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-rw-r--r--widgets/e-text/e-text.c2864
1 files changed, 0 insertions, 2864 deletions
diff --git a/widgets/e-text/e-text.c b/widgets/e-text/e-text.c
deleted file mode 100644
index 03c230feb0..0000000000
--- a/widgets/e-text/e-text.c
+++ /dev/null
@@ -1,2864 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* EText - Text item for evolution.
- * Copyright (C) 2000 Helix Code, Inc.
- *
- * Author: Chris Lahey <clahey@umich.edu>
- *
- * 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> */
-
-#include <config.h>
-#include <math.h>
-#include <ctype.h>
-#include "e-text.h"
-#include <gdk/gdkx.h> /* for BlackPixel */
-#include <libart_lgpl/art_affine.h>
-#include <libart_lgpl/art_rgb.h>
-#include <libart_lgpl/art_rgb_bitmap_affine.h>
-#include <gtk/gtkinvisible.h>
-#include "e-util/e-canvas.h"
-
-#include "e-text-event-processor-emacs-like.h"
-
-enum {
- E_TEXT_CHANGE,
- E_TEXT_LAST_SIGNAL
-};
-
-static guint e_text_signals[E_TEXT_LAST_SIGNAL] = { 0 };
-
-
-
-/* This defines a line of text */
-struct line {
- char *text; /* Line's text, it is a pointer into the text->text string */
- int length; /* Line's length in characters */
- int width; /* Line's width in pixels */
- int ellipsis_length; /* Length before adding ellipsis */
-};
-
-
-
-/* Object argument IDs */
-enum {
- ARG_0,
- ARG_MODEL,
- ARG_EVENT_PROCESSOR,
- ARG_TEXT,
- ARG_X,
- ARG_Y,
- ARG_FONT,
- ARG_FONTSET,
- ARG_FONT_GDK,
- ARG_ANCHOR,
- ARG_JUSTIFICATION,
- ARG_CLIP_WIDTH,
- ARG_CLIP_HEIGHT,
- ARG_CLIP,
- ARG_X_OFFSET,
- ARG_Y_OFFSET,
- ARG_FILL_COLOR,
- ARG_FILL_COLOR_GDK,
- ARG_FILL_COLOR_RGBA,
- ARG_FILL_STIPPLE,
- ARG_TEXT_WIDTH,
- ARG_TEXT_HEIGHT,
- ARG_EDITABLE,
- ARG_USE_ELLIPSIS,
- ARG_ELLIPSIS,
- ARG_LINE_WRAP,
- ARG_BREAK_CHARACTERS,
- ARG_MAX_LINES,
- ARG_WIDTH,
- ARG_HEIGHT
-};
-
-
-enum {
- E_SELECTION_PRIMARY,
- E_SELECTION_CLIPBOARD
-};
-enum {
- TARGET_STRING,
- TARGET_TEXT,
- TARGET_COMPOUND_TEXT
-};
-
-static void e_text_class_init (ETextClass *class);
-static void e_text_init (EText *text);
-static void e_text_destroy (GtkObject *object);
-static void e_text_set_arg (GtkObject *object, GtkArg *arg, guint arg_id);
-static void e_text_get_arg (GtkObject *object, GtkArg *arg, guint arg_id);
-
-static void e_text_reflow (GnomeCanvasItem *item, int flags);
-static void e_text_update (GnomeCanvasItem *item, double *affine,
- ArtSVP *clip_path, int flags);
-static void e_text_realize (GnomeCanvasItem *item);
-static void e_text_unrealize (GnomeCanvasItem *item);
-static void e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
- int x, int y, int width, int height);
-static double e_text_point (GnomeCanvasItem *item, double x, double y, int cx, int cy,
- GnomeCanvasItem **actual_item);
-static void e_text_bounds (GnomeCanvasItem *item,
- double *x1, double *y1, double *x2, double *y2);
-static void e_text_render (GnomeCanvasItem *item, GnomeCanvasBuf *buf);
-static gint e_text_event (GnomeCanvasItem *item, GdkEvent *event);
-
-static void e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gpointer data);
-
-static void e_text_get_selection(EText *text, GdkAtom selection, guint32 time);
-static void e_text_supply_selection (EText *text, guint time, GdkAtom selection, guchar *data, gint length);
-
-static void e_text_text_model_changed(ETextModel *model, EText *text);
-
-static void _get_tep(EText *text);
-
-static GtkWidget *e_text_get_invisible(EText *text);
-static void _selection_clear_event (GtkInvisible *invisible,
- GdkEventSelection *event,
- EText *text);
-static void _selection_get (GtkInvisible *invisible,
- GtkSelectionData *selection_data,
- guint info,
- guint time_stamp,
- EText *text);
-static void _selection_received (GtkInvisible *invisible,
- GtkSelectionData *selection_data,
- guint time,
- EText *text);
-
-static ETextSuckFont *e_suck_font (GdkFont *font);
-static void e_suck_font_free (ETextSuckFont *suckfont);
-static void e_text_free_lines(EText *text);
-
-
-static GnomeCanvasItemClass *parent_class;
-static GdkAtom clipboard_atom = GDK_NONE;
-
-
-
-/**
- * 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.
- **/
-GtkType
-e_text_get_type (void)
-{
- static GtkType text_type = 0;
-
- if (!text_type) {
- GtkTypeInfo text_info = {
- "EText",
- sizeof (EText),
- sizeof (ETextClass),
- (GtkClassInitFunc) e_text_class_init,
- (GtkObjectInitFunc) e_text_init,
- NULL, /* reserved_1 */
- NULL, /* reserved_2 */
- (GtkClassInitFunc) NULL
- };
-
- text_type = gtk_type_unique (gnome_canvas_item_get_type (), &text_info);
- }
-
- return text_type;
-}
-
-/* Class initialization function for the text item */
-static void
-e_text_class_init (ETextClass *klass)
-{
- GtkObjectClass *object_class;
- GnomeCanvasItemClass *item_class;
-
- object_class = (GtkObjectClass *) klass;
- item_class = (GnomeCanvasItemClass *) klass;
-
- parent_class = gtk_type_class (gnome_canvas_item_get_type ());
-
- e_text_signals[E_TEXT_CHANGE] =
- gtk_signal_new ("change",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ETextClass, change),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
-
-
- gtk_object_class_add_signals (object_class, e_text_signals, E_TEXT_LAST_SIGNAL);
-
- gtk_object_add_arg_type ("EText::model",
- GTK_TYPE_OBJECT, GTK_ARG_READWRITE, ARG_MODEL);
- gtk_object_add_arg_type ("EText::event_processor",
- GTK_TYPE_OBJECT, GTK_ARG_READWRITE, ARG_EVENT_PROCESSOR);
- gtk_object_add_arg_type ("EText::text",
- GTK_TYPE_STRING, GTK_ARG_READWRITE, ARG_TEXT);
- gtk_object_add_arg_type ("EText::x",
- GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_X);
- gtk_object_add_arg_type ("EText::y",
- GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_Y);
- gtk_object_add_arg_type ("EText::font",
- GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_FONT);
- gtk_object_add_arg_type ("EText::fontset",
- GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_FONTSET);
- gtk_object_add_arg_type ("EText::font_gdk",
- GTK_TYPE_GDK_FONT, GTK_ARG_READWRITE, ARG_FONT_GDK);
- gtk_object_add_arg_type ("EText::anchor",
- GTK_TYPE_ANCHOR_TYPE, GTK_ARG_READWRITE, ARG_ANCHOR);
- gtk_object_add_arg_type ("EText::justification",
- GTK_TYPE_JUSTIFICATION, GTK_ARG_READWRITE, ARG_JUSTIFICATION);
- gtk_object_add_arg_type ("EText::clip_width",
- GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_CLIP_WIDTH);
- gtk_object_add_arg_type ("EText::clip_height",
- GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_CLIP_HEIGHT);
- gtk_object_add_arg_type ("EText::clip",
- GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_CLIP);
- gtk_object_add_arg_type ("EText::x_offset",
- GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_X_OFFSET);
- gtk_object_add_arg_type ("EText::y_offset",
- GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_Y_OFFSET);
- gtk_object_add_arg_type ("EText::fill_color",
- GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_FILL_COLOR);
- gtk_object_add_arg_type ("EText::fill_color_gdk",
- GTK_TYPE_GDK_COLOR, GTK_ARG_READWRITE, ARG_FILL_COLOR_GDK);
- gtk_object_add_arg_type ("EText::fill_color_rgba",
- GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_FILL_COLOR_RGBA);
- gtk_object_add_arg_type ("EText::fill_stipple",
- GTK_TYPE_GDK_WINDOW, GTK_ARG_READWRITE, ARG_FILL_STIPPLE);
- gtk_object_add_arg_type ("EText::text_width",
- GTK_TYPE_DOUBLE, GTK_ARG_READABLE, ARG_TEXT_WIDTH);
- gtk_object_add_arg_type ("EText::text_height",
- GTK_TYPE_DOUBLE, GTK_ARG_READABLE, ARG_TEXT_HEIGHT);
- gtk_object_add_arg_type ("EText::editable",
- GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_EDITABLE);
- gtk_object_add_arg_type ("EText::use_ellipsis",
- GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_USE_ELLIPSIS);
- gtk_object_add_arg_type ("EText::ellipsis",
- GTK_TYPE_STRING, GTK_ARG_READWRITE, ARG_ELLIPSIS);
- gtk_object_add_arg_type ("EText::line_wrap",
- GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_LINE_WRAP);
- gtk_object_add_arg_type ("EText::break_characters",
- GTK_TYPE_STRING, GTK_ARG_READWRITE, ARG_BREAK_CHARACTERS);
- gtk_object_add_arg_type ("EText::max_lines",
- GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_MAX_LINES);
- gtk_object_add_arg_type ("EText::width",
- GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_WIDTH);
- gtk_object_add_arg_type ("EText::height",
- GTK_TYPE_DOUBLE, GTK_ARG_READABLE, ARG_HEIGHT);
-
- if (!clipboard_atom)
- clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE);
-
-
-
- klass->change = NULL;
-
- object_class->destroy = e_text_destroy;
- object_class->set_arg = e_text_set_arg;
- object_class->get_arg = e_text_get_arg;
-
- 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->render = e_text_render;
- item_class->event = e_text_event;
-}
-
-/* Object initialization function for the text item */
-static void
-e_text_init (EText *text)
-{
- text->text = NULL;
- text->model = e_text_model_new();
- gtk_object_ref(GTK_OBJECT(text->model));
- gtk_object_sink(GTK_OBJECT(text->model));
- text->model_changed_signal_id =
- gtk_signal_connect(GTK_OBJECT(text->model),
- "changed",
- GTK_SIGNAL_FUNC(e_text_text_model_changed),
- text);
-
- text->x = 0.0;
- text->y = 0.0;
- 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->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->invisible = NULL;
- text->primary_selection = NULL;
- text->primary_length = 0;
- text->clipboard_selection = NULL;
- text->clipboard_length = 0;
-
- text->pointer_in = FALSE;
- text->default_cursor_shown = TRUE;
-
- text->line_wrap = FALSE;
- text->break_characters = NULL;
- text->max_lines = -1;
-
- e_canvas_item_set_reflow_callback(GNOME_CANVAS_ITEM(text), e_text_reflow);
-}
-
-/* Destroy handler for the text item */
-static void
-e_text_destroy (GtkObject *object)
-{
- EText *text;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (E_IS_TEXT (object));
-
- text = E_TEXT (object);
-
- if (text->model_changed_signal_id)
- gtk_signal_disconnect(GTK_OBJECT(text->model),
- text->model_changed_signal_id);
-
- if (text->model)
- gtk_object_unref(GTK_OBJECT(text->model));
-
- if (text->tep_command_id)
- gtk_signal_disconnect(GTK_OBJECT(text->tep),
- text->tep_command_id);
-
- if (text->tep)
- gtk_object_unref (GTK_OBJECT(text->tep));
-
- if (text->invisible)
- gtk_object_unref (GTK_OBJECT(text->invisible));
-
- if (text->lines)
- g_free (text->lines);
-
- if (text->font)
- gdk_font_unref (text->font);
-
- if (text->suckfont)
- e_suck_font_free (text->suckfont);
-
- if (text->stipple)
- gdk_bitmap_unref (text->stipple);
-
- if (GTK_OBJECT_CLASS (parent_class)->destroy)
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
-static void
-e_text_text_model_changed (ETextModel *model, EText *text)
-{
- text->text = e_text_model_get_text(model);
- e_text_free_lines(text);
- text->needs_split_into_lines = 1;
- e_canvas_item_request_reflow (GNOME_CANVAS_ITEM(text));
-}
-
-static void
-get_bounds_item_relative (EText *text, double *px1, double *py1, double *px2, double *py2)
-{
- GnomeCanvasItem *item;
- double x, y;
- double clip_x, clip_y;
- int old_height;
-
- item = GNOME_CANVAS_ITEM (text);
-
- x = text->x;
- y = text->y;
-
- clip_x = x;
- clip_y = y;
-
- /* Calculate text dimensions */
-
- old_height = text->height;
-
- if (text->text && text->font)
- text->height = (text->font->ascent + text->font->descent) * text->num_lines;
- else
- text->height = 0;
-
- if (old_height != text->height)
- e_canvas_item_request_parent_reflow(item);
-
- /* 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:
- x -= text->max_width / 2;
- clip_x -= text->clip_width / 2;
- break;
-
- case GTK_ANCHOR_NE:
- case GTK_ANCHOR_E:
- case GTK_ANCHOR_SE:
- x -= text->max_width;
- clip_x -= text->clip_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:
- y -= text->height / 2;
- if ( text->clip_height >= 0 )
- clip_y -= text->clip_height / 2;
- else
- clip_y -= text->height / 2;
- break;
-
- case GTK_ANCHOR_SW:
- case GTK_ANCHOR_S:
- case GTK_ANCHOR_SE:
- y -= text->height;
- if ( text->clip_height >= 0 )
- clip_y -= text->clip_height;
- else
- clip_y -= text->height;
- break;
- }
-
- /* Bounds */
-
- if (text->clip) {
- /* maybe do bbox intersection here? */
- *px1 = clip_x;
- *py1 = clip_y;
- *px2 = clip_x + text->clip_width;
- if ( text->clip_height >= 0 )
- *py2 = clip_y + text->clip_height;
- else
- *py2 = clip_y + text->height;
- } else {
- *px1 = x;
- *py1 = y;
- *px2 = x + text->max_width;
- *py2 = y + text->height;
- }
-}
-
-static void
-get_bounds (EText *text, double *px1, double *py1, double *px2, double *py2)
-{
- GnomeCanvasItem *item;
- double wx, wy;
-
- item = GNOME_CANVAS_ITEM (text);
-
- /* Get canvas pixel coordinates for text position */
-
- wx = text->x;
- wy = text->y;
- gnome_canvas_item_i2w (item, &wx, &wy);
- gnome_canvas_w2c (item->canvas, wx + text->xofs, wy + text->yofs, &text->cx, &text->cy);
-
- /* Get canvas pixel coordinates for clip rectangle position */
-
- gnome_canvas_w2c (item->canvas, wx, wy, &text->clip_cx, &text->clip_cy);
- text->clip_cwidth = text->clip_width * item->canvas->pixels_per_unit;
- if ( text->clip_height >= 0 )
- text->clip_cheight = text->clip_height * item->canvas->pixels_per_unit;
- else
- text->clip_cheight = text->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->max_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->max_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;
- }
-
- /* 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->max_width;
- *py2 = text->cy + text->height;
- }
-}
-
-static void
-calc_height (EText *text)
-{
- GnomeCanvasItem *item;
- int old_height;
-
- item = GNOME_CANVAS_ITEM (text);
-
- /* Calculate text dimensions */
-
- old_height = text->height;
-
- if (text->text && text->font)
- text->height = (text->font->ascent + text->font->descent) * text->num_lines;
- else
- text->height = 0;
-
- if (old_height != text->height)
- e_canvas_item_request_parent_reflow(item);
-}
-
-static void
-calc_ellipsis (EText *text)
-{
- if (text->font)
- text->ellipsis_width =
- gdk_text_width (text->font,
- text->ellipsis ? text->ellipsis : "...",
- text->ellipsis ? strlen (text->ellipsis) : 3);
-}
-
-/* Calculates the line widths (in pixels) of the text's splitted lines */
-static void
-calc_line_widths (EText *text)
-{
- struct line *lines;
- int i;
- int j;
-
- lines = text->lines;
- text->max_width = 0;
-
- if (!lines)
- return;
-
- for (i = 0; i < text->num_lines; i++) {
- if (lines->length != 0) {
- if (text->font) {
- lines->width = gdk_text_width (text->font,
- lines->text, lines->length);
- lines->ellipsis_length = 0;
- } else {
- lines->width = 0;
- }
-
- if (text->clip &&
- text->use_ellipsis &&
- ! text->editing &&
- lines->width > text->clip_width) {
- if (text->font) {
- lines->ellipsis_length = 0;
- for (j = 0; j < lines->length; j++ ) {
- if (gdk_text_width (text->font, lines->text, j) + text->ellipsis_width <= text->clip_width)
- lines->ellipsis_length = j;
- else
- break;
- }
- }
- else
- lines->ellipsis_length = 0;
- lines->width = gdk_text_width (text->font, lines->text, lines->ellipsis_length) +
- text->ellipsis_width;
- }
- else
- lines->ellipsis_length = lines->length;
-
- if (lines->width > text->max_width)
- text->max_width = lines->width;
- }
-
- lines++;
- }
-}
-
-static void
-e_text_free_lines(EText *text)
-{
- if (text->lines)
- g_free (text->lines);
-
- text->lines = NULL;
- text->num_lines = 0;
-}
-
-#define IS_BREAKCHAR(text,c) ((text)->break_characters && strchr ((text)->break_characters, (c)))
-/* Splits the text of the text item into lines */
-static void
-split_into_lines (EText *text)
-{
- char *p;
- struct line *lines;
- int len;
- int line_num;
- char *laststart;
- char *lastend;
- char *linestart;
-
- /* Free old array of lines */
- e_text_free_lines(text);
-
- if (!text->text)
- return;
-
- /* First, count the number of lines */
-
- lastend = text->text;
- laststart = text->text;
- linestart = text->text;
-
- for (p = text->text; *p; p++) {
- if (text->line_wrap && (*p == ' ' || *p == '\n')) {
- if ( laststart != lastend
- && gdk_text_width(text->font,
- linestart,
- p - linestart)
- > text->clip_width ) {
- text->num_lines ++;
- linestart = laststart;
- laststart = p + 1;
- lastend = p;
- } else if (*p == ' ') {
- laststart = p + 1;
- lastend = p;
- }
- } else if (text->line_wrap && (IS_BREAKCHAR(text, *p))) {
- if ( laststart != lastend
- && p != linestart + 1
- && gdk_text_width(text->font,
- linestart,
- p + 1 - linestart)
- > text->clip_width ) {
- text->num_lines ++;
- linestart = laststart;
- laststart = p + 1;
- lastend = p + 1;
- } else {
- laststart = p + 1;
- lastend = p + 1;
- }
- }
- if (*p == '\n') {
- text->num_lines ++;
- lastend = p + 1;
- laststart = p + 1;
- linestart = p + 1;
- }
- }
-
- if (text->line_wrap) {
- if ( laststart != lastend
- && gdk_text_width(text->font,
- linestart,
- p - linestart)
- > text->clip_width ) {
- text->num_lines ++;
- }
- }
-
- text->num_lines++;
-
- if ( (!text->editing) && text->max_lines != -1 && text->num_lines > text->max_lines ) {
- text->num_lines = text->max_lines;
- }
-
- /* Allocate array of lines and calculate split positions */
-
- text->lines = lines = g_new0 (struct line, text->num_lines);
- len = 0;
- line_num = 1;
- lastend = text->text;
- laststart = text->text;
-
- for (p = text->text; line_num < text->num_lines && *p; p++) {
- gboolean handled = FALSE;
- if (len == 0)
- lines->text = p;
- if (text->line_wrap && (*p == ' ' || *p == '\n')) {
- if ( gdk_text_width(text->font,
- lines->text,
- p - lines->text)
- > text->clip_width
- && laststart != lastend ) {
- lines->length = lastend - lines->text;
- lines++;
- line_num ++;
- len = p - laststart;
- lines->text = laststart;
- laststart = p + 1;
- lastend = p;
- } else if (*p == ' ') {
- laststart = p + 1;
- lastend = p;
- len ++;
- }
- handled = TRUE;
- } else if (text->line_wrap && (IS_BREAKCHAR(text, *p))) {
- if ( laststart != lastend
- && p != lines->text + 1
- && gdk_text_width(text->font,
- lines->text,
- p + 1 - lines->text)
- > text->clip_width ) {
- lines->length = lastend - lines->text;
- lines++;
- line_num++;
- len = p + 1 - laststart;
- lines->text = laststart;
- laststart = p + 1;
- lastend = p + 1;
- } else {
- laststart = p + 1;
- lastend = p + 1;
- len ++;
- }
- }
- if ( line_num >= text->num_lines )
- break;
- if (*p == '\n') {
- lines->length = p - lines->text;
- lines++;
- line_num ++;
- len = 0;
- lastend = p + 1;
- laststart = p + 1;
- handled = TRUE;
- }
- if (!handled)
- len++;
- }
-
- if ( line_num < text->num_lines && text->line_wrap ) {
- if ( gdk_text_width(text->font,
- lines->text,
- p - lines->text)
- > text->clip_width
- && laststart != lastend ) {
- lines->length = lastend - lines->text;
- lines++;
- line_num ++;
- len = p - laststart;
- lines->text = laststart;
- laststart = p + 1;
- lastend = p;
- }
- }
-
- if (len == 0)
- lines->text = p;
- lines->length = strlen(lines->text);
-}
-
-/* Convenience function to set the text's GC's foreground color */
-static void
-set_text_gc_foreground (EText *text)
-{
- GdkColor c;
-
- if (!text->gc)
- return;
-
- c.pixel = text->pixel;
- gdk_gc_set_foreground (text->gc, &c);
-}
-
-/* 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_arg (GtkObject *object, GtkArg *arg, guint arg_id)
-{
- 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 (arg_id) {
- case ARG_MODEL:
- if ( text->model_changed_signal_id )
- gtk_signal_disconnect(GTK_OBJECT(text->model),
- text->model_changed_signal_id);
- gtk_object_unref(GTK_OBJECT(text->model));
- text->model = E_TEXT_MODEL(GTK_VALUE_OBJECT (*arg));
- gtk_object_ref(GTK_OBJECT(text->model));
-
- text->model_changed_signal_id =
- gtk_signal_connect(GTK_OBJECT(text->model),
- "changed",
- GTK_SIGNAL_FUNC(e_text_text_model_changed),
- text);
-
- e_text_free_lines(text);
- text->text = e_text_model_get_text(text->model);
-
- text->needs_split_into_lines = 1;
- needs_reflow = 1;
- break;
-
- case ARG_EVENT_PROCESSOR:
- if ( text->tep && text->tep_command_id )
- gtk_signal_disconnect(GTK_OBJECT(text->tep),
- text->tep_command_id);
- if ( text->tep )
- gtk_object_unref(GTK_OBJECT(text->tep));
- text->tep = E_TEXT_EVENT_PROCESSOR(GTK_VALUE_OBJECT (*arg));
- gtk_object_ref(GTK_OBJECT(text->tep));
- text->tep_command_id =
- gtk_signal_connect(GTK_OBJECT(text->tep),
- "command",
- GTK_SIGNAL_FUNC(e_text_command),
- text);
- break;
-
- case ARG_TEXT:
- e_text_model_set_text(text->model, GTK_VALUE_STRING (*arg));
- break;
-
- case ARG_X:
- text->x = GTK_VALUE_DOUBLE (*arg);
- text->needs_recalc_bounds = 1;
- needs_update = 1;
- break;
-
- case ARG_Y:
- text->y = GTK_VALUE_DOUBLE (*arg);
- text->needs_recalc_bounds = 1;
- needs_update = 1;
- break;
-
- case ARG_FONT:
- if (text->font)
- gdk_font_unref (text->font);
-
- text->font = gdk_font_load (GTK_VALUE_STRING (*arg));
-
- if (item->canvas->aa) {
- if (text->suckfont)
- e_suck_font_free (text->suckfont);
-
- text->suckfont = e_suck_font (text->font);
- }
-
- calc_ellipsis (text);
- if ( text->line_wrap )
- text->needs_split_into_lines = 1;
- else
- text->needs_calc_line_widths = 1;
- needs_reflow = 1;
- break;
-
- case ARG_FONTSET:
- if (text->font)
- gdk_font_unref (text->font);
-
- text->font = gdk_fontset_load (GTK_VALUE_STRING (*arg));
-
- if (item->canvas->aa) {
- if (text->suckfont)
- e_suck_font_free (text->suckfont);
-
- text->suckfont = e_suck_font (text->font);
- }
-
- calc_ellipsis (text);
- if ( text->line_wrap )
- text->needs_split_into_lines = 1;
- else
- text->needs_calc_line_widths = 1;
- needs_reflow = 1;
- break;
-
- case ARG_FONT_GDK:
- if (text->font)
- gdk_font_unref (text->font);
-
- text->font = GTK_VALUE_BOXED (*arg);
- gdk_font_ref (text->font);
-
- if (item->canvas->aa) {
- if (text->suckfont)
- e_suck_font_free (text->suckfont);
-
- text->suckfont = e_suck_font (text->font);
- }
- calc_ellipsis (text);
- if ( text->line_wrap )
- text->needs_split_into_lines = 1;
- else
- text->needs_calc_line_widths = 1;
- needs_reflow = 1;
- break;
-
- case ARG_ANCHOR:
- text->anchor = GTK_VALUE_ENUM (*arg);
- text->needs_recalc_bounds = 1;
- needs_update = 1;
- break;
-
- case ARG_JUSTIFICATION:
- text->justification = GTK_VALUE_ENUM (*arg);
- text->needs_redraw = 1;
- needs_update = 1;
- break;
-
- case ARG_CLIP_WIDTH:
- text->clip_width = fabs (GTK_VALUE_DOUBLE (*arg));
- calc_ellipsis (text);
- if ( text->line_wrap )
- text->needs_split_into_lines = 1;
- else
- text->needs_calc_line_widths = 1;
- needs_reflow = 1;
- break;
-
- case ARG_CLIP_HEIGHT:
- text->clip_height = fabs (GTK_VALUE_DOUBLE (*arg));
- text->needs_recalc_bounds = 1;
- needs_reflow = 1;
- break;
-
- case ARG_CLIP:
- text->clip = GTK_VALUE_BOOL (*arg);
- calc_ellipsis (text);
- if ( text->line_wrap )
- text->needs_split_into_lines = 1;
- else
- text->needs_calc_line_widths = 1;
- needs_reflow = 1;
- break;
-
- case ARG_X_OFFSET:
- text->xofs = GTK_VALUE_DOUBLE (*arg);
- text->needs_recalc_bounds = 1;
- needs_update = 1;
- break;
-
- case ARG_Y_OFFSET:
- text->yofs = GTK_VALUE_DOUBLE (*arg);
- text->needs_recalc_bounds = 1;
- needs_update = 1;
- break;
-
- case ARG_FILL_COLOR:
- if (GTK_VALUE_STRING (*arg))
- gdk_color_parse (GTK_VALUE_STRING (*arg), &color);
-
- text->rgba = ((color.red & 0xff00) << 16 |
- (color.green & 0xff00) << 8 |
- (color.blue & 0xff00) |
- 0xff);
- color_changed = TRUE;
- text->needs_redraw = 1;
- needs_update = 1;
- break;
-
- case ARG_FILL_COLOR_GDK:
- pcolor = GTK_VALUE_BOXED (*arg);
- if (pcolor) {
- color = *pcolor;
- gdk_color_context_query_color (item->canvas->cc, &color);
- have_pixel = TRUE;
- }
-
- text->rgba = ((color.red & 0xff00) << 16 |
- (color.green & 0xff00) << 8 |
- (color.blue & 0xff00) |
- 0xff);
- color_changed = TRUE;
- text->needs_redraw = 1;
- needs_update = 1;
- break;
-
- case ARG_FILL_COLOR_RGBA:
- text->rgba = GTK_VALUE_UINT (*arg);
- color_changed = TRUE;
- text->needs_redraw = 1;
- needs_update = 1;
- break;
-
- case ARG_FILL_STIPPLE:
- set_stipple (text, GTK_VALUE_BOXED (*arg), FALSE);
- text->needs_redraw = 1;
- needs_update = 1;
- break;
-
- case ARG_EDITABLE:
- text->editable = GTK_VALUE_BOOL (*arg);
- text->needs_redraw = 1;
- needs_update = 1;
- break;
-
- case ARG_USE_ELLIPSIS:
- text->use_ellipsis = GTK_VALUE_BOOL (*arg);
- text->needs_calc_line_widths = 1;
- needs_reflow = 1;
- break;
-
- case ARG_ELLIPSIS:
- if (text->ellipsis)
- g_free (text->ellipsis);
-
- text->ellipsis = g_strdup (GTK_VALUE_STRING (*arg));
- calc_ellipsis (text);
- text->needs_calc_line_widths = 1;
- needs_reflow = 1;
- break;
-
- case ARG_LINE_WRAP:
- text->line_wrap = GTK_VALUE_BOOL (*arg);
- text->needs_split_into_lines = 1;
- needs_reflow = 1;
- break;
-
- case ARG_BREAK_CHARACTERS:
- if ( text->break_characters ) {
- g_free(text->break_characters);
- text->break_characters = NULL;
- }
- if ( GTK_VALUE_STRING (*arg) )
- text->break_characters = g_strdup( GTK_VALUE_STRING (*arg) );
- text->needs_split_into_lines = 1;
- needs_reflow = 1;
- break;
-
- case ARG_MAX_LINES:
- text->max_lines = GTK_VALUE_INT (*arg);
- text->needs_split_into_lines = 1;
- needs_reflow = 1;
- break;
-
- case ARG_WIDTH:
- text->clip_width = fabs (GTK_VALUE_DOUBLE (*arg));
- calc_ellipsis (text);
- if ( text->line_wrap )
- text->needs_split_into_lines = 1;
- else
- text->needs_calc_line_widths = 1;
- needs_reflow = 1;
- break;
-
- default:
- return;
- }
-
- if (color_changed) {
- if (have_pixel)
- text->pixel = color.pixel;
- else
- text->pixel = gnome_canvas_get_color_pixel (item->canvas, text->rgba);
-
- if (!item->canvas->aa)
- set_text_gc_foreground (text);
-
- }
-
- 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_arg (GtkObject *object, GtkArg *arg, guint arg_id)
-{
- EText *text;
- GdkColor *color;
-
- text = E_TEXT (object);
-
- switch (arg_id) {
- case ARG_MODEL:
- GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(text->model);
- break;
-
- case ARG_EVENT_PROCESSOR:
- _get_tep(text);
- GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(text->tep);
- break;
-
- case ARG_TEXT:
- GTK_VALUE_STRING (*arg) = g_strdup (text->text);
- break;
-
- case ARG_X:
- GTK_VALUE_DOUBLE (*arg) = text->x;
- break;
-
- case ARG_Y:
- GTK_VALUE_DOUBLE (*arg) = text->y;
- break;
-
- case ARG_FONT_GDK:
- GTK_VALUE_BOXED (*arg) = text->font;
- break;
-
- case ARG_ANCHOR:
- GTK_VALUE_ENUM (*arg) = text->anchor;
- break;
-
- case ARG_JUSTIFICATION:
- GTK_VALUE_ENUM (*arg) = text->justification;
- break;
-
- case ARG_CLIP_WIDTH:
- GTK_VALUE_DOUBLE (*arg) = text->clip_width;
- break;
-
- case ARG_CLIP_HEIGHT:
- GTK_VALUE_DOUBLE (*arg) = text->clip_height;
- break;
-
- case ARG_CLIP:
- GTK_VALUE_BOOL (*arg) = text->clip;
- break;
-
- case ARG_X_OFFSET:
- GTK_VALUE_DOUBLE (*arg) = text->xofs;
- break;
-
- case ARG_Y_OFFSET:
- GTK_VALUE_DOUBLE (*arg) = text->yofs;
- break;
-
- case ARG_FILL_COLOR_GDK:
- color = g_new (GdkColor, 1);
- color->pixel = text->pixel;
- gdk_color_context_query_color (text->item.canvas->cc, color);
- GTK_VALUE_BOXED (*arg) = color;
- break;
-
- case ARG_FILL_COLOR_RGBA:
- GTK_VALUE_UINT (*arg) = text->rgba;
- break;
-
- case ARG_FILL_STIPPLE:
- GTK_VALUE_BOXED (*arg) = text->stipple;
- break;
-
- case ARG_TEXT_WIDTH:
- GTK_VALUE_DOUBLE (*arg) = text->max_width / text->item.canvas->pixels_per_unit;
- break;
-
- case ARG_TEXT_HEIGHT:
- GTK_VALUE_DOUBLE (*arg) = text->height / text->item.canvas->pixels_per_unit;
- break;
-
- case ARG_EDITABLE:
- GTK_VALUE_BOOL (*arg) = text->editable;
- break;
-
- case ARG_USE_ELLIPSIS:
- GTK_VALUE_BOOL (*arg) = text->use_ellipsis;
- break;
-
- case ARG_ELLIPSIS:
- GTK_VALUE_STRING (*arg) = g_strdup (text->ellipsis);
- break;
-
- case ARG_LINE_WRAP:
- GTK_VALUE_BOOL (*arg) = text->line_wrap;
- break;
-
- case ARG_BREAK_CHARACTERS:
- GTK_VALUE_STRING (*arg) = g_strdup (text->break_characters);
- break;
-
- case ARG_MAX_LINES:
- GTK_VALUE_INT (*arg) = text->max_lines;
- break;
-
- case ARG_WIDTH:
- GTK_VALUE_DOUBLE (*arg) = text->clip_width;
- break;
-
- case ARG_HEIGHT:
- GTK_VALUE_DOUBLE (*arg) = text->max_width / text->item.canvas->pixels_per_unit;
- break;
-
- default:
- arg->type = GTK_TYPE_INVALID;
- 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_split_into_lines ) {
- split_into_lines(text);
- text->needs_split_into_lines = 0;
- text->needs_calc_line_widths = 1;
- }
- if ( text->needs_calc_line_widths ) {
- int x;
- int i;
- struct line *lines;
- calc_line_widths(text);
- text->needs_calc_line_widths = 0;
- text->needs_calc_height = 1;
- text->needs_redraw = 1;
-
- lines = text->lines;
- if ( !lines )
- return;
-
- for (lines = text->lines, i = 0; i < text->num_lines ; i++, lines ++) {
- if (lines->text - text->text > text->selection_end) {
- break;
- }
- }
- lines --;
- x = gdk_text_width(text->font,
- lines->text,
- text->selection_end - (lines->text - text->text));
-
-
- if (x < text->xofs_edit) {
- text->xofs_edit = x;
- }
-
- if (2 + x - text->clip_width > text->xofs_edit) {
- text->xofs_edit = 2 + x - text->clip_width;
- }
- }
- if ( text->needs_calc_height ) {
- calc_height (text);
- gnome_canvas_item_request_update(item);
- text->needs_calc_height = 0;
- }
-}
-
-/* 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;
- ArtDRect i_bbox, c_bbox;
- int i;
-
- 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;
- }
- } else {
- /* aa rendering */
- for (i = 0; i < 6; i++)
- text->affine[i] = affine[i];
- get_bounds_item_relative (text, &i_bbox.x0, &i_bbox.y0, &i_bbox.x1, &i_bbox.y1);
- art_drect_affine_transform (&c_bbox, &i_bbox, affine);
- }
- text->needs_recalc_bounds = 0;
- get_bounds (text, &x1, &y1, &x2, &y2);
- }
- 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);
-
- text->gc = gdk_gc_new (item->canvas->layout.bin_window);
-
- 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);
- gdk_cursor_destroy (text->default_cursor);
-
- if (parent_class->unrealize)
- (* parent_class->unrealize) (item);
-}
-
-/* Calculates the x position of the specified line of text, based on the text's justification */
-static double
-get_line_xpos_item_relative (EText *text, struct line *line)
-{
- double x;
-
- x = text->x;
-
- 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:
- x -= text->max_width / 2;
- break;
-
- case GTK_ANCHOR_NE:
- case GTK_ANCHOR_E:
- case GTK_ANCHOR_SE:
- x -= text->max_width;
- break;
- }
-
- switch (text->justification) {
- case GTK_JUSTIFY_RIGHT:
- x += text->max_width - line->width;
- break;
-
- case GTK_JUSTIFY_CENTER:
- x += (text->max_width - line->width) * 0.5;
- break;
-
- default:
- /* For GTK_JUSTIFY_LEFT, we don't have to do anything. We do not support
- * GTK_JUSTIFY_FILL, yet.
- */
- break;
- }
-
- return x;
-}
-
-/* Calculates the y position of the first line of text. */
-static double
-get_line_ypos_item_relative (EText *text)
-{
- double y;
-
- y = text->y;
-
- 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:
- y -= text->height / 2;
- break;
-
- case GTK_ANCHOR_SW:
- case GTK_ANCHOR_S:
- case GTK_ANCHOR_SE:
- y -= text->height;
- break;
- }
-
- return y;
-}
-
-/* Calculates the x position of the specified line of text, based on the text's justification */
-static int
-get_line_xpos (EText *text, struct line *line)
-{
- int x;
-
- x = text->cx;
-
- switch (text->justification) {
- case GTK_JUSTIFY_RIGHT:
- x += text->max_width - line->width;
- break;
-
- case GTK_JUSTIFY_CENTER:
- x += (text->max_width - line->width) / 2;
- break;
-
- default:
- /* For GTK_JUSTIFY_LEFT, we don't have to do anything. We do not support
- * GTK_JUSTIFY_FILL, yet.
- */
- break;
- }
-
- return x;
-}
-
-static void
-_get_tep(EText *text)
-{
- if (!text->tep) {
- text->tep = e_text_event_processor_emacs_like_new();
- gtk_object_ref (GTK_OBJECT (text->tep));
- gtk_object_sink (GTK_OBJECT (text->tep));
- text->tep_command_id =
- gtk_signal_connect(GTK_OBJECT(text->tep),
- "command",
- GTK_SIGNAL_FUNC(e_text_command),
- (gpointer) text);
- }
-}
-
-/* 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;
- struct line *lines;
- int i;
- int xpos, ypos;
- int start_char, end_char;
- int sel_start, sel_end;
- GdkRectangle sel_rect;
- GdkGC *fg_gc;
- GnomeCanvas *canvas;
-
- text = E_TEXT (item);
- canvas = GNOME_CANVAS_ITEM(text)->canvas;
-
- fg_gc = GTK_WIDGET(canvas)->style->fg_gc[text->has_selection ? GTK_STATE_SELECTED : GTK_STATE_ACTIVE];
-
- if (!text->text || !text->font)
- return;
-
- lines = text->lines;
- if ( !lines ) {
- text->needs_split_into_lines = 1;
- e_canvas_item_request_reflow (item);
- }
-
- clip_rect = NULL;
- if (text->clip) {
- rect.x = text->clip_cx - x;
- rect.y = text->clip_cy - y;
- rect.width = text->clip_cwidth;
- rect.height = text->clip_cheight;
-
- gdk_gc_set_clip_rectangle (text->gc, &rect);
- gdk_gc_set_clip_rectangle (fg_gc, &rect);
- clip_rect = &rect;
- }
- ypos = text->cy + text->font->ascent;
-
- if (text->stipple)
- gnome_canvas_set_stipple_origin (item->canvas, text->gc);
-
- for (i = 0; i < text->num_lines; i++) {
- xpos = get_line_xpos (text, lines);
- if (text->editing) {
- xpos -= text->xofs_edit;
- start_char = lines->text - text->text;
- end_char = start_char + lines->length;
- sel_start = text->selection_start;
- sel_end = text->selection_end;
- if (sel_start > sel_end ) {
- sel_start ^= sel_end;
- sel_end ^= sel_start;
- sel_start ^= sel_end;
- }
- if ( sel_start < start_char )
- sel_start = start_char;
- if ( sel_end > end_char )
- sel_end = end_char;
- if ( sel_start < sel_end ) {
- sel_rect.x = xpos - x + gdk_text_width (text->font,
- lines->text,
- sel_start - start_char);
- sel_rect.y = ypos - y - text->font->ascent;
- sel_rect.width = gdk_text_width (text->font,
- lines->text + sel_start - start_char,
- sel_end - sel_start);
- sel_rect.height = text->font->ascent + text->font->descent;
- gtk_paint_flat_box(GTK_WIDGET(item->canvas)->style,
- drawable,
- text->has_selection ?
- GTK_STATE_SELECTED :
- GTK_STATE_ACTIVE,
- GTK_SHADOW_NONE,
- clip_rect,
- GTK_WIDGET(item->canvas),
- "text",
- sel_rect.x,
- sel_rect.y,
- sel_rect.width,
- sel_rect.height);
- gdk_draw_text (drawable,
- text->font,
- text->gc,
- xpos - x,
- ypos - y,
- lines->text,
- sel_start - start_char);
- gdk_draw_text (drawable,
- text->font,
- fg_gc,
- xpos - x + gdk_text_width (text->font,
- lines->text,
- sel_start - start_char),
- ypos - y,
- lines->text + sel_start - start_char,
- sel_end - sel_start);
- gdk_draw_text (drawable,
- text->font,
- text->gc,
- xpos - x + gdk_text_width (text->font,
- lines->text,
- sel_end - start_char),
- ypos - y,
- lines->text + sel_end - start_char,
- end_char - sel_end);
- } else {
- gdk_draw_text (drawable,
- text->font,
- text->gc,
- xpos - x,
- ypos - y,
- lines->text,
- lines->length);
- }
- if (text->selection_start == text->selection_end &&
- text->selection_start >= start_char &&
- text->selection_start <= end_char &&
- text->show_cursor) {
- gdk_draw_rectangle (drawable,
- text->gc,
- TRUE,
- xpos - x + gdk_text_width (text->font,
- lines->text,
- sel_start - start_char),
- ypos - y - text->font->ascent,
- 1,
- text->font->ascent + text->font->descent);
- }
- } else {
- if ( text->clip && text->use_ellipsis && lines->ellipsis_length < lines->length) {
- gdk_draw_text (drawable,
- text->font,
- text->gc,
- xpos - x,
- ypos - y,
- lines->text,
- lines->ellipsis_length);
- gdk_draw_text (drawable,
- text->font,
- text->gc,
- xpos - x +
- lines->width - text->ellipsis_width,
- ypos - y,
- text->ellipsis ? text->ellipsis : "...",
- text->ellipsis ? strlen (text->ellipsis) : 3);
- } else
-
- gdk_draw_text (drawable,
- text->font,
- text->gc,
- xpos - x,
- ypos - y,
- lines->text,
- lines->length);
- }
-
- ypos += text->font->ascent + text->font->descent;
- lines++;
- }
-
- if (text->clip) {
- gdk_gc_set_clip_rectangle (text->gc, NULL);
- gdk_gc_set_clip_rectangle (fg_gc, NULL);
- }
-}
-
-/* Render handler for the text item */
-static void
-e_text_render (GnomeCanvasItem *item, GnomeCanvasBuf *buf)
-{
- EText *text;
- guint32 fg_color;
- double xpos, ypos;
- struct line *lines;
- int i, j;
- double affine[6];
- ETextSuckFont *suckfont;
- int dx, dy;
- ArtPoint start_i, start_c;
-
- text = E_TEXT (item);
-
- if (!text->text || !text->font || !text->suckfont)
- return;
-
- suckfont = text->suckfont;
-
- fg_color = text->rgba;
-
- gnome_canvas_buf_ensure_buf (buf);
-
- lines = text->lines;
- if ( !lines )
- return;
-
- start_i.y = get_line_ypos_item_relative (text);
-
- art_affine_scale (affine, item->canvas->pixels_per_unit, item->canvas->pixels_per_unit);
- for (i = 0; i < 6; i++)
- affine[i] = text->affine[i];
-
- for (i = 0; i < text->num_lines; i++) {
- if (lines->length != 0) {
- start_i.x = get_line_xpos_item_relative (text, lines);
- art_affine_point (&start_c, &start_i, text->affine);
- xpos = start_c.x;
- ypos = start_c.y;
-
- for (j = 0; j < lines->length; j++) {
- ETextSuckChar *ch;
-
- ch = &suckfont->chars[(unsigned char)((lines->text)[j])];
-
- affine[4] = xpos;
- affine[5] = ypos;
- art_rgb_bitmap_affine (
- buf->buf,
- buf->rect.x0, buf->rect.y0, buf->rect.x1, buf->rect.y1,
- buf->buf_rowstride,
- suckfont->bitmap + (ch->bitmap_offset >> 3),
- ch->width,
- suckfont->bitmap_height,
- suckfont->bitmap_width >> 3,
- fg_color,
- affine,
- ART_FILTER_NEAREST, NULL);
-
- dx = ch->left_sb + ch->width + ch->right_sb;
- xpos += dx * affine[0];
- ypos += dx * affine[1];
- }
- }
-
- dy = text->font->ascent + text->font->descent;
- start_i.y += dy;
- lines++;
- }
-
- buf->is_bg = 0;
-}
-
-/* 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;
- int i;
- struct line *lines;
- int x1, y1, x2, y2;
- int font_height;
- int dx, dy;
- double dist, best;
-
- 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->font)
- font_height = text->font->ascent + text->font->descent;
- else
- font_height = 0;
-
- best = 1.0e36;
-
- lines = text->lines;
- if ( lines )
- return 1;
-
- for (i = 0; i < text->num_lines; i++) {
- /* Compute the coordinates of rectangle for the current line,
- * clipping if appropriate.
- */
-
- x1 = get_line_xpos (text, lines);
- y1 = text->cy + i * font_height;
- x2 = x1 + lines->width;
- y2 = y1 + font_height;
-
- if (text->clip) {
- if (x1 < text->clip_cx)
- x1 = text->clip_cx;
-
- if (y1 < text->clip_cy)
- y1 = text->clip_cy;
-
- if ( text->clip_width >= 0 ) {
- if (x2 > (text->clip_cx + text->clip_width))
- x2 = text->clip_cx + text->clip_width;
- }
-
- if ( text->clip_height >= 0 ) {
- if (y2 > (text->clip_cy + text->clip_height))
- y2 = text->clip_cy + text->clip_height;
- }
-
- if ((x1 >= x2) || (y1 >= y2))
- continue;
- }
-
- /* Calculate distance from point to rectangle */
-
- if (cx < x1)
- dx = x1 - cx;
- else if (cx >= x2)
- dx = cx - x2 + 1;
- else
- dx = 0;
-
- if (cy < y1)
- dy = y1 - cy;
- else if (cy >= y2)
- dy = cy - y2 + 1;
- else
- dy = 0;
-
- if ((dx == 0) && (dy == 0))
- return 0.0;
-
- dist = sqrt (dx * dx + dy * dy);
- if (dist < best)
- best = dist;
-
- /* Next! */
-
- lines++;
- }
-
- return best / item->canvas->pixels_per_unit;
-}
-
-/* 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 = text->x;
- *y1 = text->y;
-
- if (text->clip) {
- width = text->clip_width;
- if ( text->clip_height >= 0 )
- height = text->clip_height;
- else height = text->height;
- } else {
- width = text->max_width / item->canvas->pixels_per_unit;
- height = text->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 void
-_get_xy_from_position (EText *text, gint position, gint *xp, gint *yp)
-{
- if ( !text->lines )
- return;
- if (xp || yp) {
- struct line *lines = NULL;
- int x, y;
- double xd, yd;
- int j;
- x = get_line_xpos_item_relative (text, lines);
- y = text->y + text->yofs;
- for (j = 0, lines = text->lines; j < text->num_lines; lines++, j++) {
- if (lines->text > text->text + position)
- break;
- y += text->font->ascent + text->font->descent;
- }
- lines --;
- y -= text->font->descent;
-
- x += gdk_text_width (text->font,
- lines->text,
- position - (lines->text - text->text));
- x -= text->xofs_edit;
-
- xd = x; yd = y;
- gnome_canvas_item_i2w (GNOME_CANVAS_ITEM(text), &xd, &yd);
- gnome_canvas_w2c (GNOME_CANVAS_ITEM(text)->canvas, xd, yd, &x, &y);
-
- if (xp)
- *xp = x;
- if (yp)
- *yp = y;
- }
-}
-
-static gint
-_get_position_from_xy (EText *text, gint x, gint y)
-{
- int i, j;
- int ypos = text->y + text->yofs;
- int xpos;
- double xd, yd;
-
- struct line *lines;
-
- xd = x; yd = y;
- gnome_canvas_c2w (GNOME_CANVAS_ITEM(text)->canvas, xd, yd, &xd, &yd);
- gnome_canvas_item_w2i (GNOME_CANVAS_ITEM(text), &xd, &yd);
- x = xd; y = yd;
-
- j = 0;
- while (y > ypos) {
- ypos += text->font->ascent + text->font->descent;
- j ++;
- }
- j--;
- if (j >= text->num_lines)
- j = text->num_lines - 1;
- if (j < 0)
- j = 0;
- i = 0;
- lines = text->lines;
-
- if ( !lines )
- return 0;
-
- lines += j;
- x += text->xofs_edit;
- xpos = get_line_xpos_item_relative (text, lines);
- for(i = 0; i < lines->length; i++) {
- int charwidth = gdk_text_width(text->font,
- lines->text + i,
- 1);
- xpos += charwidth / 2;
- if (xpos > x) {
- break;
- }
- xpos += (charwidth + 1) / 2;
- }
- return lines->text + i - text->text;
-}
-
-#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, &current_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) {
- if (text->lastx - text->clip_cx > text->clip_cwidth &&
- text->xofs_edit < text->max_width - text->clip_cwidth) {
- text->xofs_edit += 4;
- if (text->xofs_edit > text->max_width - text->clip_cwidth + 1)
- text->xofs_edit = text->max_width - text->clip_cwidth + 1;
- redraw = TRUE;
- }
- if (text->lastx - text->clip_cx < 0 &&
- text->xofs_edit > 0) {
- text->xofs_edit -= 4;
- if (text->xofs_edit < 0)
- text->xofs_edit = 0;
- redraw = TRUE;
- }
- if (redraw) {
- 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;
- }
- }
-
- 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
-_do_tooltip (gpointer data)
-{
- EText *text = E_TEXT (data);
- struct line *lines;
- GtkWidget *label, *vbox;
- gint x, y, pointer_x, pointer_y, scr_w, scr_h, tip_w, tip_h;
- int i;
- gboolean cut_off;
-
- if (text->editing)
- return FALSE;
-
- lines = text->lines;
-
- if ( !lines )
- return FALSE;
-
- cut_off = FALSE;
- for ( lines = text->lines, i = 0; i < text->num_lines; lines++, i++ ) {
- if (lines->length > lines->ellipsis_length) {
- cut_off = TRUE;
- break;
- }
- }
- if ( ! cut_off )
- return FALSE;
-
- scr_w = gdk_screen_width ();
- scr_h = gdk_screen_height ();
- gdk_window_get_pointer (NULL, &pointer_x, &pointer_y, NULL);
-
- text->tooltip_window = gtk_window_new (GTK_WINDOW_POPUP);
- vbox = gtk_vbox_new (TRUE, 0);
- lines = text->lines;
- for (i = 0; i < text->num_lines; i++) {
- gchar *linetext;
-
- linetext = g_strndup (lines->text, lines->length);
- label = gtk_label_new (linetext);
- g_free (linetext);
- gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
- gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
- lines++;
- }
-
- gtk_widget_show_all (vbox);
- gtk_container_add (GTK_CONTAINER (text->tooltip_window), vbox);
- gtk_widget_realize (text->tooltip_window);
- tip_w = text->tooltip_window->allocation.width;
- tip_h = text->tooltip_window->allocation.height;
-
- /* Stay on screen */
- x = pointer_x + tip_w <= scr_w ? pointer_x : scr_w - tip_w;
- y = pointer_y + tip_h + 1 <= scr_h ? pointer_y + 1: pointer_y - tip_h;
- gtk_widget_popup (text->tooltip_window, x, y);
-
- return FALSE;
-}
-
-static gint
-e_text_event (GnomeCanvasItem *item, GdkEvent *event)
-{
- EText *text = E_TEXT(item);
- ETextEventProcessorEvent e_tep_event;
-
- gint return_val = 0;
-
- 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) {
- if(!text->editing) {
- text->editing = TRUE;
- if ( text->pointer_in ) {
- if ( text->default_cursor_shown ) {
- gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, text->i_cursor);
- text->default_cursor_shown = FALSE;
- }
- }
- text->selection_start = 0;
- text->selection_end = 0;
- text->select_by_word = FALSE;
- text->xofs_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);
- }
- } else {
- text->editing = FALSE;
- if ( ! text->default_cursor_shown ) {
- gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, text->default_cursor);
- text->default_cursor_shown = TRUE;
- }
- 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->line_wrap )
- text->needs_split_into_lines = 1;
- else
- text->needs_calc_line_widths = 1;
- e_canvas_item_request_reflow (GNOME_CANVAS_ITEM(text));
- }
- return_val = 0;
- break;
- case GDK_KEY_PRESS: /* Fall Through */
- case GDK_KEY_RELEASE:
- if (text->editing) {
- GdkEventKey key = event->key;
- e_tep_event.key.time = key.time;
- e_tep_event.key.state = key.state;
- e_tep_event.key.keyval = key.keyval;
- e_tep_event.key.length = key.length;
- e_tep_event.key.string = key.string;
- _get_tep(text);
- return e_text_event_processor_handle_event (text->tep,
- &e_tep_event);
- }
- else
- return 0;
- 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;
- }
- if (text->tooltip_window) {
- gtk_widget_destroy (text->tooltip_window);
- text->tooltip_window = NULL;
- }
-#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);
-
- e_tep_event.type = GDK_BUTTON_PRESS;
- 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) {
- e_canvas_item_grab_focus (item);
- }
-#endif
- 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)
- text->tooltip_timeout = gtk_timeout_add (1000, _do_tooltip, text);
- text->tooltip_count ++;
- text->pointer_in = TRUE;
- if (text->editing) {
- 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:
- text->tooltip_count --;
- if ( text->tooltip_count == 0 && text->clip) {
- if ( text->tooltip_timeout ) {
- gtk_timeout_remove (text->tooltip_timeout);
- text->tooltip_timeout = 0;
- }
- if (text->tooltip_window) {
- gtk_widget_destroy (text->tooltip_window);
- text->tooltip_window = NULL;
- }
- }
-
- text->pointer_in = FALSE;
- if (text->editing) {
- 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;
-}
-
-static int
-_get_position(EText *text, ETextEventProcessorCommand *command)
-{
- int i;
- int length;
- int x, y;
-
- switch (command->position) {
-
- case E_TEP_VALUE:
- return command->value;
-
- case E_TEP_SELECTION:
- return text->selection_end;
-
- case E_TEP_START_OF_BUFFER:
- return 0;
- case E_TEP_END_OF_BUFFER:
- return strlen(text->text);
-
- case E_TEP_START_OF_LINE:
- for (i = text->selection_end - 2; i > 0; i--)
- if (text->text[i] == '\n') {
- i++;
- break;
- }
- return i;
- case E_TEP_END_OF_LINE:
- length = strlen(text->text);
- for (i = text->selection_end + 1; i < length; i++)
- if (text->text[i] == '\n') {
- break;
- }
- if (i > length)
- i = length;
- return i;
-
- case E_TEP_FORWARD_CHARACTER:
- length = strlen(text->text);
- i = text->selection_end + 1;
- if (i > length)
- i = length;
- return i;
- case E_TEP_BACKWARD_CHARACTER:
- i = text->selection_end - 1;
- if (i < 0)
- i = 0;
- return i;
-
- case E_TEP_FORWARD_WORD:
- length = strlen(text->text);
- for (i = text->selection_end + 1; i < length; i++)
- if (isspace(text->text[i])) {
- break;
- }
- if (i > length)
- i = length;
- return i;
- case E_TEP_BACKWARD_WORD:
- for (i = text->selection_end - 2; i > 0; i--)
- if (isspace(text->text[i])) {
- i++;
- break;
- }
- if (i < 0)
- i = 0;
- return i;
-
- case E_TEP_FORWARD_LINE:
- _get_xy_from_position(text, text->selection_end, &x, &y);
- y += text->font->ascent + text->font->descent;
- return _get_position_from_xy(text, x, y);
- case E_TEP_BACKWARD_LINE:
- _get_xy_from_position(text, text->selection_end, &x, &y);
- y -= text->font->ascent + text->font->descent;
- return _get_position_from_xy(text, x, y);
-
- case E_TEP_FORWARD_PARAGRAPH:
- case E_TEP_BACKWARD_PARAGRAPH:
-
- case E_TEP_FORWARD_PAGE:
- case E_TEP_BACKWARD_PAGE:
- return text->selection_end;
- default:
- return text->selection_end;
- }
-}
-
-static void
-_delete_selection(EText *text)
-{
- if ( text->selection_start < text->selection_end ) {
- e_text_model_delete(text->model, text->selection_start, text->selection_end - text->selection_start);
- text->selection_end = text->selection_start;
- } else {
- e_text_model_delete(text->model, text->selection_end, text->selection_start - text->selection_end);
- text->selection_start = text->selection_end;
- }
-}
-
-static void
-_insert(EText *text, char *string, int value)
-{
- if (value > 0) {
- e_text_model_insert_length(text->model, text->selection_start, string, value);
-
- text->selection_start += value;
- text->selection_end = text->selection_start;
- }
-}
-
-static void
-e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gpointer data)
-{
- EText *text = E_TEXT(data);
- int sel_start, sel_end;
- 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);
- }
- break;
- case E_TEP_SELECT:
- text->selection_end = _get_position(text, command);
- 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_supply_selection (text, command->time, GDK_SELECTION_PRIMARY, text->text + sel_start, sel_end - sel_start);
- } else if (text->timer) {
- g_timer_reset(text->timer);
- }
- break;
- case E_TEP_DELETE:
- if (text->selection_end == text->selection_start) {
- text->selection_end = _get_position(text, command);
- }
- _delete_selection(text);
- if (text->timer) {
- g_timer_reset(text->timer);
- }
- break;
-
- case E_TEP_INSERT:
- if (text->selection_end != text->selection_start) {
- _delete_selection(text);
- }
- _insert(text, command->string, command->value);
- if (text->timer) {
- g_timer_reset(text->timer);
- }
- break;
- case E_TEP_COPY:
- 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_supply_selection (text, command->time, clipboard_atom, text->text + sel_start, sel_end - sel_start);
- }
- if (text->timer) {
- g_timer_reset(text->timer);
- }
- break;
- case E_TEP_PASTE:
- e_text_get_selection (text, clipboard_atom, command->time);
- if (text->timer) {
- g_timer_reset(text->timer);
- }
- break;
- case E_TEP_GET_SELECTION:
- e_text_get_selection (text, GDK_SELECTION_PRIMARY, command->time);
- break;
- case E_TEP_ACTIVATE:
- 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:
- gnome_canvas_item_grab (GNOME_CANVAS_ITEM(text),
- GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK,
- text->i_cursor,
- command->time);
- break;
- case E_TEP_UNGRAB:
- gnome_canvas_item_ungrab (GNOME_CANVAS_ITEM(text), command->time);
- break;
- case E_TEP_NOP:
- break;
- }
-
- if (!text->button_down) {
- int x;
- int i;
- struct line *lines = text->lines;
- if ( !lines )
- return;
-
- for (lines = text->lines, i = 0; i < text->num_lines ; i++, lines ++) {
- if (lines->text - text->text > text->selection_end) {
- break;
- }
- }
- lines --;
- x = gdk_text_width(text->font,
- lines->text,
- text->selection_end - (lines->text - text->text));
-
-
- if (x < text->xofs_edit) {
- text->xofs_edit = x;
- }
-
- if (2 + x - text->clip_width > text->xofs_edit) {
- text->xofs_edit = 2 + x - text->clip_width;
- }
- }
-
- text->needs_redraw = 1;
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text));
-}
-
-static void _invisible_destroy (GtkInvisible *invisible,
- EText *text)
-{
- text->invisible = NULL;
-}
-
-static GtkWidget *e_text_get_invisible(EText *text)
-{
- GtkWidget *invisible;
- if (text->invisible) {
- invisible = text->invisible;
- } else {
- invisible = gtk_invisible_new();
- text->invisible = invisible;
-
- gtk_selection_add_target (invisible,
- GDK_SELECTION_PRIMARY,
- GDK_SELECTION_TYPE_STRING,
- E_SELECTION_PRIMARY);
- gtk_selection_add_target (invisible,
- clipboard_atom,
- GDK_SELECTION_TYPE_STRING,
- E_SELECTION_CLIPBOARD);
-
- gtk_signal_connect (GTK_OBJECT(invisible), "selection_get",
- GTK_SIGNAL_FUNC (_selection_get),
- text);
- gtk_signal_connect (GTK_OBJECT(invisible), "selection_clear_event",
- GTK_SIGNAL_FUNC (_selection_clear_event),
- text);
- gtk_signal_connect (GTK_OBJECT(invisible), "selection_received",
- GTK_SIGNAL_FUNC (_selection_received),
- text);
-
- gtk_signal_connect (GTK_OBJECT(invisible), "destroy",
- GTK_SIGNAL_FUNC (_invisible_destroy),
- text);
- }
- return invisible;
-}
-
-static void
-_selection_clear_event (GtkInvisible *invisible,
- GdkEventSelection *event,
- EText *text)
-{
- if (event->selection == GDK_SELECTION_PRIMARY) {
- g_free (text->primary_selection);
- text->primary_selection = NULL;
- text->primary_length = 0;
-
- text->has_selection = FALSE;
- text->needs_redraw = 1;
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(text));
-
- } else if (event->selection == clipboard_atom) {
- g_free (text->clipboard_selection);
- text->clipboard_selection = NULL;
- text->clipboard_length = 0;
- }
-}
-
-static void
-_selection_get (GtkInvisible *invisible,
- GtkSelectionData *selection_data,
- guint info,
- guint time_stamp,
- EText *text)
-{
- switch (info) {
- case E_SELECTION_PRIMARY:
- gtk_selection_data_set (selection_data, GDK_SELECTION_TYPE_STRING,
- 8, text->primary_selection, text->primary_length);
- break;
- case E_SELECTION_CLIPBOARD:
- gtk_selection_data_set (selection_data, GDK_SELECTION_TYPE_STRING,
- 8, text->clipboard_selection, text->clipboard_length);
- break;
- }
-}
-
-static void
-_selection_received (GtkInvisible *invisible,
- GtkSelectionData *selection_data,
- guint time,
- EText *text)
-{
- if (selection_data->length < 0 || selection_data->type != GDK_SELECTION_TYPE_STRING) {
- return;
- } else {
- ETextEventProcessorCommand command;
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.string = selection_data->data;
- command.value = selection_data->length;
- command.time = time;
- e_text_command(text->tep, &command, text);
- }
-}
-
-static void e_text_supply_selection (EText *text, guint time, GdkAtom selection, guchar *data, gint length)
-{
- gboolean successful;
- GtkWidget *invisible;
-
- invisible = e_text_get_invisible(text);
-
- if (selection == GDK_SELECTION_PRIMARY ) {
- if (text->primary_selection) {
- g_free (text->primary_selection);
- }
- text->primary_selection = g_strndup(data, length);
- text->primary_length = length;
- } else if (selection == clipboard_atom) {
- if (text->clipboard_selection) {
- g_free (text->clipboard_selection);
- }
- text->clipboard_selection = g_strndup(data, length);
- text->clipboard_length = length;
- }
-
- successful = gtk_selection_owner_set (invisible,
- selection,
- time);
-
- if (selection == GDK_SELECTION_PRIMARY)
- text->has_selection = successful;
-}
-
-static void
-e_text_get_selection(EText *text, GdkAtom selection, guint32 time)
-{
- GtkWidget *invisible;
- invisible = e_text_get_invisible(text);
- gtk_selection_convert(invisible,
- selection,
- GDK_SELECTION_TYPE_STRING,
- time);
-}
-
-#if 0
-static void
-e_text_real_copy_clipboard (EText *text)
-{
- guint32 time;
- gint selection_start_pos;
- gint selection_end_pos;
-
- g_return_if_fail (text != NULL);
- g_return_if_fail (E_IS_TEXT (text));
-
- time = gtk_text_get_event_time (text);
- selection_start_pos = MIN (text->selection_start, text->selection_end);
- selection_end_pos = MAX (text->selection_start, text->selection_end);
-
- if (selection_start_pos != selection_end_pos)
- {
- if (gtk_selection_owner_set (GTK_WIDGET (text->canvas),
- clipboard_atom,
- time))
- text->clipboard_text = "";
- }
-}
-
-static void
-e_text_real_paste_clipboard (EText *text)
-{
- guint32 time;
-
- g_return_if_fail (text != NULL);
- g_return_if_fail (E_IS_TEXT (text));
-
- time = e_text_get_event_time (text);
- if (text->editable)
- gtk_selection_convert (GTK_WIDGET(text->widget),
- clipboard_atom,
- gdk_atom_intern ("COMPOUND_TEXT", FALSE), time);
-}
-#endif
-
-
-
-/* Routines for sucking fonts from the X server */
-
-static ETextSuckFont *
-e_suck_font (GdkFont *font)
-{
- ETextSuckFont *suckfont;
- int i;
- int x, y;
- char text[1];
- int lbearing, rbearing, ch_width, ascent, descent;
- GdkPixmap *pixmap;
- GdkColor black, white;
- GdkImage *image;
- GdkGC *gc;
- guchar *line;
- int width, height;
- int black_pixel, pixel;
-
- if (!font)
- return NULL;
-
- suckfont = g_new (ETextSuckFont, 1);
-
- height = font->ascent + font->descent;
- x = 0;
- for (i = 0; i < 256; i++) {
- text[0] = i;
- gdk_text_extents (font, text, 1,
- &lbearing, &rbearing, &ch_width, &ascent, &descent);
- suckfont->chars[i].left_sb = lbearing;
- suckfont->chars[i].right_sb = ch_width - rbearing;
- suckfont->chars[i].width = rbearing - lbearing;
- suckfont->chars[i].ascent = ascent;
- suckfont->chars[i].descent = descent;
- suckfont->chars[i].bitmap_offset = x;
- x += (ch_width + 31) & -32;
- }
-
- width = x;
-
- suckfont->bitmap_width = width;
- suckfont->bitmap_height = height;
- suckfont->ascent = font->ascent;
-
- pixmap = gdk_pixmap_new (NULL, suckfont->bitmap_width,
- suckfont->bitmap_height, 1);
- gc = gdk_gc_new (pixmap);
- gdk_gc_set_font (gc, font);
-
- black_pixel = BlackPixel (gdk_display, DefaultScreen (gdk_display));
- black.pixel = black_pixel;
- white.pixel = WhitePixel (gdk_display, DefaultScreen (gdk_display));
- gdk_gc_set_foreground (gc, &white);
- gdk_draw_rectangle (pixmap, gc, 1, 0, 0, width, height);
-
- gdk_gc_set_foreground (gc, &black);
- for (i = 0; i < 256; i++) {
- text[0] = i;
- gdk_draw_text (pixmap, font, gc,
- suckfont->chars[i].bitmap_offset - suckfont->chars[i].left_sb,
- font->ascent,
- text, 1);
- }
-
- /* The handling of the image leaves me with distinct unease. But this
- * is more or less copied out of gimp/app/text_tool.c, so it _ought_ to
- * work. -RLL
- */
-
- image = gdk_image_get (pixmap, 0, 0, width, height);
- suckfont->bitmap = g_malloc0 ((width >> 3) * height);
-
- line = suckfont->bitmap;
- for (y = 0; y < height; y++) {
- for (x = 0; x < width; x++) {
- pixel = gdk_image_get_pixel (image, x, y);
- if (pixel == black_pixel)
- line[x >> 3] |= 128 >> (x & 7);
- }
- line += width >> 3;
- }
-
- gdk_image_destroy (image);
-
- /* free the pixmap */
- gdk_pixmap_unref (pixmap);
-
- /* free the gc */
- gdk_gc_destroy (gc);
-
- return suckfont;
-}
-
-static void
-e_suck_font_free (ETextSuckFont *suckfont)
-{
- g_free (suckfont->bitmap);
- g_free (suckfont);
-}