip_height : text->height / text->item.canvas->pixels_per_unit); - break; - - case PROP_DRAW_BORDERS: - g_value_set_boolean (value, text->draw_borders); - break; - - case PROP_DRAW_BACKGROUND: - g_value_set_boolean (value, text->draw_background); - break; - - case PROP_DRAW_BUTTON: - g_value_set_boolean (value, text->draw_button); - break; - - case PROP_ALLOW_NEWLINES: - g_value_set_boolean (value, text->allow_newlines); - break; - - case PROP_CURSOR_POS: - g_value_set_int (value, text->selection_start); - break; - - case PROP_IM_CONTEXT: - g_value_set_object (value, text->im_context); - break; - - case PROP_HANDLE_POPUP: - g_value_set_boolean (value, text->handle_popup); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -/* Update handler for the text item */ -static void -e_text_reflow (GnomeCanvasItem *item, int flags) -{ - EText *text; - - text = E_TEXT (item); - - if (text->needs_reset_layout) { - reset_layout (text); - text->needs_reset_layout = 0; - text->needs_calc_height = 1; - } - - if (text->needs_split_into_lines) { - split_into_lines (text); - - text->needs_split_into_lines = 0; - text->needs_calc_height = 1; - } - - if ( text->needs_calc_height ) { - calc_height (text); - gnome_canvas_item_request_update(item); - text->needs_calc_height = 0; - text->needs_recalc_bounds = 1; - } -} - -/* Update handler for the text item */ -static void -e_text_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags) -{ - EText *text; - double x1, y1, x2, y2; - - text = E_TEXT (item); - - if (parent_class->update) - (* parent_class->update) (item, affine, clip_path, flags); - - if ( text->needs_recalc_bounds - || (flags & GNOME_CANVAS_UPDATE_AFFINE)) { - if (!item->canvas->aa) { - set_text_gc_foreground (text); - set_stipple (text, text->stipple, TRUE); - get_bounds (text, &x1, &y1, &x2, &y2); - if ( item->x1 != x1 || - item->x2 != x2 || - item->y1 != y1 || - item->y2 != y2 ) { - gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); - item->x1 = x1; - item->y1 = y1; - item->x2 = x2; - item->y2 = y2; - text->needs_redraw = 1; - item->canvas->need_repick = TRUE; - } - if (!text->fill_clip_rectangle) - item->canvas->need_repick = TRUE; - } - text->needs_recalc_bounds = 0; - } - if ( text->needs_redraw ) { - gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); - text->needs_redraw = 0; - } -} - -/* Realize handler for the text item */ -static void -e_text_realize (GnomeCanvasItem *item) -{ - EText *text; - - text = E_TEXT (item); - - if (parent_class->realize) - (* parent_class->realize) (item); - - create_layout (text); - - text->gc = gdk_gc_new (item->canvas->layout.bin_window); -#ifndef NO_WARNINGS -#warning Color brokenness ... -#endif -#if 0 - gdk_color_context_query_color (item->canvas->cc, &text->color); - gdk_gc_set_foreground (text->gc, &text->color); -#endif - - text->i_cursor = gdk_cursor_new (GDK_XTERM); - text->default_cursor = gdk_cursor_new (GDK_LEFT_PTR); -} - -/* Unrealize handler for the text item */ -static void -e_text_unrealize (GnomeCanvasItem *item) -{ - EText *text; - - text = E_TEXT (item); - - gdk_gc_unref (text->gc); - text->gc = NULL; - - gdk_cursor_destroy (text->i_cursor); - text->i_cursor = NULL; - gdk_cursor_destroy (text->default_cursor); - text->default_cursor = NULL; - - if (parent_class->unrealize) - (* parent_class->unrealize) (item); -} - -static void -_get_tep(EText *text) -{ - if (!text->tep) { - text->tep = e_text_event_processor_emacs_like_new(); - text->tep_command_id = - g_signal_connect(text->tep, - "command", - G_CALLBACK(e_text_command), - text); - } -} - -static void -draw_pango_rectangle (GdkDrawable *drawable, GdkGC *gc, int x1, int y1, PangoRectangle rect) -{ - int width = rect.width / PANGO_SCALE; - int height = rect.height / PANGO_SCALE; - if (width <= 0) - width = 1; - if (height <= 0) - height = 1; - gdk_draw_rectangle (drawable, gc, TRUE, - x1 + rect.x / PANGO_SCALE, y1 + rect.y / PANGO_SCALE, width, height); -} - -static gboolean -show_pango_rectangle (EText *text, PangoRectangle rect) -{ - int x1 = rect.x / PANGO_SCALE; - int x2 = (rect.x + rect.width) / PANGO_SCALE; - - int y1 = rect.y / PANGO_SCALE; - int y2 = (rect.y + rect.height) / PANGO_SCALE; - - int new_xofs_edit = text->xofs_edit; - int new_yofs_edit = text->yofs_edit; - - int clip_width, clip_height; - - clip_width = text->clip_width; - if (clip_width >= 0 && text->draw_borders) { - clip_width -= 6; - if (clip_width < 0) - clip_width = 0; - } - - clip_height = text->clip_height; - - if (clip_height >= 0 && text->draw_borders) { - clip_height -= 6; - if (clip_height < 0) - clip_height = 0; - } - - if (x1 < new_xofs_edit) - new_xofs_edit = x1; - - if (y1 < new_yofs_edit) - new_yofs_edit = y1; - - if (clip_width >= 0) { - if (2 + x2 - clip_width > new_xofs_edit) - new_xofs_edit = 2 + x2 - clip_width; - } else { - new_xofs_edit = 0; - } - - if (clip_height >= 0) { - if (y2 - clip_height > new_yofs_edit) - new_yofs_edit = y2 - clip_height; - } else { - new_yofs_edit = 0; - } - - if (new_xofs_edit < 0) - new_xofs_edit = 0; - if (new_yofs_edit < 0) - new_yofs_edit = 0; - - if (new_xofs_edit != text->xofs_edit || - new_yofs_edit != text->yofs_edit) { - text->xofs_edit = new_xofs_edit; - text->yofs_edit = new_yofs_edit; - return TRUE; - } - - return FALSE; -} - -/* Draw handler for the text item */ -static void -e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable, - int x, int y, int width, int height) -{ - EText *text; - GdkRectangle rect, *clip_rect; - int xpos, ypos; - GdkGC *main_gc; - GnomeCanvas *canvas; - GtkWidget *widget; - - text = E_TEXT (item); - canvas = GNOME_CANVAS_ITEM(text)->canvas; - widget = GTK_WIDGET(canvas); - - if (text->draw_background || text->draw_button) { - main_gc = widget->style->fg_gc[GTK_WIDGET_STATE (widget)]; - } else { - main_gc = text->gc; - } - - if (text->draw_borders || text->draw_background) { - gdouble thisx = item->x1 - x; - gdouble thisy = item->y1 - y; - gdouble thiswidth, thisheight; - GtkWidget *widget = GTK_WIDGET(item->canvas); - - g_object_get(text, - "width", &thiswidth, - "height", &thisheight, - NULL); - - if (text->draw_borders){ - - gtk_paint_shadow (widget->style, drawable, - GTK_STATE_NORMAL, GTK_SHADOW_IN, - NULL, widget, "entry", - thisx, thisy, thiswidth, thisheight); - - } - - if (text->draw_background) { - gtk_paint_flat_box (widget->style, drawable, - GTK_WIDGET_STATE(widget), GTK_SHADOW_NONE, - NULL, widget, "entry_bg", - thisx + widget->style->xthickness, - thisy + widget->style->ythickness, - thiswidth - widget->style->xthickness * 2, - thisheight - widget->style->ythickness * 2); - } - } - if (text->draw_button) { - GtkWidget *widget; - int xoff = item->x1 - x; - int yoff = item->y1 - y; - - widget = GTK_WIDGET (item->canvas); - - xoff -= widget->allocation.x; - yoff -= widget->allocation.y; - - widget = widget->parent; - - while (widget && !GTK_IS_BUTTON(widget)) { - if (!GTK_WIDGET_NO_WINDOW (widget)) { - widget = NULL; - break; - } - widget = widget->parent; - } - if (widget) { - GtkButton *button = GTK_BUTTON (widget); - GtkShadowType shadow_type; - int thisx, thisy, thisheight, thiswidth; - int default_spacing; - GdkRectangle area; - area.x = 0; - area.y = 0; - area.width = width; - area.height = height; - -#define DEFAULT_SPACING 7 -#if 0 - default_spacing = gtk_style_get_prop_experimental (widget->style, - "GtkButton::default_spacing", - DEFAULT_SPACING); -#endif - default_spacing = 7; - - thisx = 0; - thisy = 0; - thiswidth = widget->allocation.width - GTK_CONTAINER (widget)->border_width * 2; - thisheight = widget->allocation.height - GTK_CONTAINER (widget)->border_width * 2; - - if (GTK_WIDGET_HAS_DEFAULT (widget) && - GTK_BUTTON (widget)->relief == GTK_RELIEF_NORMAL) - { - gtk_paint_box (widget->style, drawable, - GTK_STATE_NORMAL, GTK_SHADOW_IN, - &area, widget, "buttondefault", - thisx + xoff, thisy + yoff, thiswidth, thisheight); - } - - if (GTK_WIDGET_CAN_DEFAULT (widget)) { - thisx += widget->style->xthickness; - thisy += widget->style->ythickness; - thiswidth -= 2 * thisx + default_spacing; - thisheight -= 2 * thisy + default_spacing; - thisx += (1 + default_spacing) / 2; - thisy += (1 + default_spacing) / 2; - } - - if (GTK_WIDGET_HAS_FOCUS (widget)) { - thisx += 1; - thisy += 1; - thiswidth -= 2; - thisheight -= 2; - } - - if (GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE) - shadow_type = GTK_SHADOW_IN; - else - shadow_type = GTK_SHADOW_OUT; - - if ((button->relief != GTK_RELIEF_NONE) || - ((GTK_WIDGET_STATE(widget) != GTK_STATE_NORMAL) && - (GTK_WIDGET_STATE(widget) != GTK_STATE_INSENSITIVE))) - gtk_paint_box (widget->style, drawable, - GTK_WIDGET_STATE (widget), - shadow_type, &area, widget, "button", - thisx + xoff, thisy + yoff, thiswidth, thisheight); - - if (GTK_WIDGET_HAS_FOCUS (widget)) { - thisx -= 1; - thisy -= 1; - thiswidth += 2; - thisheight += 2; - - gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget), - &area, widget, "button", - thisx + xoff, thisy + yoff, thiswidth - 1, thisheight - 1); - } - } - } - - - insert_preedit_text (text); - - if (!pango_layout_get_text (text->layout)) - return; - - if (text->stipple) - gnome_canvas_set_stipple_origin (item->canvas, main_gc); - - xpos = text->text_cx; - ypos = text->text_cy; - - xpos -= x; - ypos -= y; - - clip_rect = NULL; - if (text->clip) { - rect.x = xpos; - rect.y = ypos; - rect.width = text->clip_cwidth; - rect.height = text->clip_cheight; - - gdk_gc_set_clip_rectangle (main_gc, &rect); - clip_rect = ▭ - } - - if (text->editing) { - xpos -= text->xofs_edit; - ypos -= text->yofs_edit; - } - - gdk_draw_layout (drawable, main_gc, - xpos, ypos, - text->layout); - - if (text->editing) { - if (text->selection_start != text->selection_end) { - PangoLayoutIter *iter; - GdkRegion *clip_region = gdk_region_new (); - GdkGC *selection_gc; - GdkGC *text_gc; - int start_index, end_index; - - start_index = MIN (text->selection_start, text->selection_end); - end_index = MAX (text->selection_start, text->selection_end); - - /* convert these into byte indices */ - start_index = g_utf8_offset_to_pointer(text->text, start_index) - text->text; - end_index = g_utf8_offset_to_pointer(text->text, end_index) - text->text; - - if (text->has_selection) { - selection_gc = widget->style->base_gc [GTK_STATE_SELECTED]; - text_gc = widget->style->text_gc[GTK_STATE_SELECTED]; - } else { - selection_gc = widget->style->base_gc [GTK_STATE_ACTIVE]; - text_gc = widget->style->text_gc[GTK_STATE_ACTIVE]; - } - - gdk_gc_set_clip_rectangle (selection_gc, clip_rect); - - iter = pango_layout_get_iter (text->layout); - - do { - PangoLayoutLine *line = pango_layout_iter_get_line (iter); - gint n_ranges, i; - gint *ranges; - int y0, y1; - int s, e; - - if (start_index < line->start_index + line->length - && end_index > line->start_index) { - - if (start_index <= line->start_index) - s = line->start_index; - else - s = start_index; - - if (end_index > line->start_index + line->length) - e = line->start_index + line->length; - else - e = end_index; - - pango_layout_line_get_x_ranges (line, s, e, &ranges, &n_ranges); - - pango_layout_iter_get_line_yrange (iter, &y0, &y1); - - for (i=0; i < n_ranges; i++) { - GdkRectangle sel_rect; - - sel_rect.x = xpos + PANGO_PIXELS (ranges[2*i]); - sel_rect.y = ypos + PANGO_PIXELS (y0); - sel_rect.width = (ranges[2*i + 1] - ranges[2*i]) / PANGO_SCALE; - sel_rect.height = (y1 - y0 + PANGO_SCALE / 2) / PANGO_SCALE; - - gdk_draw_rectangle (drawable, selection_gc, TRUE, - sel_rect.x, sel_rect.y, sel_rect.width, sel_rect.height); - - gdk_region_union_with_rect (clip_region, &sel_rect); - } - g_free (ranges); - } - } while (pango_layout_iter_next_line (iter)); - - pango_layout_iter_free (iter); - - if (clip_rect) { - GdkRegion *rect_region = gdk_region_rectangle (clip_rect); - gdk_region_intersect (clip_region, rect_region); - gdk_region_destroy (rect_region); - } - - gdk_gc_set_clip_region (text_gc, clip_region); - gdk_draw_layout (drawable, text_gc, - xpos, ypos, - text->layout); - - gdk_gc_set_clip_region (text_gc, NULL); - gdk_gc_set_clip_region (selection_gc, NULL); - - gdk_region_destroy (clip_region); - } else { - if (text->show_cursor) { - PangoRectangle strong_pos, weak_pos; - char *offs = g_utf8_offset_to_pointer (text->text, text->selection_start); - - pango_layout_get_cursor_pos (text->layout, offs - text->text + text->preedit_len, &strong_pos, &weak_pos); - draw_pango_rectangle (drawable, main_gc, xpos, ypos, strong_pos); - if (strong_pos.x != weak_pos.x || - strong_pos.y != weak_pos.y || - strong_pos.width != weak_pos.width || - strong_pos.height != weak_pos.height) - draw_pango_rectangle (drawable, main_gc, xpos, ypos, weak_pos); - } - } - } - - - if (text->clip) { - gdk_gc_set_clip_rectangle (main_gc, NULL); - } -} - -/* Point handler for the text item */ -static double -e_text_point (GnomeCanvasItem *item, double x, double y, - int cx, int cy, GnomeCanvasItem **actual_item) -{ - EText *text; - double clip_width; - double clip_height; - - text = E_TEXT (item); - - *actual_item = item; - - /* The idea is to build bounding rectangles for each of the lines of - * text (clipped by the clipping rectangle, if it is activated) and see - * whether the point is inside any of these. If it is, we are done. - * Otherwise, calculate the distance to the nearest rectangle. - */ - - if (text->clip_width < 0) - clip_width = text->width; - else - clip_width = text->clip_width; - - if ( text->clip_height < 0 ) - clip_height = text->height; - else - clip_height = text->clip_height; - - /* Get canvas pixel coordinates for clip rectangle position */ - clip_width = clip_width * item->canvas->pixels_per_unit; - clip_height = clip_height * item->canvas->pixels_per_unit; - - if (cx < text->clip_cx || - cx > text->clip_cx + clip_width || - cy < text->clip_cy || - cy > text->clip_cy + clip_height) - return 1; - - if (text->fill_clip_rectangle) - return 0; - - cx -= text->cx; - - if (pango_layout_xy_to_index (text->layout, cx, cy, NULL, NULL)) - return 0; - - return 1; -} - -/* Bounds handler for the text item */ -static void -e_text_bounds (GnomeCanvasItem *item, double *x1, double *y1, double *x2, double *y2) -{ - EText *text; - double width, height; - - text = E_TEXT (item); - - *x1 = 0; - *y1 = 0; - - width = text->width; - height = text->height; - - if (text->clip) { - if (text->clip_width >= 0) - width = text->clip_width; - if ( text->clip_height >= 0 ) - height = text->clip_height; - } - - width = width / item->canvas->pixels_per_unit; - height = height / item->canvas->pixels_per_unit; - - switch (text->anchor) { - case GTK_ANCHOR_NW: - case GTK_ANCHOR_W: - case GTK_ANCHOR_SW: - break; - - case GTK_ANCHOR_N: - case GTK_ANCHOR_CENTER: - case GTK_ANCHOR_S: - *x1 -= width / 2.0; - break; - - case GTK_ANCHOR_NE: - case GTK_ANCHOR_E: - case GTK_ANCHOR_SE: - *x1 -= width; - break; - } - - switch (text->anchor) { - case GTK_ANCHOR_NW: - case GTK_ANCHOR_N: - case GTK_ANCHOR_NE: - break; - - case GTK_ANCHOR_W: - case GTK_ANCHOR_CENTER: - case GTK_ANCHOR_E: - *y1 -= height / 2.0; - break; - - case GTK_ANCHOR_SW: - case GTK_ANCHOR_S: - case GTK_ANCHOR_SE: - *y1 -= height; - break; - } - - *x2 = *x1 + width; - *y2 = *y1 + height; -} - -static gint -get_position_from_xy (EText *text, gint x, gint y) -{ - int index; - int trailing; - - if (text->draw_borders) { - x -= BORDER_INDENT; - y -= BORDER_INDENT; - } - - x -= text->xofs; - y -= text->yofs; - - if (text->editing) { - x += text->xofs_edit; - y += text->yofs_edit; - } - - x -= text->cx; - y -= text->cy; - - pango_layout_xy_to_index (text->layout, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing); - - return g_utf8_pointer_to_offset (text->text, text->text + index + trailing); -} - -#define SCROLL_WAIT_TIME 30000 - -static gboolean -_blink_scroll_timeout (gpointer data) -{ - EText *text = E_TEXT(data); - gulong current_time; - gboolean scroll = FALSE; - gboolean redraw = FALSE; - - g_timer_elapsed(text->timer, ¤t_time); - - if (text->scroll_start + SCROLL_WAIT_TIME > 1000000) { - if (current_time > text->scroll_start - (1000000 - SCROLL_WAIT_TIME) && - current_time < text->scroll_start) - scroll = TRUE; - } else { - if (current_time > text->scroll_start + SCROLL_WAIT_TIME || - current_time < text->scroll_start) - scroll = TRUE; - } - if (scroll && text->button_down && text->clip) { - int old_xofs_edit = text->xofs_edit; - int old_yofs_edit = text->yofs_edit; - - if (text->clip_cwidth >= 0 && - text->lastx - text->clip_cx > text->clip_cwidth && - text->xofs_edit < text->width - text->clip_cwidth) { - text->xofs_edit += 4; - if (text->xofs_edit > text->width - text->clip_cwidth + 1) - text->xofs_edit = text->width - text->clip_cwidth + 1; - } - if (text->lastx - text->clip_cx < 0 && - text->xofs_edit > 0) { - text->xofs_edit -= 4; - if (text->xofs_edit < 0) - text->xofs_edit = 0; - } - - if (text->clip_cheight >= 0 && - text->lasty - text->clip_cy > text->clip_cheight && - text->yofs_edit < text->height - text->clip_cheight) { - text->yofs_edit += 4; - if (text->yofs_edit > text->height - text->clip_cheight + 1) - text->yofs_edit = text->height - text->clip_cheight + 1; - } - if (text->lasty - text->clip_cy < 0 && - text->yofs_edit > 0) { - text->yofs_edit -= 4; - if (text->yofs_edit < 0) - text->yofs_edit = 0; - } - - if (old_xofs_edit != text->xofs_edit || - old_yofs_edit != text->yofs_edit) { - ETextEventProcessorEvent e_tep_event; - e_tep_event.type = GDK_MOTION_NOTIFY; - e_tep_event.motion.state = text->last_state; - e_tep_event.motion.time = 0; - e_tep_event.motion.position = get_position_from_xy(text, text->lastx, text->lasty); - _get_tep(text); - e_text_event_processor_handle_event (text->tep, - &e_tep_event); - text->scroll_start = current_time; - redraw = TRUE; - } - } - - if (!((current_time / 500000) % 2)) { - if (!text->show_cursor) - redraw = TRUE; - text->show_cursor = TRUE; - } else { - if (text->show_cursor) - redraw = TRUE; - text->show_cursor = FALSE; - } - if (redraw) { - text->needs_redraw = 1; - gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text)); - } - return TRUE; -} - -static gboolean -tooltip_event(GtkWidget *tooltip, GdkEvent *event, EText *text) -{ - gint ret_val = FALSE; - - if (!text->model) - return FALSE; - - switch (event->type) { - case GDK_LEAVE_NOTIFY: - e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)); - break; - case GDK_BUTTON_PRESS: - case GDK_BUTTON_RELEASE: - if (event->type == GDK_BUTTON_RELEASE) { - e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)); - } - /* Forward events to the text item */ - g_signal_emit_by_name (text, "event", event, - &ret_val); - if (!ret_val) - gtk_propagate_event (GTK_WIDGET(GNOME_CANVAS_ITEM(text)->canvas), event); - ret_val = TRUE; - default: - break; - } - return ret_val; -} - -static void -tooltip_destroy(gpointer data, GObject *where_object_was) -{ - EText *text = data; - text->tooltip_owner = FALSE; - g_object_unref (text); -} - -static gboolean -_do_tooltip (gpointer data) -{ -#warning "need to sort out tooltip stuff." - EText *text = E_TEXT (data); - GtkWidget *canvas; - int i; - int max_width; - gboolean cut_off; - double i2c[6]; - ArtPoint origin = {0, 0}; - ArtPoint pixel_origin; - int canvas_x, canvas_y; - GnomeCanvasItem *tooltip_text; - double tooltip_width; - double tooltip_height; - double tooltip_x; - double tooltip_y; -#if 0 - double x1, x2, y1, y2; -#endif - GnomeCanvasItem *rect; - GtkWidget *tooltip_window; /* GtkWindow for displaying the tooltip */ - - text->tooltip_count = 0; - - if (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)->tooltip_window || text->editing || !text->num_lines) { - text->tooltip_timeout = 0; - return FALSE; - } - - cut_off = FALSE; - for ( i = 0; i < text->num_lines; i++ ) { - PangoLayoutLine *line = pango_layout_get_line (text->layout, i); - PangoRectangle rect; - - pango_layout_line_get_pixel_extents (line, &rect, NULL); - - if (rect.width > text->clip_width) { - cut_off = TRUE; - break; - } - } - if ( ! cut_off ) { - text->tooltip_timeout = 0; - return FALSE; - } - - gnome_canvas_item_i2c_affine(GNOME_CANVAS_ITEM(text), i2c); - art_affine_point (&pixel_origin, &origin, i2c); - - gdk_window_get_origin (GTK_WIDGET(GNOME_CANVAS_ITEM(text)->canvas)->window, &canvas_x, &canvas_y); - pixel_origin.x += canvas_x; - pixel_origin.y += canvas_y; - pixel_origin.x -= (int) gtk_layout_get_hadjustment(GTK_LAYOUT(GNOME_CANVAS_ITEM(text)->canvas))->value; - pixel_origin.y -= (int) gtk_layout_get_vadjustment(GTK_LAYOUT(GNOME_CANVAS_ITEM(text)->canvas))->value; - - tooltip_window = gtk_window_new (GTK_WINDOW_POPUP); - gtk_container_set_border_width (GTK_CONTAINER (tooltip_window), 1); - - canvas = e_canvas_new (); - - gtk_container_add (GTK_CONTAINER (tooltip_window), canvas); - - /* Get the longest line length */ - pango_layout_get_size (text->layout, &max_width, NULL); - - rect = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (canvas)), - gnome_canvas_rect_get_type (), - "x1", (double) 0, - "y1", (double) 0, - "x2", (double) max_width + 4, - "y2", (double) text->height + 4, - NULL); - - tooltip_text = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (canvas)), - e_text_get_type (), - "anchor", GTK_ANCHOR_NW, - "bold", text->bold, - "strikeout", text->strikeout, - "text", text->text, - "editable", FALSE, - "clip_width", text->max_lines != 1 ? text->clip_width : max_width, - "clip_height", text->max_lines != 1 ? -1 : (double)text->height, - "clip", TRUE, - "line_wrap", text->line_wrap, - "justification", text->justification, - NULL); - - - - if (text->draw_borders) - e_canvas_item_move_absolute(tooltip_text, 1 + BORDER_INDENT, 1 + BORDER_INDENT); - else - e_canvas_item_move_absolute(tooltip_text, 1, 1); - - create_layout (E_TEXT (tooltip_text)); - - split_into_lines (E_TEXT(tooltip_text)); - calc_height (E_TEXT(tooltip_text)); - - gnome_canvas_item_set (tooltip_text, - "clip_height", (double) E_TEXT(tooltip_text)->height, - "clip_width", (double) E_TEXT(tooltip_text)->width, - NULL); - - tooltip_width = E_TEXT(tooltip_text)->width; - tooltip_height = E_TEXT(tooltip_text)->height; - tooltip_x = 0; - tooltip_y = 0; - switch(E_TEXT(tooltip_text)->justification) { - case GTK_JUSTIFY_CENTER: - tooltip_x = - tooltip_width / 2; - break; - case GTK_JUSTIFY_RIGHT: - tooltip_x = tooltip_width / 2; - break; - case GTK_JUSTIFY_FILL: - case GTK_JUSTIFY_LEFT: - tooltip_x = 0; - break; - } - switch(text->anchor) { - case GTK_ANCHOR_NW: - case GTK_ANCHOR_N: - case GTK_ANCHOR_NE: - break; - - case GTK_ANCHOR_W: - case GTK_ANCHOR_CENTER: - case GTK_ANCHOR_E: - tooltip_y -= tooltip_height / 2.0; - break; - - case GTK_ANCHOR_SW: - case GTK_ANCHOR_S: - case GTK_ANCHOR_SE: - tooltip_y -= tooltip_height; - break; - } - switch(E_TEXT(tooltip_text)->anchor) { - case GTK_ANCHOR_NW: - case GTK_ANCHOR_W: - case GTK_ANCHOR_SW: - break; - - case GTK_ANCHOR_N: - case GTK_ANCHOR_CENTER: - case GTK_ANCHOR_S: - tooltip_x -= tooltip_width / 2.0; - break; - - case GTK_ANCHOR_NE: - case GTK_ANCHOR_E: - case GTK_ANCHOR_SE: - tooltip_x -= tooltip_width; - break; - } - - gnome_canvas_item_set(rect, - "x2", (double) tooltip_width + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0), - "y2", (double) tooltip_height + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0), - NULL); - - gtk_widget_show (canvas); - gtk_widget_realize (tooltip_window); - - gtk_widget_set_usize (tooltip_window, - tooltip_width + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0), - tooltip_height + 4 + (text->draw_borders ? BORDER_INDENT * 2 : 0)); - gnome_canvas_set_scroll_region (GNOME_CANVAS(canvas), 0.0, 0.0, - tooltip_width + (text->draw_borders ? BORDER_INDENT * 2 : 0), - (double)tooltip_height + (text->draw_borders ? BORDER_INDENT * 2 : 0)); - g_signal_connect (tooltip_window, "event", - G_CALLBACK(tooltip_event), text); - g_object_weak_ref (G_OBJECT (tooltip_window), - tooltip_destroy, text); - g_object_ref (text); - - e_canvas_popup_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas), - tooltip_window, - pixel_origin.x - 2 + tooltip_x, - pixel_origin.y - 2 + tooltip_y); - text->tooltip_owner = TRUE; - - text->tooltip_timeout = 0; - - return FALSE; -} - -static void -start_editing (EText *text) -{ - if (text->editing) - return; - - g_free (text->revert); - text->revert = g_strdup (text->text); - - text->editing = TRUE; - if (text->pointer_in) { - if (text->default_cursor_shown && (!text->draw_borders)) { - gdk_window_set_cursor (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas)->window, text->i_cursor); - text->default_cursor_shown = FALSE; - } - } - text->select_by_word = FALSE; - text->xofs_edit = 0; - text->yofs_edit = 0; - if (text->timeout_id == 0) - text->timeout_id = g_timeout_add(10, _blink_scroll_timeout, text); - text->timer = g_timer_new(); - g_timer_elapsed(text->timer, &(text->scroll_start)); - g_timer_start(text->timer); -} - -void -e_text_stop_editing (EText *text) -{ - if (!text->editing) - return; - - g_free (text->revert); - text->revert = NULL; - - text->editing = FALSE; - if ( (!text->default_cursor_shown) && (!text->draw_borders) ) { - gdk_window_set_cursor (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas)->window, text->default_cursor); - text->default_cursor_shown = TRUE; - } - if (text->timer) { - g_timer_stop(text->timer); - g_timer_destroy(text->timer); - text->timer = NULL; - } -} - -void -e_text_cancel_editing (EText *text) -{ - if (text->revert) - e_text_model_set_text(text->model, text->revert); - e_text_stop_editing (text); -} - -static gboolean -_click (gpointer data) -{ - *(gint *)data = 0; - return FALSE; -} - -static gint -e_text_event (GnomeCanvasItem *item, GdkEvent *event) -{ - EText *text = E_TEXT(item); - ETextEventProcessorEvent e_tep_event; - - static EText *save_text = NULL; - - gint return_val = 0; - - if (!text->model) - return FALSE; - - e_tep_event.type = event->type; - switch (event->type) { - case GDK_FOCUS_CHANGE: - if (text->editable) { - GdkEventFocus *focus_event; - focus_event = (GdkEventFocus *) event; - if (focus_event->in) { - - /* Evil hack to disconnect the signal handlers for the previous Etext - * which was not disconnected because of being in preedit mode. - * In preedit mode the widget can go out of focus due to popups associated - * with preedit.,but still the callbacks need to be connected. - * Here when a new text widget comes into focus we can disconnect the - * old one.Shouldn't hurt much, as in worst case, save_text which should - * be disconnected will be overwritten and we will have signal - * handlers connect to multiple e-texts but with subsequent commit these - * should go away. - */ - - if (save_text && save_text->im_context) { - g_signal_handlers_disconnect_matched (save_text->im_context, - G_SIGNAL_MATCH_DATA, - 0, 0, NULL, - NULL, save_text); - save_text->im_context_signals_registered = FALSE; - } - - if (text->im_context) { - if (!text->im_context_signals_registered) { - g_signal_connect (text->im_context, "commit", - G_CALLBACK (e_text_commit_cb), text); - g_signal_connect (text->im_context, "preedit_changed", - G_CALLBACK (e_text_preedit_changed_cb), text); - g_signal_connect (text->im_context, "retrieve_surrounding", - G_CALLBACK (e_text_retrieve_surrounding_cb), text); - g_signal_connect (text->im_context, "delete_surrounding", - G_CALLBACK (e_text_delete_surrounding_cb), text); - text->im_context_signals_registered = TRUE; - } - } - start_editing (text); - text->show_cursor = FALSE; /* so we'll redraw and the cursor will be shown */ - } else { - /* Incase we are not disconnecting the signals - * for text, we are saving text for - * disconnecting in the next focus_in. - */ - if (!text->preedit_len && text->im_context) { - g_signal_handlers_disconnect_matched (text->im_context, - G_SIGNAL_MATCH_DATA, - 0, 0, NULL, - NULL, text); - text->im_context_signals_registered = FALSE; - } else { - save_text = text; - } - - e_text_stop_editing (text); - if (text->timeout_id) { - g_source_remove(text->timeout_id); - text->timeout_id = 0; - } - if (text->show_cursor || text->draw_borders) { - text->show_cursor = FALSE; - text->needs_redraw = 1; - gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text)); - } - } - if ( text->line_wrap ) - text->needs_split_into_lines = 1; - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM(text)); - } - return_val = 0; - break; - case GDK_KEY_PRESS: - - /* Handle S-F10 key binding here. */ - - if (event->key.keyval == GDK_F10 - && (event->key.state & GDK_SHIFT_MASK) - && text->handle_popup ){ - - /* Simulate a GdkEventButton here, so that we can call e_text_do_popup directly */ - - GdkEventButton *button = (GdkEventButton *) gdk_event_new (GDK_BUTTON_PRESS); - button->time = event->key.time; - button->button = 0; - e_text_do_popup (text, button, 0); - return TRUE; - } - - /* Fall Through */ - - case GDK_KEY_RELEASE: - - if (text->editing) { - GdkEventKey key; - gint ret; - - if (text->im_context && gtk_im_context_filter_keypress (text->im_context, (GdkEventKey*)event)) { - text->need_im_reset = TRUE; - return 1; - } - - key = event->key; - e_tep_event.key.time = key.time; - e_tep_event.key.state = key.state; - e_tep_event.key.keyval = key.keyval; - - /* This is probably ugly hack, but we have to handle UTF-8 input somehow */ -#if 0 - e_tep_event.key.length = key.length; - e_tep_event.key.string = key.string; -#else - e_tep_event.key.string = e_utf8_from_gtk_event_key (GTK_WIDGET (item->canvas), key.keyval, key.string); - if (e_tep_event.key.string != NULL) { - e_tep_event.key.length = strlen (e_tep_event.key.string); - } else { - e_tep_event.key.length = 0; - } -#endif - _get_tep(text); - ret = e_text_event_processor_handle_event (text->tep, &e_tep_event); - - if (event->type == GDK_KEY_PRESS) - g_signal_emit (text, e_text_signals[E_TEXT_KEYPRESS], 0, - e_tep_event.key.keyval, e_tep_event.key.state); - - - if (e_tep_event.key.string) - g_free (e_tep_event.key.string); - - - return ret; - } - break; - case GDK_BUTTON_PRESS: /* Fall Through */ - case GDK_BUTTON_RELEASE: - if (text->tooltip_timeout) { - gtk_timeout_remove (text->tooltip_timeout); - text->tooltip_timeout = 0; - } - e_canvas_hide_tooltip (E_CANVAS(GNOME_CANVAS_ITEM(text)->canvas)); -#if 0 - if ((!text->editing) - && text->editable - && event->type == GDK_BUTTON_RELEASE - && event->button.button == 1) { - GdkEventButton button = event->button; - - e_canvas_item_grab_focus (item, TRUE); - - e_tep_event.type = GDK_BUTTON_RELEASE; - e_tep_event.button.time = button.time; - e_tep_event.button.state = button.state; - e_tep_event.button.button = button.button; - e_tep_event.button.position = get_position_from_xy(text, button.x, button.y); - _get_tep(text); - return_val = e_text_event_processor_handle_event (text->tep, - &e_tep_event); - e_tep_event.type = GDK_BUTTON_RELEASE; - } -#else - if ((!text->editing) - && text->editable - && (event->button.button == 1 || - event->button.button == 2)) { - e_canvas_item_grab_focus (item, TRUE); - start_editing (text); - } -#endif - - /* We follow convention and emit popup events on right-clicks. */ - if (event->type == GDK_BUTTON_PRESS && event->button.button == 3) { - if (text->handle_popup) { - e_text_do_popup (text, &(event->button), - get_position_from_xy (text, event->button.x, event->button.y)); - return TRUE; - } - else { - break; - } - } - - /* Create our own double and triple click events, - as gnome-canvas doesn't forward them to us */ - if (event->type == GDK_BUTTON_PRESS) { - if (text->dbl_timeout == 0 && - text->tpl_timeout == 0) { - text->dbl_timeout = gtk_timeout_add (200, - _click, - &(text->dbl_timeout)); - } else { - if (text->tpl_timeout == 0) { - e_tep_event.type = GDK_2BUTTON_PRESS; - text->tpl_timeout = gtk_timeout_add (200, _click, &(text->tpl_timeout)); - } else { - e_tep_event.type = GDK_3BUTTON_PRESS; - } - } - } - - if (text->editing) { - GdkEventButton button = event->button; - e_tep_event.button.time = button.time; - e_tep_event.button.state = button.state; - e_tep_event.button.button = button.button; - e_tep_event.button.position = get_position_from_xy(text, button.x, button.y); - _get_tep(text); - return_val = e_text_event_processor_handle_event (text->tep, - &e_tep_event); - if (event->button.button == 1) { - if (event->type == GDK_BUTTON_PRESS) - text->button_down = TRUE; - else - text->button_down = FALSE; - } - text->lastx = button.x; - text->lasty = button.y; - text->last_state = button.state; - } - break; - case GDK_MOTION_NOTIFY: - if (text->editing) { - GdkEventMotion motion = event->motion; - e_tep_event.motion.time = motion.time; - e_tep_event.motion.state = motion.state; - e_tep_event.motion.position = get_position_from_xy(text, motion.x, motion.y); - _get_tep(text); - return_val = e_text_event_processor_handle_event (text->tep, - &e_tep_event); - text->lastx = motion.x; - text->lasty = motion.y; - text->last_state = motion.state; - } - break; - case GDK_ENTER_NOTIFY: - { - if ( text->tooltip_count == 0 && text->clip) { - if (!text->tooltip_timeout) - text->tooltip_timeout = gtk_timeout_add (1000, _do_tooltip, text); - } - text->tooltip_count ++; - } - - text->pointer_in = TRUE; - if (text->editing || text->draw_borders) { - if ( text->default_cursor_shown ) { - gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, text->i_cursor); - text->default_cursor_shown = FALSE; - } - } - break; - case GDK_LEAVE_NOTIFY: - if (text->tooltip_count > 0) - text->tooltip_count --; - if ( text->tooltip_count == 0 && text->clip) { - if ( text->tooltip_timeout ) { - gtk_timeout_remove (text->tooltip_timeout); - text->tooltip_timeout = 0; - } - } - - text->pointer_in = FALSE; - if (text->editing || text->draw_borders) { - if ( ! text->default_cursor_shown ) { - gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, text->default_cursor); - text->default_cursor_shown = TRUE; - } - } - break; - default: - break; - } - if (return_val) - return return_val; - if (GNOME_CANVAS_ITEM_CLASS(parent_class)->event) - return GNOME_CANVAS_ITEM_CLASS(parent_class)->event(item, event); - else - return 0; -} - -void -e_text_copy_clipboard (EText *text) -{ - gint selection_start_pos; - gint selection_end_pos; - char *str; - - selection_start_pos = MIN (text->selection_start, text->selection_end); - selection_end_pos = MAX (text->selection_start, text->selection_end); - - /* convert sel_start/sel_end to byte indices */ - selection_start_pos = g_utf8_offset_to_pointer (text->text, selection_start_pos) - text->text; - selection_end_pos = g_utf8_offset_to_pointer (text->text, selection_end_pos) - text->text; - - str = g_strndup (text->text + selection_start_pos, - selection_end_pos - selection_start_pos); - - gtk_clipboard_set_text ( -#ifdef GTK_2_2 - gtk_widget_get_clipboard (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas), - GDK_SELECTION_CLIPBOARD), -#else - gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), -#endif - str, -1); - g_free (str); -} - -void -e_text_delete_selection(EText *text) -{ - int sel_start, sel_end; - - sel_start = MIN(text->selection_start, text->selection_end); - sel_end = MAX(text->selection_start, text->selection_end); - - if (sel_start != sel_end) - e_text_model_delete(text->model, sel_start, sel_end - sel_start); -} - -void -e_text_cut_clipboard (EText *text) -{ - e_text_copy_clipboard (text); - e_text_delete_selection (text); -} - -void -e_text_paste_clipboard (EText *text) -{ - ETextEventProcessorCommand command; - - command.action = E_TEP_PASTE; - command.position = E_TEP_SELECTION; - command.string = ""; - command.value = 0; - e_text_command(text->tep, &command, text); -} - -void -e_text_select_all (EText *text) -{ - ETextEventProcessorCommand command; - - command.action = E_TEP_SELECT; - command.position = E_TEP_SELECT_ALL; - command.string = ""; - command.value = 0; - e_text_command(text->tep, &command, text); -} - - -static void -primary_get_cb (GtkClipboard *clipboard, - GtkSelectionData *selection_data, - guint info, - gpointer data) -{ - EText *text = E_TEXT (data); - int sel_start, sel_end; - - sel_start = MIN(text->selection_start, text->selection_end); - sel_end = MAX(text->selection_start, text->selection_end); - - /* convert sel_start/sel_end to byte indices */ - sel_start = g_utf8_offset_to_pointer (text->text, sel_start) - text->text; - sel_end = g_utf8_offset_to_pointer (text->text, sel_end) - text->text; - - if (sel_start != sel_end) { - gchar *str = g_strndup (text->text + sel_start, - sel_end - sel_start); - gtk_selection_data_set_text (selection_data, str, -1); - g_free (str); - } -} - -static void -primary_clear_cb (GtkClipboard *clipboard, - gpointer data) -{ -#if notyet - /* XXX */ - gtk_editable_select_region (GTK_EDITABLE (entry), entry->current_pos, entry->current_pos); -#endif -} - -static void -e_text_update_primary_selection (EText *text) -{ - static const GtkTargetEntry targets[] = { - { "UTF8_STRING", 0, 0 }, - { "UTF-8", 0, 0 }, - { "STRING", 0, 0 }, - { "TEXT", 0, 0 }, - { "COMPOUND_TEXT", 0, 0 } - }; - GtkClipboard *clipboard; - -#ifdef GTK_2_2 - clipboard = gtk_widget_get_clipboard (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas), GDK_SELECTION_PRIMARY); -#else - clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY); -#endif - - if (text->selection_start != text->selection_end) { - if (!gtk_clipboard_set_with_owner (clipboard, targets, G_N_ELEMENTS (targets), - primary_get_cb, primary_clear_cb, G_OBJECT (text))) - primary_clear_cb (clipboard, text); - } - else { - if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (text)) - gtk_clipboard_clear (clipboard); - } -} - -static void -paste_received (GtkClipboard *clipboard, - const gchar *text, - gpointer data) -{ - EText *etext = E_TEXT (data); - - if (text && g_utf8_validate (text, strlen (text), NULL)) { - if (etext->selection_end != etext->selection_start) - e_text_delete_selection (etext); - - e_text_insert (etext, text); - } - - g_object_unref (etext); -} - -static void -e_text_paste (EText *text, GdkAtom selection) -{ - g_object_ref (text); - gtk_clipboard_request_text ( -#ifdef GTK_2_2 - - gtk_widget_get_clipboard (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas), - selection), -#else - gtk_clipboard_get (selection), -#endif - paste_received, text); -} - -typedef struct { - EText *text; - GdkEventButton *button; - int position; -} PopupClosure; - -static void -popup_menu_detach (GtkWidget *attach_widget, - GtkMenu *menu) -{ -} - -static void -popup_menu_placement_cb (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) -{ - EText *text = E_TEXT(user_data); - GnomeCanvasItem *item = &text->item; - GnomeCanvas *parent = item->canvas; - - if (parent){ - gdk_window_get_origin (((GtkWidget*) parent)->window, x, y); - *x += item->x1 + text->width / 2; - *y += item->y1 + text->height / 2; - } - - return; -} - -static void -popup_targets_received (GtkClipboard *clipboard, - GtkSelectionData *data, - gpointer user_data) -{ - PopupClosure *closure = user_data; - EText *text = closure->text; - GdkEventButton *button = closure->button; - int position = closure->position; - GtkWidget *popup_menu = gtk_menu_new (); - GtkWidget *menuitem, *submenu; - - g_free (closure); - - gtk_menu_attach_to_widget (GTK_MENU (popup_menu), - GTK_WIDGET(GNOME_CANVAS_ITEM (text)->canvas), - popup_menu_detach); - - /* cut menu item */ - menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_CUT, NULL); - gtk_widget_show (menuitem); - gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); - g_signal_connect_swapped (menuitem, "activate", - G_CALLBACK (e_text_cut_clipboard), text); - gtk_widget_set_sensitive (menuitem, text->editable && (text->selection_start != text->selection_end)); - - /* copy menu item */ - menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_COPY, NULL); - gtk_widget_show (menuitem); - gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); - g_signal_connect_swapped (menuitem, "activate", - G_CALLBACK (e_text_copy_clipboard), text); - gtk_widget_set_sensitive (menuitem, text->selection_start != text->selection_end); - - /* paste menu item */ - menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_PASTE, NULL); - gtk_widget_show (menuitem); - gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); - g_signal_connect_swapped (menuitem, "activate", - G_CALLBACK (e_text_paste_clipboard), text); - gtk_widget_set_sensitive (menuitem, text->editable && gtk_selection_data_targets_include_text (data)); - - menuitem = gtk_menu_item_new_with_label (_("Select All")); - gtk_widget_show (menuitem); - gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); - g_signal_connect_swapped (menuitem, "activate", - G_CALLBACK (e_text_select_all), text); - gtk_widget_set_sensitive (menuitem, strlen (text->text) > 0); - - menuitem = gtk_separator_menu_item_new (); - gtk_widget_show (menuitem); - gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); - - if (text->im_context && GTK_IS_IM_MULTICONTEXT (text->im_context)) { - menuitem = gtk_menu_item_new_with_label (_("Input Methods")); - gtk_widget_show (menuitem); - submenu = gtk_menu_new (); - gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu); - - gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), menuitem); - - gtk_im_multicontext_append_menuitems (GTK_IM_MULTICONTEXT (text->im_context), - GTK_MENU_SHELL (submenu)); - } - - g_signal_emit (text, - e_text_signals[E_TEXT_POPULATE_POPUP], - 0, - button, position, - popup_menu); - - /* If invoked by S-F10 key binding, button will be 0. */ - if (button->button == 0){ - gtk_menu_popup (GTK_MENU (popup_menu), NULL, NULL, - popup_menu_placement_cb, (gpointer)text, - button->button, GDK_CURRENT_TIME); - } else { - gtk_menu_popup (GTK_MENU (popup_menu), NULL, NULL, - NULL, NULL, - button->button, button->time); - } - - g_object_unref (text); - gdk_event_free ((GdkEvent *)button); -} - -static void -e_text_do_popup (EText *text, GdkEventButton *button, int position) -{ - PopupClosure *closure = g_new (PopupClosure, 1); - - closure->text = text; - g_object_ref (closure->text); - closure->button = (GdkEventButton *) gdk_event_copy ((GdkEvent *)button); - closure->position = position; - - gtk_clipboard_request_contents ( -#ifdef GTK_2_2 - - gtk_widget_get_clipboard (GTK_WIDGET (GNOME_CANVAS_ITEM (text)->canvas), - GDK_SELECTION_CLIPBOARD), -#else - gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), -#endif - gdk_atom_intern ("TARGETS", FALSE), - popup_targets_received, - closure); -} - -#if 0 -static void -e_text_reset_im_context (EText *text) -{ - if (text->need_im_reset) { - text->need_im_reset = 0; - gtk_im_context_reset (text->im_context); - } -} -#endif - -/* fixme: */ - -static int -next_word (EText *text, int start) -{ - char *p = g_utf8_offset_to_pointer (text->text, start); - int length; - - length = g_utf8_strlen (text->text, -1); - - if (start >= length) { - return length; - } else { - p = g_utf8_next_char (p); - start++; - - while (p && *p) { - gunichar unival = g_utf8_get_char (p); - if (g_unichar_isspace (unival)) { - return start + 1; - } - else { - p = g_utf8_next_char (p); - start++; - } - } - } - - return g_utf8_pointer_to_offset (text->text, p); -} - -static int -find_offset_into_line (EText *text, int offset_into_text, char **start_of_line) -{ - char *p; - - p = g_utf8_offset_to_pointer (text->text, offset_into_text); - - if (p == text->text) { - if (start_of_line) - *start_of_line = (char*)text->text; - return 0; - } - else { - p = g_utf8_find_prev_char (text->text, p); - - while (p && p > text->text) { - if (*p == '\n') { - if (start_of_line) - *start_of_line = p+1; - return offset_into_text - g_utf8_pointer_to_offset (text->text, p + 1); - } - p = g_utf8_find_prev_char (text->text, p); - } - - if (start_of_line) - *start_of_line = (char*)text->text; - return offset_into_text; - } -} - -static int -_get_position(EText *text, ETextEventProcessorCommand *command) -{ - int length, obj_num; - gunichar unival; - char *p = NULL; - gint new_pos = 0; - - switch (command->position) { - - case E_TEP_VALUE: - new_pos = command->value; - break; - - case E_TEP_SELECTION: - new_pos = text->selection_end; - break; - - case E_TEP_START_OF_BUFFER: - new_pos = 0; - break; - - case E_TEP_END_OF_BUFFER: - new_pos = strlen (text->text); - break; - - case E_TEP_START_OF_LINE: - - if (text->selection_end >= 1) { - - p = g_utf8_offset_to_pointer (text->text, text->selection_end); - if (p != text->text) { - p = g_utf8_find_prev_char (text->text, p); - while (p && p > text->text) { - if (*p == '\n') { - new_pos = g_utf8_pointer_to_offset (text->text, p) + 1; - break; - } - p = g_utf8_find_prev_char (text->text, p); - } - } - } - - break; - - case E_TEP_END_OF_LINE: - new_pos = -1; - length = g_utf8_strlen (text->text, -1); - - if (text->selection_end >= length) { - new_pos = length; - } else { - - p = g_utf8_offset_to_pointer (text->text, text->selection_end); - - while (p && *p) { - if (*p == '\n') { - new_pos = g_utf8_pointer_to_offset (text->text, p); - p = NULL; - } else - p = g_utf8_next_char (p); - } - } - - if (new_pos == -1) - new_pos = g_utf8_pointer_to_offset (text->text, p); - - break; - - case E_TEP_FORWARD_CHARACTER: - length = g_utf8_strlen (text->text, -1); - - if (text->selection_end >= length) - new_pos = length; - else - new_pos = text->selection_end + 1; - - break; - - case E_TEP_BACKWARD_CHARACTER: - new_pos = 0; - if (text->selection_end >= 1) { - new_pos = text->selection_end - 1; - } - - break; - - case E_TEP_FORWARD_WORD: - new_pos = next_word (text, text->selection_end); - break; - - case E_TEP_BACKWARD_WORD: - new_pos = 0; - if (text->selection_end >= 1) { - int pos = text->selection_end; - - p = g_utf8_find_prev_char (text->text, g_utf8_offset_to_pointer (text->text, text->selection_end)); - pos --; - - if (p != text->text) { - p = g_utf8_find_prev_char (text->text, p); - pos --; - - while (p && p > text->text) { - unival = g_utf8_get_char (p); - if (g_unichar_isspace (unival)) { - new_pos = pos + 1; - p = NULL; - } - else { - p = g_utf8_find_prev_char (text->text, p); - pos --; - } - } - } - } - - break; - - case E_TEP_FORWARD_LINE: { - int offset_into_line; - char *p; - - offset_into_line = find_offset_into_line (text, text->selection_end, NULL); - if (offset_into_line == -1) - return text->selection_end; - - /* now we search forward til we hit a \n, and then - offset_into_line more characters */ - p = g_utf8_offset_to_pointer (text->text, text->selection_end); - while (p && *p) { - if (*p == '\n') - break; - p = g_utf8_next_char (p); - } - if (p && *p == '\n') { - /* now we loop forward offset_into_line - characters, or until we hit \n or \0 */ - - p = g_utf8_next_char (p); - while (offset_into_line > 0 && p && *p != '\n' && *p != '\0') { - p = g_utf8_next_char (p); - offset_into_line --; - } - } - - /* at this point, p points to the new location, - convert it to an offset and we're done */ - new_pos = g_utf8_pointer_to_offset (text->text, p); - break; - } - case E_TEP_BACKWARD_LINE: { - char *p; - int offset_into_line = find_offset_into_line (text, text->selection_end, &p); - - if (offset_into_line == -1) - return text->selection_end; - - /* p points to the first character on our line. if we - have a \n before it, skip it and scan til we hit - the next one */ - if (p != text->text) { - p = g_utf8_find_prev_char (text->text, p); - if (*p == '\n') { - p = g_utf8_find_prev_char (text->text, p); - while (p > text->text) { - if (*p == '\n') { - p ++; - break; - } - p = g_utf8_find_prev_char (text->text, p); - } - } - } - - /* at this point 'p' points to the start of the - previous line, move forward 'offset_into_line' - times. */ - - while (offset_into_line > 0 && p && *p != '\n' && *p != '\0') { - p = g_utf8_next_char (p); - offset_into_line --; - } - - /* at this point, p points to the new location, - convert it to an offset and we're done */ - new_pos = g_utf8_pointer_to_offset (text->text, p); - break; - } - case E_TEP_SELECT_WORD: - /* This is a silly hack to cause double-clicking on an object - to activate that object. - (Normally, double click == select word, which is why this is here.) */ - - obj_num = e_text_model_get_object_at_offset (text->model, text->selection_start); - if (obj_num != -1) { - e_text_model_activate_nth_object (text->model, obj_num); - new_pos = text->selection_start; - break; - } - - if (text->selection_end < 1) { - new_pos = 0; - break; - } - - p = g_utf8_offset_to_pointer (text->text, text->selection_end); - - p = g_utf8_find_prev_char (text->text, p); - - while (p && p > text->text) { - unival = g_utf8_get_char (p); - if (g_unichar_isspace (unival)) { - p = g_utf8_next_char (p); - break; - } - p = g_utf8_find_prev_char (text->text, p); - } - - if (!p) - text->selection_start = 0; - else - text->selection_start = g_utf8_pointer_to_offset (text->text, p); - - - text->selection_start = e_text_model_validate_position (text->model, text->selection_start); - - length = g_utf8_strlen (text->text, -1); - if (text->selection_end >= length) { - new_pos = length; - break; - } - - p = g_utf8_offset_to_pointer (text->text, text->selection_end); - while (p && *p) { - unival = g_utf8_get_char (p); - if (g_unichar_isspace (unival)) { - new_pos = g_utf8_pointer_to_offset (text->text, p); - break; - } else - p = g_utf8_next_char (p); - } - - if (!new_pos) - new_pos = g_utf8_strlen (text->text, -1); - - return new_pos; - - case E_TEP_SELECT_ALL: - text->selection_start = 0; - new_pos = g_utf8_strlen (text->text, -1); - break; - - case E_TEP_FORWARD_PARAGRAPH: - case E_TEP_BACKWARD_PARAGRAPH: - - case E_TEP_FORWARD_PAGE: - case E_TEP_BACKWARD_PAGE: - new_pos = text->selection_end; - break; - - default: - new_pos = text->selection_end; - break; - } - - new_pos = e_text_model_validate_position (text->model, new_pos); - - return new_pos; -} - -static void -e_text_insert(EText *text, const char *string) -{ - int len = strlen (string); - - if (len > 0) { - int utf8len = 0; - - if (!text->allow_newlines) { - const char *i; - char *new_string = g_malloc (len + 1); - char *j = new_string; - - for (i = string; *i; i = g_utf8_next_char(i)) { - if (*i != '\n') { - gunichar c; - int charlen; - - c = g_utf8_get_char (i); - charlen = g_unichar_to_utf8 (c, j); - j += charlen; - utf8len++; - } - } - *j = 0; - e_text_model_insert_length(text->model, text->selection_start, new_string, utf8len); - g_free (new_string); - } - else { - utf8len = g_utf8_strlen (string, -1); - e_text_model_insert_length(text->model, text->selection_start, string, utf8len); - } - } -} - -static void -capitalize (EText *text, int start, int end, ETextEventProcessorCaps type) -{ - gboolean first = TRUE; - const char *p = g_utf8_offset_to_pointer (text->text, start); - const char *text_end = g_utf8_offset_to_pointer (text->text, end); - int utf8len = text_end - p; - - if (utf8len > 0) { - char *new_text = g_new0 (char, utf8len * 6); - char *output = new_text; - - while (p && *p && p < text_end) { - gunichar unival = g_utf8_get_char (p); - gunichar newval = unival; - - switch (type) { - case E_TEP_CAPS_UPPER: - newval = g_unichar_toupper (unival); - break; - case E_TEP_CAPS_LOWER: - newval = g_unichar_tolower (unival); - break; - case E_TEP_CAPS_TITLE: - if (g_unichar_isalpha (unival)) { - if (first) - newval = g_unichar_totitle (unival); - else - newval = g_unichar_tolower (unival); - first = FALSE; - } else { - first = TRUE; - } - break; - } - g_unichar_to_utf8 (newval, output); - output = g_utf8_next_char (output); - - p = g_utf8_next_char (p); - } - *output = 0; - - e_text_model_delete (text->model, start, utf8len); - e_text_model_insert_length (text->model, start, new_text, utf8len); - g_free (new_text); - } -} - -static void -e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gpointer data) -{ - EText *text = E_TEXT(data); - gboolean scroll = TRUE; - gboolean use_start = TRUE; - - switch (command->action) { - case E_TEP_MOVE: - text->selection_start = _get_position(text, command); - text->selection_end = text->selection_start; - if (text->timer) { - g_timer_reset(text->timer); - } - - use_start = TRUE; - break; - case E_TEP_SELECT: - text->selection_start = e_text_model_validate_position (text->model, text->selection_start); /* paranoia */ - text->selection_end = _get_position(text, command); - - e_text_update_primary_selection (text); - - use_start = FALSE; - - break; - case E_TEP_DELETE: - if (text->selection_end == text->selection_start) { - text->selection_end = _get_position(text, command); - } - e_text_delete_selection(text); - if (text->timer) { - g_timer_reset(text->timer); - } - - use_start = FALSE; - - break; - - case E_TEP_INSERT: - if (g_utf8_validate (command->string, command->value, NULL)) { - if (text->selection_end != text->selection_start) { - e_text_delete_selection(text); - } - e_text_insert(text, command->string); - if (text->timer) { - g_timer_reset(text->timer); - } - } - break; - case E_TEP_COPY: - e_text_copy_clipboard (text); - - if (text->timer) { - g_timer_reset(text->timer); - } - scroll = FALSE; - break; - case E_TEP_PASTE: - e_text_paste (text, GDK_NONE); - if (text->timer) { - g_timer_reset(text->timer); - } - break; - case E_TEP_GET_SELECTION: - e_text_paste (text, GDK_SELECTION_PRIMARY); - break; - case E_TEP_ACTIVATE: - g_signal_emit (text, e_text_signals[E_TEXT_ACTIVATE], 0); - if (text->timer) { - g_timer_reset(text->timer); - } - break; - case E_TEP_SET_SELECT_BY_WORD: - text->select_by_word = command->value; - break; - case E_TEP_GRAB: - e_canvas_item_grab (E_CANVAS (GNOME_CANVAS_ITEM(text)->canvas), - GNOME_CANVAS_ITEM(text), - GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK, - text->i_cursor, - command->time, - NULL, - NULL); - scroll = FALSE; - break; - case E_TEP_UNGRAB: - e_canvas_item_ungrab (E_CANVAS (GNOME_CANVAS_ITEM(text)->canvas), - GNOME_CANVAS_ITEM(text), - command->time); - scroll = FALSE; - break; - case E_TEP_CAPS: - if (text->selection_start == text->selection_end) { - capitalize (text, text->selection_start, next_word (text, text->selection_start), command->value); - } else { - int selection_start = MIN (text->selection_start, text->selection_end); - int selection_end = MAX (text->selection_start, text->selection_end); - capitalize (text, selection_start, selection_end, command->value); - } - break; - case E_TEP_NOP: - scroll = FALSE; - break; - } - - /* it's possible to get here without ever having been realized - by our canvas (if the e-text started completely obscured.) - so let's create our layout object if we don't already have - one. */ - if (!text->layout) - create_layout (text); - - if (scroll && !text->button_down) { - /* XXX do we really need the @trailing logic here? if - we don't we can scrap the loop and just use - pango_layout_index_to_pos */ - PangoLayoutLine *cur_line = NULL; - int selection_index; - PangoLayoutIter *iter = pango_layout_get_iter (text->layout); - - selection_index = use_start ? text->selection_start : text->selection_end; - /* convert to a byte index */ - selection_index = g_utf8_offset_to_pointer (text->text, selection_index) - text->text; - - do { - PangoLayoutLine *line = pango_layout_iter_get_line (iter); - - if (selection_index >= line->start_index && selection_index <= line->start_index + line->length) { - /* found the line with the start of the selection */ - cur_line = line; - break; - } - - } while (pango_layout_iter_next_line (iter)); - - if (cur_line) { - int xpos, ypos; - double clip_width, clip_height; - gboolean trailing = FALSE; - PangoRectangle pango_pos; - - if (selection_index > 0 && selection_index == cur_line->start_index + cur_line->length) { - selection_index--; - trailing = TRUE; - } - - pango_layout_index_to_pos (text->layout, selection_index, &pango_pos); - - pango_pos.x = PANGO_PIXELS (pango_pos.x); - pango_pos.y = PANGO_PIXELS (pango_pos.y); - pango_pos.width = (pango_pos.width + PANGO_SCALE / 2) / PANGO_SCALE; - pango_pos.height = (pango_pos.height + PANGO_SCALE / 2) / PANGO_SCALE; - - /* scroll for X */ - xpos = pango_pos.x; /* + (trailing ? 0 : pango_pos.width);*/ - - if (xpos + 2 < text->xofs_edit) { - text->xofs_edit = xpos; - } - - clip_width = text->clip_width; - if (clip_width >= 0 && text->draw_borders) { - clip_width -= 6; - if (clip_width < 0) - clip_width = 0; - } - - if (xpos + pango_pos.width - clip_width > text->xofs_edit) { - text->xofs_edit = xpos + pango_pos.width - clip_width; - } - - /* scroll for Y */ - if (pango_pos.y + 2 < text->yofs_edit) { - ypos = pango_pos.y; - text->yofs_edit = ypos; - } - else { - ypos = pango_pos.y + pango_pos.height; - } - - if ( text->clip_height < 0 ) - clip_height = text->height; - else - clip_height = text->clip_height; - - if (clip_height >= 0 && text->draw_borders) { - clip_height -= 6; - if (clip_height < 0) - clip_height = 0; - } - - if (ypos - clip_height > text->yofs_edit) { - text->yofs_edit = ypos - clip_height; - } - - } - - pango_layout_iter_free (iter); - } - - text->needs_redraw = 1; - gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text)); -} - - -/* Class initialization function for the text item */ -static void -e_text_class_init (ETextClass *klass) -{ - GObjectClass *gobject_class; - GnomeCanvasItemClass *item_class; - - gobject_class = (GObjectClass *) klass; - item_class = (GnomeCanvasItemClass *) klass; - - parent_class = g_type_class_ref (PARENT_TYPE); - - gobject_class->dispose = e_text_dispose; - gobject_class->set_property = e_text_set_property; - gobject_class->get_property = e_text_get_property; - - item_class->update = e_text_update; - item_class->realize = e_text_realize; - item_class->unrealize = e_text_unrealize; - item_class->draw = e_text_draw; - item_class->point = e_text_point; - item_class->bounds = e_text_bounds; - item_class->event = e_text_event; - - klass->changed = NULL; - klass->activate = NULL; - - e_text_signals[E_TEXT_CHANGED] = - g_signal_new ("changed", - G_OBJECT_CLASS_TYPE (gobject_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (ETextClass, changed), - NULL, NULL, - e_marshal_NONE__NONE, - G_TYPE_NONE, 0); - - e_text_signals[E_TEXT_ACTIVATE] = - g_signal_new ("activate", - G_OBJECT_CLASS_TYPE (gobject_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (ETextClass, activate), - NULL, NULL, - e_marshal_NONE__NONE, - G_TYPE_NONE, 0); - - e_text_signals[E_TEXT_KEYPRESS] = - g_signal_new ("keypress", - G_OBJECT_CLASS_TYPE (gobject_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (ETextClass, keypress), - NULL, NULL, - e_marshal_NONE__INT_INT, - G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_UINT); - - e_text_signals[E_TEXT_POPULATE_POPUP] = - g_signal_new ("populate_popup", - G_OBJECT_CLASS_TYPE (gobject_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (ETextClass, populate_popup), - NULL, NULL, - e_marshal_NONE__POINTER_INT_OBJECT, - G_TYPE_NONE, 3, G_TYPE_POINTER, G_TYPE_INT, GTK_TYPE_MENU); - - g_object_class_install_property (gobject_class, PROP_MODEL, - g_param_spec_object ("model", - _( "Model" ), - _( "Model" ), - E_TYPE_TEXT_MODEL, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_EVENT_PROCESSOR, - g_param_spec_object ("event_processor", - _( "Event Processor" ), - _( "Event Processor" ), - E_TEXT_EVENT_PROCESSOR_TYPE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_TEXT, - g_param_spec_string ("text", - _( "Text" ), - _( "Text" ), - NULL, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_BOLD, - g_param_spec_boolean ("bold", - _( "Bold" ), - _( "Bold" ), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_STRIKEOUT, - g_param_spec_boolean ("strikeout", - _( "Strikeout" ), - _( "Strikeout" ), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_ANCHOR, - g_param_spec_enum ("anchor", - _( "Anchor" ), - _( "Anchor" ), - GTK_TYPE_ANCHOR_TYPE, GTK_ANCHOR_CENTER, - G_PARAM_READWRITE)); - - - g_object_class_install_property (gobject_class, PROP_JUSTIFICATION, - g_param_spec_enum ("justification", - _( "Justification" ), - _( "Justification" ), - GTK_TYPE_JUSTIFICATION, GTK_JUSTIFY_LEFT, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_CLIP_WIDTH, - g_param_spec_double ("clip_width", - _( "Clip Width" ), - _( "Clip Width" ), - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_CLIP_HEIGHT, - g_param_spec_double ("clip_height", - _( "Clip Height" ), - _( "Clip Height" ), - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_CLIP, - g_param_spec_boolean ("clip", - _( "Clip" ), - _( "Clip" ), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_FILL_CLIP_RECTANGLE, - g_param_spec_boolean ("fill_clip_rectangle", - _( "Fill clip rectangle" ), - _( "Fill clip rectangle" ), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_X_OFFSET, - g_param_spec_double ("x_offset", - _( "X Offset" ), - _( "X Offset" ), - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_Y_OFFSET, - g_param_spec_double ("y_offset", - _( "Y Offset" ), - _( "Y Offset" ), - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_FILL_COLOR, - g_param_spec_string ("fill_color", - _( "Fill color" ), - _( "Fill color" ), - NULL, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_FILL_COLOR_GDK, - g_param_spec_boxed ("fill_color_gdk", - _( "GDK fill color" ), - _( "GDK fill color" ), - GDK_TYPE_COLOR, - G_PARAM_READWRITE)); - - - g_object_class_install_property (gobject_class, PROP_FILL_COLOR_RGBA, - g_param_spec_uint ("fill_color_rgba", - _( "GDK fill color" ), - _( "GDK fill color" ), - 0, G_MAXUINT, 0, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_FILL_STIPPLE, - g_param_spec_object ("fill_stipple", - _( "Fill stipple" ), - _( "Fill stipple" ), - GDK_TYPE_DRAWABLE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_TEXT_WIDTH, - g_param_spec_double ("text_width", - _( "Text width" ), - _( "Text width" ), - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READABLE)); - - g_object_class_install_property (gobject_class, PROP_TEXT_HEIGHT, - g_param_spec_double ("text_height", - _( "Text height" ), - _( "Text height" ), - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READABLE)); - - - g_object_class_install_property (gobject_class, PROP_EDITABLE, - g_param_spec_boolean ("editable", - _( "Editable" ), - _( "Editable" ), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_USE_ELLIPSIS, - g_param_spec_boolean ("use_ellipsis", - _( "Use ellipsis" ), - _( "Use ellipsis" ), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_ELLIPSIS, - g_param_spec_string ("ellipsis", - _( "Ellipsis" ), - _( "Ellipsis" ), - NULL, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_LINE_WRAP, - g_param_spec_boolean ("line_wrap", - _( "Line wrap" ), - _( "Line wrap" ), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_BREAK_CHARACTERS, - g_param_spec_string ("break_characters", - _( "Break characters" ), - _( "Break characters" ), - NULL, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_MAX_LINES, - g_param_spec_int ("max_lines", - _( "Max lines" ), - _( "Max lines" ), - 0, G_MAXINT, 0, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_WIDTH, - g_param_spec_double ("width", - _( "Width" ), - _( "Width" ), - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READWRITE)); - - - g_object_class_install_property (gobject_class, PROP_HEIGHT, - g_param_spec_double ("height", - _( "Height" ), - _( "Height" ), - 0.0, G_MAXDOUBLE, 0.0, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_DRAW_BORDERS, - g_param_spec_boolean ("draw_borders", - _( "Draw borders" ), - _( "Draw borders" ), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_ALLOW_NEWLINES, - g_param_spec_boolean ("allow_newlines", - _( "Allow newlines" ), - _( "Allow newlines" ), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_DRAW_BACKGROUND, - g_param_spec_boolean ("draw_background", - _( "Draw background" ), - _( "Draw background" ), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_DRAW_BUTTON, - g_param_spec_boolean ("draw_button", - _( "Draw button" ), - _( "Draw button" ), - FALSE, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_CURSOR_POS, - g_param_spec_int ("cursor_pos", - _( "Cursor position" ), - _( "Cursor position" ), - 0, G_MAXINT, 0, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_IM_CONTEXT, - g_param_spec_object ("im_context", - _( "IM Context" ), - _( "IM Context" ), - GTK_TYPE_IM_CONTEXT, - G_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, PROP_HANDLE_POPUP, - g_param_spec_boolean ("handle_popup", - _( "Handle Popup" ), - _( "Handle Popup" ), - FALSE, - G_PARAM_READWRITE)); - - if (!clipboard_atom) - clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE); - - gal_a11y_e_text_init (); -} - -/* Object initialization function for the text item */ -static void -e_text_init (EText *text) -{ - text->model = e_text_model_new (); - text->text = e_text_model_get_text (text->model); - text->preedit_len = 0; - text->layout = NULL; - - text->revert = NULL; - - text->model_changed_signal_id = - g_signal_connect (text->model, - "changed", - G_CALLBACK (e_text_text_model_changed), - text); - text->model_repos_signal_id = - g_signal_connect (text->model, - "reposition", - G_CALLBACK (e_text_text_model_reposition), - text); - - text->anchor = GTK_ANCHOR_CENTER; - text->justification = GTK_JUSTIFY_LEFT; - text->clip_width = -1.0; - text->clip_height = -1.0; - text->xofs = 0.0; - text->yofs = 0.0; - - text->ellipsis = NULL; - text->use_ellipsis = FALSE; - text->ellipsis_width = 0; - - text->editable = FALSE; - text->editing = FALSE; - text->xofs_edit = 0; - text->yofs_edit = 0; - - text->selection_start = 0; - text->selection_end = 0; - text->select_by_word = FALSE; - - text->timeout_id = 0; - text->timer = NULL; - - text->lastx = 0; - text->lasty = 0; - text->last_state = 0; - - text->scroll_start = 0; - text->show_cursor = TRUE; - text->button_down = FALSE; - - text->tep = NULL; - text->tep_command_id = 0; - - text->has_selection = FALSE; - - text->pointer_in = FALSE; - text->default_cursor_shown = TRUE; - text->line_wrap = FALSE; - text->break_characters = NULL; - text->max_lines = -1; - text->tooltip_timeout = 0; - text->tooltip_count = 0; - text->tooltip_owner = FALSE; - text->dbl_timeout = 0; - text->tpl_timeout = 0; - - text->draw_background = FALSE; - text->draw_button = FALSE; - - text->bold = FALSE; - text->strikeout = FALSE; - - text->allow_newlines = TRUE; - - text->last_type_request = -1; - d(g_print ("Setting last_type_request to %d at line %d\n", text->last_type_request, __LINE__)); - text->last_time_request = 0; - text->queued_requests = NULL; - - text->im_context = NULL; - text->need_im_reset = FALSE; - text->im_context_signals_registered = FALSE; - - text->handle_popup = FALSE; - - - e_canvas_item_set_reflow_callback(GNOME_CANVAS_ITEM(text), e_text_reflow); -} - -/** - * e_text_get_type: - * @void: - * - * Registers the &EText class if necessary, and returns the type ID - * associated to it. - * - * Return value: The type ID of the &EText class. - **/ -E_MAKE_TYPE (e_text, - "EText", - EText, - e_text_class_init, - e_text_init, - PARENT_TYPE) - - - -/* IM Context Callbacks */ -static void -e_text_commit_cb (GtkIMContext *context, - const gchar *str, - EText *text) -{ - if (g_utf8_validate (str, strlen (str), NULL)) { - if (text->selection_end != text->selection_start) - e_text_delete_selection (text); - e_text_insert (text, str); - g_signal_emit (text, e_text_signals[E_TEXT_KEYPRESS], 0, 0, 0); - } -} - -static void -e_text_preedit_changed_cb (GtkIMContext *context, - EText *etext) -{ - gchar *preedit_string = NULL; - - gtk_im_context_get_preedit_string (context, &preedit_string, - NULL, NULL); - - etext->preedit_len = strlen (preedit_string); - - g_signal_emit (etext, e_text_signals[E_TEXT_KEYPRESS], 0, 0, 0); -} - -static gboolean -e_text_retrieve_surrounding_cb (GtkIMContext *context, - EText *text) -{ - gtk_im_context_set_surrounding (context, - text->text, - strlen (text->text), - g_utf8_offset_to_pointer (text->text, text->selection_start) - text->text); - - return TRUE; -} - -static gboolean -e_text_delete_surrounding_cb (GtkIMContext *context, - gint offset, - gint n_chars, - EText *text) -{ - gtk_editable_delete_text (GTK_EDITABLE (text), - text->selection_end + offset, - text->selection_end + offset + n_chars); - - return TRUE; -} |