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-rw-r--r--widgets/misc/e-reflow.c1265
1 files changed, 0 insertions, 1265 deletions
diff --git a/widgets/misc/e-reflow.c b/widgets/misc/e-reflow.c
deleted file mode 100644
index 126f9d7dfd..0000000000
--- a/widgets/misc/e-reflow.c
+++ /dev/null
@@ -1,1265 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-reflow.c
- * Copyright (C) 2000, 2001 Ximian, Inc.
- * Author: Chris Lahey <clahey@helixcode.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program 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
- * General Public License for more details.
- *
- * You should have received a copy of the GNU 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-reflow.h"
-
-#include <math.h>
-#include <gdk/gdkkeysyms.h>
-#include "e-canvas-utils.h"
-#include "e-canvas.h"
-#include "gal/e-text/e-text.h"
-#include "gal/util/e-util.h"
-#include <gtk/gtksignal.h>
-#include "e-selection-model-simple.h"
-
-#include <string.h>
-
-static gboolean e_reflow_event (GnomeCanvasItem *item, GdkEvent *event);
-static void e_reflow_realize (GnomeCanvasItem *item);
-static void e_reflow_unrealize (GnomeCanvasItem *item);
-static void e_reflow_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
- int x, int y, int width, int height);
-static void e_reflow_update (GnomeCanvasItem *item, double affine[6], ArtSVP *clip_path, gint flags);
-static double e_reflow_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item);
-static void e_reflow_reflow (GnomeCanvasItem *item, int flags);
-static void set_empty(EReflow *reflow);
-
-static void e_reflow_resize_children (GnomeCanvasItem *item);
-
-#define E_REFLOW_DIVIDER_WIDTH 2
-#define E_REFLOW_BORDER_WIDTH 7
-#define E_REFLOW_FULL_GUTTER (E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH * 2)
-
-static GnomeCanvasGroupClass *parent_class = NULL;
-
-/* The arguments we take */
-enum {
- ARG_0,
- ARG_MINIMUM_WIDTH,
- ARG_WIDTH,
- ARG_HEIGHT,
- ARG_EMPTY_MESSAGE,
- ARG_MODEL,
-};
-
-enum {
- SELECTION_EVENT,
- LAST_SIGNAL
-};
-
-static guint signals [LAST_SIGNAL] = {0, };
-
-static gint
-er_compare (int i1, int i2, gpointer user_data)
-{
- EReflow *reflow = user_data;
- return e_reflow_model_compare (reflow->model, i1, i2);
-}
-
-static gint
-e_reflow_pick_line (EReflow *reflow, double x)
-{
- x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
- x /= reflow->column_width + E_REFLOW_FULL_GUTTER;
- return x;
-}
-
-static int
-er_find_item (EReflow *reflow, GnomeCanvasItem *item)
-{
- int i;
- for (i = 0; i < reflow->count; i++) {
- if (reflow->items[i] == item)
- return i;
- }
- return -1;
-}
-
-static void
-e_reflow_resize_children (GnomeCanvasItem *item)
-{
- EReflow *reflow;
- int i;
- int count;
-
- reflow = E_REFLOW (item);
-
- count = reflow->count;
- for (i = 0; i < count; i++) {
- if (reflow->items[i])
- gnome_canvas_item_set(reflow->items[i],
- "width", (double) reflow->column_width,
- NULL);
- }
-}
-
-static void
-e_reflow_update_selection (EReflow *reflow)
-{
- int i;
- int count;
-
- count = reflow->count;
- for (i = 0; i < count; i++) {
- if (reflow->items[i]) {
- gtk_object_set(GTK_OBJECT(reflow->items[i]),
- "selected", e_selection_model_is_row_selected(E_SELECTION_MODEL(reflow->selection), i),
- NULL);
- } else if (e_selection_model_is_row_selected (E_SELECTION_MODEL (reflow->selection), i)) {
- reflow->items[i] = e_reflow_model_incarnate (reflow->model, i, GNOME_CANVAS_GROUP (reflow));
- gtk_object_set (GTK_OBJECT (reflow->items[i]),
- "selected", e_selection_model_is_row_selected(E_SELECTION_MODEL(reflow->selection), i),
- "width", (double) reflow->column_width,
- NULL);
- }
- }
-}
-
-static void
-selection_changed (ESelectionModel *selection, EReflow *reflow)
-{
- e_reflow_update_selection (reflow);
-}
-
-static void
-incarnate (EReflow *reflow)
-{
- int column_width;
- int first_column;
- int last_column;
- int first_cell;
- int last_cell;
- int i;
- GtkAdjustment *adjustment = gtk_layout_get_hadjustment (GTK_LAYOUT (GNOME_CANVAS_ITEM (reflow)->canvas));
-
- column_width = reflow->column_width;
-
- first_column = adjustment->value - 1 + E_REFLOW_BORDER_WIDTH;
- first_column /= column_width + E_REFLOW_FULL_GUTTER;
-
- last_column = adjustment->value + adjustment->page_size + 1 - E_REFLOW_BORDER_WIDTH - E_REFLOW_DIVIDER_WIDTH;
- last_column /= column_width + E_REFLOW_FULL_GUTTER;
- last_column ++;
-
- if (first_column >= 0 && first_column < reflow->column_count)
- first_cell = reflow->columns[first_column];
- else
- first_cell = 0;
-
- if (last_column >= 0 && last_column < reflow->column_count)
- last_cell = reflow->columns[last_column];
- else
- last_cell = reflow->count;
-
- for (i = first_cell; i < last_cell; i++) {
- int unsorted = e_sorter_sorted_to_model (E_SORTER (reflow->sorter), i);
- if (reflow->items[unsorted] == NULL) {
- if (reflow->model) {
- reflow->items[unsorted] = e_reflow_model_incarnate (reflow->model, unsorted, GNOME_CANVAS_GROUP (reflow));
- gtk_object_set (GTK_OBJECT (reflow->items[unsorted]),
- "selected", e_selection_model_is_row_selected(E_SELECTION_MODEL(reflow->selection), unsorted),
- "width", (double) reflow->column_width,
- NULL);
- }
- }
- }
- reflow->incarnate_idle_id = 0;
-}
-
-static gboolean
-invoke_incarnate (gpointer user_data)
-{
- EReflow *reflow = user_data;
- incarnate (reflow);
- return FALSE;
-}
-
-static void
-queue_incarnate (EReflow *reflow)
-{
- if (reflow->incarnate_idle_id == 0)
- reflow->incarnate_idle_id =
- g_idle_add_full (25, invoke_incarnate, reflow, NULL);
-}
-
-static void
-reflow_columns (EReflow *reflow)
-{
- GSList *list;
- int count;
- int i;
- int column_count;
- double running_height;
-
- g_free (reflow->columns);
- reflow->column_count = 0;
- reflow->columns = NULL;
-
- list = NULL;
-
- running_height = E_REFLOW_BORDER_WIDTH;
- column_count = 1;
-
- count = reflow->count;
- for (i = 0; i < count; i++) {
- int unsorted = e_sorter_sorted_to_model (E_SORTER (reflow->sorter), i);
- if (reflow->heights[unsorted] == -1) {
- if (reflow->model)
- reflow->heights[unsorted] = e_reflow_model_height (reflow->model, unsorted, GNOME_CANVAS_GROUP (reflow));
- else
- reflow->heights[unsorted] = 0;
- }
- if (i != 0 && running_height + reflow->heights[unsorted] + E_REFLOW_BORDER_WIDTH > reflow->height) {
- list = g_slist_prepend (list, GINT_TO_POINTER(i));
- column_count ++;
- running_height = E_REFLOW_BORDER_WIDTH * 2 + reflow->heights[unsorted];
- } else
- running_height += reflow->heights[unsorted] + E_REFLOW_BORDER_WIDTH;
- }
-
- reflow->column_count = column_count;
- reflow->columns = g_new (int, column_count);
- column_count --;
- for (; column_count > 0; column_count--) {
- GSList *to_free;
- reflow->columns[column_count] = GPOINTER_TO_INT(list->data);
- to_free = list;
- list = list->next;
- g_slist_free_1 (to_free);
- }
- reflow->columns[0] = 0;
-
- queue_incarnate (reflow);
-
- reflow->need_reflow_columns = FALSE;
-}
-
-static void
-item_changed (EReflowModel *model, int i, EReflow *reflow)
-{
- if (i < 0 || i >= reflow->count)
- return;
-
- reflow->heights[i] = -1;
- if (reflow->items[i] != NULL)
- e_reflow_model_reincarnate (model, i, reflow->items[i]);
- e_sorter_array_clean (reflow->sorter);
- reflow->need_reflow_columns = TRUE;
- e_canvas_item_request_reflow(GNOME_CANVAS_ITEM (reflow));
-}
-
-static void
-items_inserted (EReflowModel *model, int position, int count, EReflow *reflow)
-{
- int i;
- int oldcount;
- if (position < 0 || position > reflow->count)
- return;
-
- oldcount = reflow->count;
-
- reflow->count += count;
-
- if (reflow->count > reflow->allocated_count) {
- while (reflow->count > reflow->allocated_count)
- reflow->allocated_count += 256;
- reflow->heights = g_renew (int, reflow->heights, reflow->allocated_count);
- reflow->items = g_renew (GnomeCanvasItem *, reflow->items, reflow->allocated_count);
- }
- memmove (reflow->heights + position + count, reflow->heights + position, (reflow->count - position - count) * sizeof (int));
- memmove (reflow->items + position + count, reflow->items + position, (reflow->count - position - count) * sizeof (GnomeCanvasItem *));
- for (i = position; i < position + count; i++) {
- reflow->items[i] = 0;
- reflow->heights[i] = -1;
- }
-
- e_selection_model_simple_set_row_count (E_SELECTION_MODEL_SIMPLE (reflow->selection), reflow->count);
- if (position == oldcount)
- e_sorter_array_append (reflow->sorter, count);
- else
- e_sorter_array_set_count (reflow->sorter, reflow->count);
- reflow->need_reflow_columns = TRUE;
- set_empty (reflow);
- e_canvas_item_request_reflow(GNOME_CANVAS_ITEM (reflow));
-}
-
-static void
-model_changed (EReflowModel *model, EReflow *reflow)
-{
- int i;
- int count;
- int oldcount;
-
- count = reflow->count;
- oldcount = count;
-
- for (i = 0; i < count; i++) {
- if (reflow->items[i])
- gtk_object_destroy (GTK_OBJECT (reflow->items[i]));
- }
- g_free (reflow->items);
- g_free (reflow->heights);
- reflow->count = e_reflow_model_count (model);
- reflow->allocated_count = reflow->count;
- reflow->items = g_new (GnomeCanvasItem *, reflow->count);
- reflow->heights = g_new (int, reflow->count);
-
- count = reflow->count;
- for (i = 0; i < count; i++) {
- reflow->items[i] = 0;
- reflow->heights[i] = -1;
- }
-
- e_selection_model_simple_set_row_count (E_SELECTION_MODEL_SIMPLE (reflow->selection), count);
- e_sorter_array_set_count (reflow->sorter, reflow->count);
-
- reflow->need_reflow_columns = TRUE;
- if (oldcount > reflow->count)
- reflow_columns (reflow);
- set_empty (reflow);
- e_canvas_item_request_reflow(GNOME_CANVAS_ITEM (reflow));
-}
-
-static void
-set_empty(EReflow *reflow)
-{
- if (reflow->count == 0) {
- if (reflow->empty_text) {
- if (reflow->empty_message) {
- gnome_canvas_item_set(reflow->empty_text,
- "width", reflow->minimum_width,
- "text", reflow->empty_message,
- NULL);
- e_canvas_item_move_absolute(reflow->empty_text,
- reflow->minimum_width / 2,
- 0);
- } else {
- gtk_object_destroy(GTK_OBJECT(reflow->empty_text));
- reflow->empty_text = NULL;
- }
- } else {
- if (reflow->empty_message)
- reflow->empty_text =
- gnome_canvas_item_new(GNOME_CANVAS_GROUP(reflow),
- e_text_get_type(),
- "anchor", GTK_ANCHOR_N,
- "width", reflow->minimum_width,
- "clip", TRUE,
- "use_ellipsis", TRUE,
- "font_gdk", GTK_WIDGET(GNOME_CANVAS_ITEM(reflow)->canvas)->style->font,
- "fill_color", "black",
- "justification", GTK_JUSTIFY_CENTER,
- "text", reflow->empty_message,
- "draw_background", FALSE,
- NULL);
- e_canvas_item_move_absolute(reflow->empty_text,
- reflow->minimum_width / 2,
- 0);
- }
- } else {
- if (reflow->empty_text) {
- gtk_object_destroy(GTK_OBJECT(reflow->empty_text));
- reflow->empty_text = NULL;
- }
- }
-}
-
-static void
-disconnect_model (EReflow *reflow)
-{
- if (reflow->model == NULL)
- return;
-
- gtk_signal_disconnect (GTK_OBJECT (reflow->model),
- reflow->model_changed_id);
- gtk_signal_disconnect (GTK_OBJECT (reflow->model),
- reflow->model_items_inserted_id);
- gtk_signal_disconnect (GTK_OBJECT (reflow->model),
- reflow->model_item_changed_id);
- gtk_object_unref (GTK_OBJECT (reflow->model));
-
- reflow->model_changed_id = 0;
- reflow->model_items_inserted_id = 0;
- reflow->model_item_changed_id = 0;
- reflow->model = NULL;
-}
-
-static void
-disconnect_selection (EReflow *reflow)
-{
- if (reflow->selection == NULL)
- return;
-
- gtk_signal_disconnect (GTK_OBJECT (reflow->selection),
- reflow->selection_changed_id);
- gtk_object_unref (GTK_OBJECT (reflow->selection));
-
- reflow->selection_changed_id = 0;
- reflow->selection = NULL;
-}
-
-static void
-connect_model (EReflow *reflow, EReflowModel *model)
-{
- if (reflow->model != NULL)
- disconnect_model (reflow);
-
- if (model == NULL)
- return;
-
- reflow->model = model;
- gtk_object_ref (GTK_OBJECT (reflow->model));
- reflow->model_changed_id =
- gtk_signal_connect (GTK_OBJECT (reflow->model), "model_changed",
- GTK_SIGNAL_FUNC (model_changed), reflow);
- reflow->model_items_inserted_id =
- gtk_signal_connect (GTK_OBJECT (reflow->model), "model_items_inserted",
- GTK_SIGNAL_FUNC (items_inserted), reflow);
- reflow->model_item_changed_id =
- gtk_signal_connect (GTK_OBJECT (reflow->model), "model_item_changed",
- GTK_SIGNAL_FUNC (item_changed), reflow);
- model_changed (model, reflow);
-}
-
-static void
-adjustment_changed (GtkAdjustment *adjustment, EReflow *reflow)
-{
- incarnate (reflow);
-}
-
-static void
-disconnect_adjustment (EReflow *reflow)
-{
- if (reflow->adjustment == NULL)
- return;
-
- gtk_signal_disconnect (GTK_OBJECT (reflow->adjustment),
- reflow->adjustment_changed_id);
- gtk_signal_disconnect (GTK_OBJECT (reflow->adjustment),
- reflow->adjustment_value_changed_id);
-
- gtk_object_unref (GTK_OBJECT (reflow->adjustment));
-
- reflow->adjustment_changed_id = 0;
- reflow->adjustment_value_changed_id = 0;
- reflow->adjustment = NULL;
-}
-
-static void
-connect_adjustment (EReflow *reflow, GtkAdjustment *adjustment)
-{
- if (reflow->adjustment != NULL)
- disconnect_adjustment (reflow);
-
- if (adjustment == NULL)
- return;
-
- reflow->adjustment = adjustment;
- reflow->adjustment_changed_id =
- gtk_signal_connect (GTK_OBJECT (adjustment), "changed",
- adjustment_changed, reflow);
- reflow->adjustment_value_changed_id =
- gtk_signal_connect (GTK_OBJECT (adjustment), "value_changed",
- adjustment_changed, reflow);
- gtk_object_ref (GTK_OBJECT (adjustment));
-}
-
-static void
-set_scroll_adjustments (GtkLayout *layout, GtkAdjustment *hadj, GtkAdjustment *vadj, EReflow *reflow)
-{
- connect_adjustment (reflow, hadj);
-}
-
-static void
-disconnect_set_adjustment (EReflow *reflow)
-{
- gtk_signal_disconnect (GTK_OBJECT (GNOME_CANVAS_ITEM (reflow)->canvas),
- reflow->set_scroll_adjustments_id);
- reflow->set_scroll_adjustments_id = 0;
-}
-
-static void
-connect_set_adjustment (EReflow *reflow)
-{
- reflow->set_scroll_adjustments_id =
- gtk_signal_connect (GTK_OBJECT (GNOME_CANVAS_ITEM (reflow)->canvas),
- "set_scroll_adjustments",
- GTK_SIGNAL_FUNC (set_scroll_adjustments), reflow);
-}
-
-
-
-
-/* Virtual functions */
-static void
-e_reflow_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
-{
- GnomeCanvasItem *item;
- EReflow *reflow;
-
- item = GNOME_CANVAS_ITEM (o);
- reflow = E_REFLOW (o);
-
- switch (arg_id){
- case ARG_HEIGHT:
- reflow->height = GTK_VALUE_DOUBLE (*arg);
- reflow->need_reflow_columns = TRUE;
- e_canvas_item_request_reflow(item);
- break;
- case ARG_MINIMUM_WIDTH:
- reflow->minimum_width = GTK_VALUE_DOUBLE (*arg);
- if (GNOME_CANVAS_ITEM_REALIZED & GTK_OBJECT_FLAGS(o))
- set_empty(reflow);
- e_canvas_item_request_reflow(item);
- break;
- case ARG_EMPTY_MESSAGE:
- g_free(reflow->empty_message);
- reflow->empty_message = g_strdup(GTK_VALUE_STRING (*arg));
- if (GNOME_CANVAS_ITEM_REALIZED & GTK_OBJECT_FLAGS(o))
- set_empty(reflow);
- break;
- case ARG_MODEL:
- connect_model (reflow, (EReflowModel *) GTK_VALUE_OBJECT (*arg));
- break;
- }
-}
-
-static void
-e_reflow_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
-{
- EReflow *reflow;
-
- reflow = E_REFLOW (object);
-
- switch (arg_id) {
- case ARG_MINIMUM_WIDTH:
- GTK_VALUE_DOUBLE (*arg) = reflow->minimum_width;
- break;
- case ARG_WIDTH:
- GTK_VALUE_DOUBLE (*arg) = reflow->width;
- break;
- case ARG_HEIGHT:
- GTK_VALUE_DOUBLE (*arg) = reflow->height;
- break;
- case ARG_EMPTY_MESSAGE:
- GTK_VALUE_STRING (*arg) = g_strdup(reflow->empty_message);
- break;
- case ARG_MODEL:
- GTK_VALUE_OBJECT (*arg) = (GtkObject *) reflow->model;
- break;
- default:
- arg->type = GTK_TYPE_INVALID;
- break;
- }
-}
-
-static void
-e_reflow_destroy (GtkObject *object)
-{
- EReflow *reflow = E_REFLOW(object);
-
- g_free (reflow->items);
- g_free (reflow->heights);
- g_free (reflow->columns);
-
- reflow->items = NULL;
- reflow->heights = NULL;
- reflow->columns = NULL;
- reflow->count = 0;
- reflow->allocated_count = 0;
-
- if (reflow->incarnate_idle_id != 0)
- g_source_remove (reflow->incarnate_idle_id);
-
- disconnect_model (reflow);
- disconnect_selection (reflow);
-
- g_free(reflow->empty_message);
-
- GTK_OBJECT_CLASS(parent_class)->destroy (object);
-}
-
-static void
-e_reflow_realize (GnomeCanvasItem *item)
-{
- EReflow *reflow;
- GnomeCanvasGroup *group;
- GtkAdjustment *adjustment;
- int count;
- int i;
-
- reflow = E_REFLOW (item);
- group = GNOME_CANVAS_GROUP (item);
-
- if (GNOME_CANVAS_ITEM_CLASS(parent_class)->realize)
- (* GNOME_CANVAS_ITEM_CLASS(parent_class)->realize) (item);
-
- reflow->arrow_cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW);
- reflow->default_cursor = gdk_cursor_new (GDK_LEFT_PTR);
-
- count = reflow->count;
- for(i = 0; i < count; i++) {
- if (reflow->items[i])
- gnome_canvas_item_set(reflow->items[i],
- "width", (double) reflow->column_width,
- NULL);
- }
-
- set_empty(reflow);
-
- reflow->need_reflow_columns = TRUE;
- e_canvas_item_request_reflow(item);
-
- adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
-
- connect_set_adjustment (reflow);
- connect_adjustment (reflow, adjustment);
-
- adjustment->step_increment = (reflow->column_width + E_REFLOW_FULL_GUTTER) / 2;
- adjustment->page_increment = adjustment->page_size - adjustment->step_increment;
- gtk_adjustment_changed(adjustment);
-
- if (!item->canvas->aa) {
- }
-}
-
-static void
-e_reflow_unrealize (GnomeCanvasItem *item)
-{
- EReflow *reflow;
-
- reflow = E_REFLOW (item);
-
- if (!item->canvas->aa) {
- }
-
- gdk_cursor_destroy (reflow->arrow_cursor);
- gdk_cursor_destroy (reflow->default_cursor);
- reflow->arrow_cursor = NULL;
- reflow->default_cursor = NULL;
-
- g_free (reflow->columns);
- reflow->columns = NULL;
-
- disconnect_set_adjustment (reflow);
- disconnect_adjustment (reflow);
-
- if (GNOME_CANVAS_ITEM_CLASS(parent_class)->unrealize)
- (* GNOME_CANVAS_ITEM_CLASS(parent_class)->unrealize) (item);
-}
-
-static gboolean
-e_reflow_event (GnomeCanvasItem *item, GdkEvent *event)
-{
- EReflow *reflow;
- int return_val = FALSE;
-
- reflow = E_REFLOW (item);
-
- switch( event->type )
- {
- case GDK_KEY_PRESS:
- return_val = e_selection_model_key_press(reflow->selection, (GdkEventKey *) event);
- break;
-#if 0
- if (event->key.keyval == GDK_Tab ||
- event->key.keyval == GDK_KP_Tab ||
- event->key.keyval == GDK_ISO_Left_Tab) {
- int i;
- int count;
- count = reflow->count;
- for (i = 0; i < count; i++) {
- int unsorted = e_sorter_sorted_to_model (E_SORTER (reflow->sorter), i);
- GnomeCanvasItem *item = reflow->items[unsorted];
- EFocus has_focus;
- if (item) {
- gtk_object_get(GTK_OBJECT(item),
- "has_focus", &has_focus,
- NULL);
- if (has_focus) {
- if (event->key.state & GDK_SHIFT_MASK) {
- if (i == 0)
- return 0;
- i--;
- } else {
- if (i == count - 1)
- return 0;
- i++;
- }
-
- unsorted = e_sorter_sorted_to_model (E_SORTER (reflow->sorter), i);
- if (reflow->items[unsorted] == NULL) {
- reflow->items[unsorted] = e_reflow_model_incarnate (reflow->model, unsorted, GNOME_CANVAS_GROUP (reflow));
- }
-
- item = reflow->items[unsorted];
- gnome_canvas_item_set(item,
- "has_focus", (event->key.state & GDK_SHIFT_MASK) ? E_FOCUS_END : E_FOCUS_START,
- NULL);
- return 1;
- }
- }
- }
- }
-#endif
- break;
- case GDK_BUTTON_PRESS:
- switch(event->button.button)
- {
- case 1:
- {
- GdkEventButton *button = (GdkEventButton *) event;
- double n_x, max_x;
- n_x = button->x;
- n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
- n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));
-
- max_x = E_REFLOW_BORDER_WIDTH;
- max_x += (reflow->column_width + E_REFLOW_FULL_GUTTER) * reflow->column_count;
- if ( button->y >= E_REFLOW_BORDER_WIDTH && button->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > button->x ) {
- reflow->which_column_dragged = e_reflow_pick_line(reflow, button->x);
- reflow->start_x = reflow->which_column_dragged * (reflow->column_width + E_REFLOW_FULL_GUTTER) - E_REFLOW_DIVIDER_WIDTH / 2;
- reflow->temp_column_width = reflow->column_width;
- reflow->column_drag = TRUE;
-
- gnome_canvas_item_grab (item,
- GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK,
- reflow->arrow_cursor,
- button->time);
-
- reflow->previous_temp_column_width = -1;
- reflow->need_column_resize = TRUE;
- gnome_canvas_item_request_update(item);
- return TRUE;
- }
- }
- break;
- case 4:
- {
- GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
- gdouble new_value = adjustment->value;
- new_value -= adjustment->step_increment;
- gtk_adjustment_set_value(adjustment, new_value);
- }
- break;
- case 5:
- {
- GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
- gdouble new_value = adjustment->value;
- new_value += adjustment->step_increment;
- if ( new_value > adjustment->upper - adjustment->page_size )
- new_value = adjustment->upper - adjustment->page_size;
- gtk_adjustment_set_value(adjustment, new_value);
- }
- break;
- }
- break;
- case GDK_BUTTON_RELEASE:
- if (reflow->column_drag) {
- gdouble old_width = reflow->column_width;
- GdkEventButton *button = (GdkEventButton *) event;
- GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
- reflow->temp_column_width = reflow->column_width +
- (button->x - reflow->start_x)/(reflow->which_column_dragged - e_reflow_pick_line(reflow, adjustment->value));
- if ( reflow->temp_column_width < 50 )
- reflow->temp_column_width = 50;
- reflow->column_drag = FALSE;
- if ( old_width != reflow->temp_column_width ) {
- gtk_adjustment_set_value(adjustment, adjustment->value + e_reflow_pick_line(reflow, adjustment->value) * (reflow->temp_column_width - reflow->column_width));
- reflow->column_width = reflow->temp_column_width;
- adjustment->step_increment = (reflow->column_width + E_REFLOW_FULL_GUTTER) / 2;
- adjustment->page_increment = adjustment->page_size - adjustment->step_increment;
- gtk_adjustment_changed(adjustment);
- e_reflow_resize_children(item);
- e_canvas_item_request_reflow(item);
- }
- reflow->need_column_resize = TRUE;
- gnome_canvas_item_request_update(item);
- gnome_canvas_item_ungrab (item, button->time);
- return TRUE;
- }
- break;
- case GDK_MOTION_NOTIFY:
- if (reflow->column_drag) {
- double old_width = reflow->temp_column_width;
- GdkEventMotion *motion = (GdkEventMotion *) event;
- GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
- reflow->temp_column_width = reflow->column_width +
- (motion->x - reflow->start_x)/(reflow->which_column_dragged - e_reflow_pick_line(reflow, adjustment->value));
- if (reflow->temp_column_width < 50)
- reflow->temp_column_width = 50;
- if (old_width != reflow->temp_column_width) {
- reflow->need_column_resize = TRUE;
- gnome_canvas_item_request_update(item);
- }
- return TRUE;
- } else {
- GdkEventMotion *motion = (GdkEventMotion *) event;
- double n_x, max_x;
-
- n_x = motion->x;
- n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
- n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));
-
- max_x = E_REFLOW_BORDER_WIDTH;
- max_x += (reflow->column_width + E_REFLOW_FULL_GUTTER) * reflow->column_count;
-
- if ( motion->y >= E_REFLOW_BORDER_WIDTH && motion->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > motion->x) {
- if ( reflow->default_cursor_shown ) {
- gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->arrow_cursor);
- reflow->default_cursor_shown = FALSE;
- }
- } else
- if ( ! reflow->default_cursor_shown ) {
- gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->default_cursor);
- reflow->default_cursor_shown = TRUE;
- }
-
- }
- break;
- case GDK_ENTER_NOTIFY:
- if (!reflow->column_drag) {
- GdkEventCrossing *crossing = (GdkEventCrossing *) event;
- double n_x, max_x;
- n_x = crossing->x;
- n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
- n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));
-
- max_x = E_REFLOW_BORDER_WIDTH;
- max_x += (reflow->column_width + E_REFLOW_FULL_GUTTER) * reflow->column_count;
- if ( crossing->y >= E_REFLOW_BORDER_WIDTH && crossing->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > crossing->x) {
- if ( reflow->default_cursor_shown ) {
- gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->arrow_cursor);
- reflow->default_cursor_shown = FALSE;
- }
- }
- }
- break;
- case GDK_LEAVE_NOTIFY:
- if (!reflow->column_drag) {
- GdkEventCrossing *crossing = (GdkEventCrossing *) event;
- double n_x;
- n_x = crossing->x;
- n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
- n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));
- if ( !( crossing->y >= E_REFLOW_BORDER_WIDTH && crossing->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER ) ) {
- if ( ! reflow->default_cursor_shown ) {
- gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->default_cursor);
- reflow->default_cursor_shown = TRUE;
- }
- }
- }
- break;
- default:
- break;
- }
- if (return_val)
- return return_val;
- else if (GNOME_CANVAS_ITEM_CLASS( parent_class )->event)
- return (* GNOME_CANVAS_ITEM_CLASS( parent_class )->event) (item, event);
- else
- return FALSE;
-}
-
-static void e_reflow_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
- int x, int y, int width, int height)
-{
- int x_rect, y_rect, width_rect, height_rect;
- gdouble running_width;
- EReflow *reflow = E_REFLOW(item);
- int i;
- double column_width;
-
- if (GNOME_CANVAS_ITEM_CLASS(parent_class)->draw)
- GNOME_CANVAS_ITEM_CLASS(parent_class)->draw (item, drawable, x, y, width, height);
- column_width = reflow->column_width;
- running_width = E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
- x_rect = running_width;
- y_rect = E_REFLOW_BORDER_WIDTH;
- width_rect = E_REFLOW_DIVIDER_WIDTH;
- height_rect = reflow->height - (E_REFLOW_BORDER_WIDTH * 2);
-
- /* Compute first column to draw. */
- i = x;
- i /= column_width + E_REFLOW_FULL_GUTTER;
- running_width += i * (column_width + E_REFLOW_FULL_GUTTER);
-
- for ( ; i < reflow->column_count; i++) {
- if ( running_width > x + width )
- break;
- x_rect = running_width;
- gtk_paint_flat_box(GTK_WIDGET(item->canvas)->style,
- drawable,
- GTK_STATE_ACTIVE,
- GTK_SHADOW_NONE,
- NULL,
- GTK_WIDGET(item->canvas),
- "reflow",
- x_rect - x,
- y_rect - y,
- width_rect,
- height_rect);
- running_width += E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
- }
- if (reflow->column_drag) {
- int start_line = e_reflow_pick_line(reflow,
- gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas))->value);
- i = x - start_line * (column_width + E_REFLOW_FULL_GUTTER);
- running_width = start_line * (column_width + E_REFLOW_FULL_GUTTER);
- column_width = reflow->temp_column_width;
- running_width -= start_line * (column_width + E_REFLOW_FULL_GUTTER);
- i += start_line * (column_width + E_REFLOW_FULL_GUTTER);
- running_width += E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
- x_rect = running_width;
- y_rect = E_REFLOW_BORDER_WIDTH;
- width_rect = E_REFLOW_DIVIDER_WIDTH;
- height_rect = reflow->height - (E_REFLOW_BORDER_WIDTH * 2);
-
- /* Compute first column to draw. */
- i /= column_width + E_REFLOW_FULL_GUTTER;
- running_width += i * (column_width + E_REFLOW_FULL_GUTTER);
-
- for ( ; i < reflow->column_count; i++) {
- if ( running_width > x + width )
- break;
- x_rect = running_width;
- gdk_draw_rectangle(drawable,
- GTK_WIDGET(item->canvas)->style->fg_gc[GTK_STATE_NORMAL],
- TRUE,
- x_rect - x,
- y_rect - y,
- width_rect - 1,
- height_rect - 1);
- running_width += E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
- }
- }
-}
-
-static void
-e_reflow_update (GnomeCanvasItem *item, double affine[6], ArtSVP *clip_path, gint flags)
-{
- EReflow *reflow;
- double x0, x1, y0, y1;
-
- reflow = E_REFLOW (item);
-
- if (GNOME_CANVAS_ITEM_CLASS(parent_class)->update)
- GNOME_CANVAS_ITEM_CLASS(parent_class)->update (item, affine, clip_path, flags);
-
- x0 = item->x1;
- y0 = item->y1;
- x1 = item->x2;
- y1 = item->y2;
- if ( x1 < x0 + reflow->width )
- x1 = x0 + reflow->width;
- if ( y1 < y0 + reflow->height )
- y1 = y0 + reflow->height;
- item->x2 = x1;
- item->y2 = y1;
-
- if (reflow->need_height_update) {
- x0 = item->x1;
- y0 = item->y1;
- x1 = item->x2;
- y1 = item->y2;
- if ( x0 > 0 )
- x0 = 0;
- if ( y0 > 0 )
- y0 = 0;
- if ( x1 < E_REFLOW(item)->width )
- x1 = E_REFLOW(item)->width;
- if ( x1 < E_REFLOW(item)->height )
- x1 = E_REFLOW(item)->height;
-
- gnome_canvas_request_redraw(item->canvas, x0, y0, x1, y1);
- reflow->need_height_update = FALSE;
- } else if (reflow->need_column_resize) {
- int x_rect, y_rect, width_rect, height_rect;
- int start_line = e_reflow_pick_line(reflow,
- gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas))->value);
- gdouble running_width;
- int i;
- double column_width;
-
- if ( reflow->previous_temp_column_width != -1 ) {
- running_width = start_line * (reflow->column_width + E_REFLOW_FULL_GUTTER);
- column_width = reflow->previous_temp_column_width;
- running_width -= start_line * (column_width + E_REFLOW_FULL_GUTTER);
- running_width += E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
- y_rect = E_REFLOW_BORDER_WIDTH;
- width_rect = E_REFLOW_DIVIDER_WIDTH;
- height_rect = reflow->height - (E_REFLOW_BORDER_WIDTH * 2);
-
- for ( i = 0; i < reflow->column_count; i++) {
- x_rect = running_width;
- gnome_canvas_request_redraw(item->canvas, x_rect, y_rect, x_rect + width_rect, y_rect + height_rect);
- running_width += E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
- }
- }
-
- if ( reflow->temp_column_width != -1 ) {
- running_width = start_line * (reflow->column_width + E_REFLOW_FULL_GUTTER);
- column_width = reflow->temp_column_width;
- running_width -= start_line * (column_width + E_REFLOW_FULL_GUTTER);
- running_width += E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
- y_rect = E_REFLOW_BORDER_WIDTH;
- width_rect = E_REFLOW_DIVIDER_WIDTH;
- height_rect = reflow->height - (E_REFLOW_BORDER_WIDTH * 2);
-
- for ( i = 0; i < reflow->column_count; i++) {
- x_rect = running_width;
- gnome_canvas_request_redraw(item->canvas, x_rect, y_rect, x_rect + width_rect, y_rect + height_rect);
- running_width += E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
- }
- }
-
- reflow->previous_temp_column_width = reflow->temp_column_width;
- reflow->need_column_resize = FALSE;
- }
-}
-
-static double
-e_reflow_point (GnomeCanvasItem *item,
- double x, double y, int cx, int cy,
- GnomeCanvasItem **actual_item)
-{
- double distance = 1;
-
- *actual_item = NULL;
-
- if (GNOME_CANVAS_ITEM_CLASS(parent_class)->point)
- distance = GNOME_CANVAS_ITEM_CLASS(parent_class)->point (item, x, y, cx, cy, actual_item);
- if ((int) (distance * item->canvas->pixels_per_unit + 0.5) <= item->canvas->close_enough && *actual_item)
- return distance;
-
- *actual_item = item;
- return 0;
-#if 0
- if (y >= E_REFLOW_BORDER_WIDTH && y <= reflow->height - E_REFLOW_BORDER_WIDTH) {
- float n_x;
- n_x = x;
- n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
- n_x = fmod(n_x, (reflow->column_width + E_REFLOW_FULL_GUTTER));
- if (n_x < E_REFLOW_FULL_GUTTER) {
- *actual_item = item;
- return 0;
- }
- }
- return distance;
-#endif
-}
-
-static void
-e_reflow_reflow( GnomeCanvasItem *item, int flags )
-{
- EReflow *reflow = E_REFLOW(item);
- gdouble old_width;
- gdouble running_width;
- gdouble running_height;
- int next_column;
- int i;
-
- if (! (GTK_OBJECT_FLAGS (reflow) & GNOME_CANVAS_ITEM_REALIZED))
- return;
-
- if (reflow->need_reflow_columns) {
- reflow_columns (reflow);
- }
-
- old_width = reflow->width;
-
- running_width = E_REFLOW_BORDER_WIDTH;
- running_height = E_REFLOW_BORDER_WIDTH;
-
- next_column = 1;
-
- for (i = 0; i < reflow->count; i++) {
- int unsorted = e_sorter_sorted_to_model (E_SORTER (reflow->sorter), i);
- if (next_column < reflow->column_count && i == reflow->columns[next_column]) {
- running_height = E_REFLOW_BORDER_WIDTH;
- running_width += reflow->column_width + E_REFLOW_FULL_GUTTER;
- next_column ++;
- }
-
- if (unsorted >= 0 && reflow->items[unsorted]) {
- e_canvas_item_move_absolute(GNOME_CANVAS_ITEM(reflow->items[unsorted]),
- (double) running_width,
- (double) running_height);
- running_height += reflow->heights[unsorted] + E_REFLOW_BORDER_WIDTH;
- }
- }
- reflow->width = running_width + reflow->column_width + E_REFLOW_BORDER_WIDTH;
- if ( reflow->width < reflow->minimum_width )
- reflow->width = reflow->minimum_width;
- if (old_width != reflow->width)
- e_canvas_item_request_parent_reflow(item);
-}
-
-static int
-e_reflow_selection_event_real (EReflow *reflow, GnomeCanvasItem *item, GdkEvent *event)
-{
- int row;
- int return_val = TRUE;
- switch (event->type) {
- case GDK_BUTTON_PRESS:
- switch (event->button.button) {
- case 1: /* Fall through. */
- case 2:
- row = er_find_item (reflow, item);
- e_selection_model_do_something(reflow->selection, row, 0, event->button.state);
- break;
- case 3:
- row = er_find_item (reflow, item);
- e_selection_model_maybe_do_something(reflow->selection, row, 0, event->button.state);
- break;
- default:
- return_val = FALSE;
- break;
- }
- break;
- case GDK_KEY_PRESS:
- return_val = e_selection_model_key_press(reflow->selection, (GdkEventKey *) event);
- break;
- default:
- return_val = FALSE;
- break;
- }
-
- return return_val;
-}
-
-static void
-e_reflow_class_init (EReflowClass *klass)
-{
- GtkObjectClass *object_class;
- GnomeCanvasItemClass *item_class;
-
- object_class = (GtkObjectClass*) klass;
- item_class = (GnomeCanvasItemClass *) klass;
-
- parent_class = gtk_type_class (gnome_canvas_group_get_type ());
-
- gtk_object_add_arg_type ("EReflow::minimum_width", GTK_TYPE_DOUBLE,
- GTK_ARG_READWRITE, ARG_MINIMUM_WIDTH);
- gtk_object_add_arg_type ("EReflow::width", GTK_TYPE_DOUBLE,
- GTK_ARG_READABLE, ARG_WIDTH);
- gtk_object_add_arg_type ("EReflow::height", GTK_TYPE_DOUBLE,
- GTK_ARG_READWRITE, ARG_HEIGHT);
- gtk_object_add_arg_type ("EReflow::empty_message", GTK_TYPE_STRING,
- GTK_ARG_READWRITE, ARG_EMPTY_MESSAGE);
- gtk_object_add_arg_type ("EReflow::model", E_REFLOW_MODEL_TYPE,
- GTK_ARG_READWRITE, ARG_MODEL);
-
- signals [SELECTION_EVENT] =
- gtk_signal_new ("selection_event",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (EReflowClass, selection_event),
- e_marshal_INT__OBJECT_POINTER,
- GTK_TYPE_INT, 2, GTK_TYPE_OBJECT, GTK_TYPE_GDK_EVENT);
-
- gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
-
- object_class->set_arg = e_reflow_set_arg;
- object_class->get_arg = e_reflow_get_arg;
- object_class->destroy = e_reflow_destroy;
-
- /* GnomeCanvasItem method overrides */
- item_class->event = e_reflow_event;
- item_class->realize = e_reflow_realize;
- item_class->unrealize = e_reflow_unrealize;
- item_class->draw = e_reflow_draw;
- item_class->update = e_reflow_update;
- item_class->point = e_reflow_point;
-
- klass->selection_event = e_reflow_selection_event_real;
-}
-
-static void
-e_reflow_init (EReflow *reflow)
-{
- reflow->model = NULL;
- reflow->items = NULL;
- reflow->heights = NULL;
- reflow->count = 0;
-
- reflow->columns = NULL;
- reflow->column_count = 0;
-
- reflow->empty_text = NULL;
- reflow->empty_message = NULL;
-
- reflow->minimum_width = 10;
- reflow->width = 10;
- reflow->height = 10;
-
- reflow->column_width = 150;
-
- reflow->column_drag = FALSE;
-
- reflow->need_height_update = FALSE;
- reflow->need_column_resize = FALSE;
-
- reflow->default_cursor_shown = TRUE;
- reflow->arrow_cursor = NULL;
- reflow->default_cursor = NULL;
-
- reflow->incarnate_idle_id = 0;
-
- reflow->selection = E_SELECTION_MODEL (e_selection_model_simple_new());
- reflow->sorter = e_sorter_array_new (er_compare, reflow);
-
- gtk_object_set (GTK_OBJECT (reflow->selection),
- "sorter", reflow->sorter,
- NULL);
-
- reflow->selection_changed_id =
- gtk_signal_connect(GTK_OBJECT(reflow->selection), "selection_changed",
- GTK_SIGNAL_FUNC(selection_changed), reflow);
-
- e_canvas_item_set_reflow_callback(GNOME_CANVAS_ITEM(reflow), e_reflow_reflow);
-}
-
-GtkType
-e_reflow_get_type (void)
-{
- static GtkType type = 0;
-
- if (!type) {
- static const GtkTypeInfo info = {
- "EReflow",
- sizeof (EReflow),
- sizeof (EReflowClass),
- (GtkClassInitFunc) e_reflow_class_init,
- (GtkObjectInitFunc) e_reflow_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- type = gtk_type_unique (gnome_canvas_group_get_type (), &info);
- }
-
- return type;
-}