aboutsummaryrefslogtreecommitdiffstats
path: root/widgets/e-reflow/e-reflow.c
diff options
context:
space:
mode:
authornobody <nobody@localhost>2000-08-22 20:05:30 +0800
committernobody <nobody@localhost>2000-08-22 20:05:30 +0800
commit91c020e631fd7161e8133774aa38ad3c4fc360be (patch)
tree3b4824784cd30983db4a6ae1f38db287d5815941 /widgets/e-reflow/e-reflow.c
parent44ae37c371e25fe05e8aee145f1d9af7130a201d (diff)
downloadgsoc2013-evolution-BONOBO_0_24.tar
gsoc2013-evolution-BONOBO_0_24.tar.gz
gsoc2013-evolution-BONOBO_0_24.tar.bz2
gsoc2013-evolution-BONOBO_0_24.tar.lz
gsoc2013-evolution-BONOBO_0_24.tar.xz
gsoc2013-evolution-BONOBO_0_24.tar.zst
gsoc2013-evolution-BONOBO_0_24.zip
This commit was manufactured by cvs2svn to create tag 'BONOBO_0_24'.BONOBO_0_24
svn path=/tags/BONOBO_0_24/; revision=4924
Diffstat (limited to 'widgets/e-reflow/e-reflow.c')
-rw-r--r--widgets/e-reflow/e-reflow.c859
1 files changed, 0 insertions, 859 deletions
diff --git a/widgets/e-reflow/e-reflow.c b/widgets/e-reflow/e-reflow.c
deleted file mode 100644
index 0e9c8b92b1..0000000000
--- a/widgets/e-reflow/e-reflow.c
+++ /dev/null
@@ -1,859 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-reflow.c
- * Copyright (C) 2000 Helix Code, 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 <gnome.h>
-#include <math.h>
-#include "e-reflow.h"
-#include "e-text.h"
-#include <e-util/e-canvas-utils.h>
-#include <e-util/e-canvas.h>
-#include <e-util/e-util.h>
-
-static void e_reflow_init (EReflow *reflow);
-static void e_reflow_class_init (EReflowClass *klass);
-static void e_reflow_set_arg (GtkObject *o, GtkArg *arg, guint arg_id);
-static void e_reflow_get_arg (GtkObject *object, GtkArg *arg, guint arg_id);
-static void e_reflow_destroy (GtkObject *object);
-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 e_reflow_real_add_item(EReflow *e_reflow, GnomeCanvasItem *item);
-static void set_empty(EReflow *e_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,
-};
-
-GtkType
-e_reflow_get_type (void)
-{
- static GtkType reflow_type = 0;
-
- if (!reflow_type)
- {
- static const GtkTypeInfo reflow_info =
- {
- "EReflow",
- sizeof (EReflow),
- sizeof (EReflowClass),
- (GtkClassInitFunc) e_reflow_class_init,
- (GtkObjectInitFunc) e_reflow_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- reflow_type = gtk_type_unique (gnome_canvas_group_get_type (), &reflow_info);
- }
-
- return reflow_type;
-}
-
-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);
-
- klass->add_item = e_reflow_real_add_item;
-
- 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;
-}
-
-static void
-e_reflow_init (EReflow *reflow)
-{
- reflow->items = NULL;
- reflow->columns = NULL;
- reflow->column_width = 150;
-
- reflow->minimum_width = 10;
- reflow->width = 10;
- reflow->height = 10;
- reflow->idle = 0;
-
- reflow->empty_message = NULL;
- reflow->empty_text = NULL;
-
- 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;
-
- e_canvas_item_set_reflow_callback(GNOME_CANVAS_ITEM(reflow), e_reflow_reflow);
-}
-
-static void
-e_reflow_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
-{
- GnomeCanvasItem *item;
- EReflow *e_reflow;
-
- item = GNOME_CANVAS_ITEM (o);
- e_reflow = E_REFLOW (o);
-
- switch (arg_id){
- case ARG_HEIGHT:
- e_reflow->height = GTK_VALUE_DOUBLE (*arg);
- e_canvas_item_request_reflow(item);
- break;
- case ARG_MINIMUM_WIDTH:
- e_reflow->minimum_width = GTK_VALUE_DOUBLE (*arg);
- if (GNOME_CANVAS_ITEM_REALIZED & GTK_OBJECT_FLAGS(o))
- set_empty(e_reflow);
- e_canvas_item_request_reflow(item);
- break;
- case ARG_EMPTY_MESSAGE:
- g_free(e_reflow->empty_message);
- e_reflow->empty_message = g_strdup(GTK_VALUE_STRING (*arg));
- if (GNOME_CANVAS_ITEM_REALIZED & GTK_OBJECT_FLAGS(o))
- set_empty(e_reflow);
- }
-}
-
-static void
-e_reflow_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
-{
- EReflow *e_reflow;
-
- e_reflow = E_REFLOW (object);
-
- switch (arg_id) {
- case ARG_MINIMUM_WIDTH:
- GTK_VALUE_DOUBLE (*arg) = e_reflow->minimum_width;
- break;
- case ARG_WIDTH:
- GTK_VALUE_DOUBLE (*arg) = e_reflow->width;
- break;
- case ARG_HEIGHT:
- GTK_VALUE_DOUBLE (*arg) = e_reflow->height;
- break;
- case ARG_EMPTY_MESSAGE:
- GTK_VALUE_STRING (*arg) = g_strdup(e_reflow->empty_message);
- break;
- default:
- arg->type = GTK_TYPE_INVALID;
- break;
- }
-}
-
-static void
-e_reflow_destroy (GtkObject *object)
-{
- EReflow *reflow = E_REFLOW(object);
-
- g_list_foreach(reflow->items, (GFunc) gtk_object_unref, NULL);
- g_list_free(reflow->items);
- reflow->items = NULL;
-
- g_free(reflow->empty_message);
-
- GTK_OBJECT_CLASS(parent_class)->destroy (object);
-}
-
-static void
-e_reflow_realize (GnomeCanvasItem *item)
-{
- EReflow *e_reflow;
- GnomeCanvasGroup *group;
- GList *list;
- GtkAdjustment *adjustment;
-
- e_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);
-
- e_reflow->arrow_cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW);
- e_reflow->default_cursor = gdk_cursor_new (GDK_LEFT_PTR);
-
- for(list = e_reflow->items; list; list = g_list_next(list)) {
- GnomeCanvasItem *item = GNOME_CANVAS_ITEM(list->data);
- gnome_canvas_item_set(item,
- "width", (double) e_reflow->column_width,
- NULL);
- }
-
- set_empty(e_reflow);
-
- e_canvas_item_request_reflow(item);
-
- adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
- adjustment->step_increment = (e_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 *e_reflow;
-
- e_reflow = E_REFLOW (item);
-
- if (!item->canvas->aa)
- {
- }
-
- gdk_cursor_destroy (e_reflow->arrow_cursor);
- gdk_cursor_destroy (e_reflow->default_cursor);
- e_reflow->arrow_cursor = NULL;
- e_reflow->default_cursor = NULL;
-
- g_list_free (e_reflow->columns);
- e_reflow->columns = NULL;
-
- if (GNOME_CANVAS_ITEM_CLASS(parent_class)->unrealize)
- (* GNOME_CANVAS_ITEM_CLASS(parent_class)->unrealize) (item);
-}
-
-static gint
-e_reflow_pick_line (EReflow *e_reflow, double x)
-{
- x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
- x /= e_reflow->column_width + E_REFLOW_FULL_GUTTER;
- return x;
-}
-
-static gboolean
-e_reflow_event (GnomeCanvasItem *item, GdkEvent *event)
-{
- EReflow *e_reflow;
-
- e_reflow = E_REFLOW (item);
-
- switch( event->type )
- {
- case GDK_KEY_PRESS:
- if (event->key.keyval == GDK_Tab ||
- event->key.keyval == GDK_KP_Tab ||
- event->key.keyval == GDK_ISO_Left_Tab) {
- GList *list;
- for (list = e_reflow->items; list; list = list->next) {
- GnomeCanvasItem *item = GNOME_CANVAS_ITEM (list->data);
- EFocus has_focus;
- gtk_object_get(GTK_OBJECT(item),
- "has_focus", &has_focus,
- NULL);
- if (has_focus) {
- if (event->key.state & GDK_SHIFT_MASK)
- list = list->prev;
- else
- list = list->next;
- if (list) {
- item = GNOME_CANVAS_ITEM(list->data);
- gnome_canvas_item_set(item,
- "has_focus", (event->key.state & GDK_SHIFT_MASK) ? E_FOCUS_END : E_FOCUS_START,
- NULL);
- return 1;
- } else {
- return 0;
- }
- }
- }
- }
- 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,(e_reflow->column_width + E_REFLOW_FULL_GUTTER));
-
- max_x = E_REFLOW_BORDER_WIDTH;
- max_x += (e_reflow->column_width + E_REFLOW_FULL_GUTTER) * e_reflow->column_count;
- if ( button->y >= E_REFLOW_BORDER_WIDTH && button->y <= e_reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > button->x ) {
- e_reflow->which_column_dragged = e_reflow_pick_line(e_reflow, button->x);
- e_reflow->start_x = e_reflow->which_column_dragged * (e_reflow->column_width + E_REFLOW_FULL_GUTTER) - E_REFLOW_DIVIDER_WIDTH / 2;
- e_reflow->temp_column_width = e_reflow->column_width;
- e_reflow->column_drag = TRUE;
-
- gnome_canvas_item_grab (item,
- GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK,
- e_reflow->arrow_cursor,
- button->time);
-
- e_reflow->previous_temp_column_width = -1;
- e_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 (e_reflow->column_drag) {
- gdouble old_width = e_reflow->column_width;
- GdkEventButton *button = (GdkEventButton *) event;
- GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
- e_reflow->temp_column_width = e_reflow->column_width +
- (button->x - e_reflow->start_x)/(e_reflow->which_column_dragged - e_reflow_pick_line(e_reflow, adjustment->value));
- if ( e_reflow->temp_column_width < 50 )
- e_reflow->temp_column_width = 50;
- e_reflow->column_drag = FALSE;
- if ( old_width != e_reflow->temp_column_width ) {
- gtk_adjustment_set_value(adjustment, adjustment->value + e_reflow_pick_line(e_reflow, adjustment->value) * (e_reflow->temp_column_width - e_reflow->column_width));
- e_reflow->column_width = e_reflow->temp_column_width;
- adjustment->step_increment = (e_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);
- }
- e_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 (e_reflow->column_drag) {
- double old_width = e_reflow->temp_column_width;
- GdkEventMotion *motion = (GdkEventMotion *) event;
- GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
- e_reflow->temp_column_width = e_reflow->column_width +
- (motion->x - e_reflow->start_x)/(e_reflow->which_column_dragged - e_reflow_pick_line(e_reflow, adjustment->value));
- if (e_reflow->temp_column_width < 50)
- e_reflow->temp_column_width = 50;
- if (old_width != e_reflow->temp_column_width) {
- e_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,(e_reflow->column_width + E_REFLOW_FULL_GUTTER));
-
- max_x = E_REFLOW_BORDER_WIDTH;
- max_x += (e_reflow->column_width + E_REFLOW_FULL_GUTTER) * e_reflow->column_count;
-
- if ( motion->y >= E_REFLOW_BORDER_WIDTH && motion->y <= e_reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > motion->x) {
- if ( e_reflow->default_cursor_shown ) {
- gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, e_reflow->arrow_cursor);
- e_reflow->default_cursor_shown = FALSE;
- }
- } else
- if ( ! e_reflow->default_cursor_shown ) {
- gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, e_reflow->default_cursor);
- e_reflow->default_cursor_shown = TRUE;
- }
-
- }
- break;
- case GDK_ENTER_NOTIFY:
- if (!e_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,(e_reflow->column_width + E_REFLOW_FULL_GUTTER));
-
- max_x = E_REFLOW_BORDER_WIDTH;
- max_x += (e_reflow->column_width + E_REFLOW_FULL_GUTTER) * e_reflow->column_count;
- if ( crossing->y >= E_REFLOW_BORDER_WIDTH && crossing->y <= e_reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > crossing->x) {
- if ( e_reflow->default_cursor_shown ) {
- gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, e_reflow->arrow_cursor);
- e_reflow->default_cursor_shown = FALSE;
- }
- }
- }
- break;
- case GDK_LEAVE_NOTIFY:
- if (!e_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,(e_reflow->column_width + E_REFLOW_FULL_GUTTER));
- if ( !( crossing->y >= E_REFLOW_BORDER_WIDTH && crossing->y <= e_reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER ) ) {
- if ( ! e_reflow->default_cursor_shown ) {
- gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, e_reflow->default_cursor);
- e_reflow->default_cursor_shown = TRUE;
- }
- }
- }
- break;
- default:
- break;
- }
-
- if (GNOME_CANVAS_ITEM_CLASS( parent_class )->event)
- return (* GNOME_CANVAS_ITEM_CLASS( parent_class )->event) (item, event);
- else
- return 0;
-}
-
-static void
-e_reflow_real_add_item(EReflow *e_reflow, GnomeCanvasItem *item)
-{
- e_reflow->items = g_list_append(e_reflow->items, item);
- gtk_object_ref(GTK_OBJECT(item));
- if ( GTK_OBJECT_FLAGS( e_reflow ) & GNOME_CANVAS_ITEM_REALIZED ) {
- gnome_canvas_item_set(item,
- "width", (double) e_reflow->column_width,
- NULL);
- e_reflow_post_add_item(e_reflow, item);
- e_canvas_item_request_reflow(item);
- }
-
-}
-
-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 *e_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 = e_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 = e_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 < e_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 (e_reflow->column_drag) {
- int start_line = e_reflow_pick_line(e_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 = e_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 = e_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 < e_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 *e_reflow;
- double x0, x1, y0, y1;
-
- e_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 + e_reflow->width )
- x1 = x0 + e_reflow->width;
- if ( y1 < y0 + e_reflow->height )
- y1 = y0 + e_reflow->height;
- item->x2 = x1;
- item->y2 = y1;
-
- if (e_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);
- e_reflow->need_height_update = FALSE;
- } else if (e_reflow->need_column_resize) {
- int x_rect, y_rect, width_rect, height_rect;
- int start_line = e_reflow_pick_line(e_reflow,
- gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas))->value);
- gdouble running_width;
- int i;
- double column_width;
-
- if ( e_reflow->previous_temp_column_width != -1 ) {
- running_width = start_line * (e_reflow->column_width + E_REFLOW_FULL_GUTTER);
- column_width = e_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 = e_reflow->height - (E_REFLOW_BORDER_WIDTH * 2);
-
- for ( i = 0; i < e_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 ( e_reflow->temp_column_width != -1 ) {
- running_width = start_line * (e_reflow->column_width + E_REFLOW_FULL_GUTTER);
- column_width = e_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 = e_reflow->height - (E_REFLOW_BORDER_WIDTH * 2);
-
- for ( i = 0; i < e_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;
- }
- }
-
- e_reflow->previous_temp_column_width = e_reflow->temp_column_width;
- e_reflow->need_column_resize = FALSE;
- }
-}
-
-static void
-e_reflow_resize_children (GnomeCanvasItem *item)
-{
- GList *list;
- EReflow *e_reflow;
-
- e_reflow = E_REFLOW (item);
- for ( list = e_reflow->items; list; list = list->next ) {
- GnomeCanvasItem *child = GNOME_CANVAS_ITEM(list->data);
- gnome_canvas_item_set(child,
- "width", (double) e_reflow->column_width,
- NULL);
- }
-}
-
-static double
-e_reflow_point (GnomeCanvasItem *item,
- double x, double y, int cx, int cy,
- GnomeCanvasItem **actual_item)
-{
- double distance = 1;
-
- if (GNOME_CANVAS_ITEM_CLASS(parent_class)->point)
- distance = GNOME_CANVAS_ITEM_CLASS(parent_class)->point (item, x, y, cx, cy, actual_item);
- if (*actual_item)
- return 0;
-
- *actual_item = item;
- return 0;
-#if 0
- if (y >= E_REFLOW_BORDER_WIDTH && y <= e_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, (e_reflow->column_width + E_REFLOW_FULL_GUTTER));
- if (n_x < E_REFLOW_FULL_GUTTER) {
- *actual_item = item;
- return 0;
- }
- }
- return distance;
-#endif
-}
-
-static void
-_reflow( EReflow *e_reflow )
-{
- gdouble running_height;
- GList *list;
- double item_height;
-
- if (e_reflow->columns) {
- g_list_free (e_reflow->columns);
- e_reflow->columns = NULL;
- }
-
- e_reflow->column_count = 0;
-
- if (e_reflow->items == NULL) {
- e_reflow->columns = NULL;
- e_reflow->column_count = 0;
- return;
- }
-
- list = e_reflow->items;
-
- gtk_object_get (GTK_OBJECT(list->data),
- "height", &item_height,
- NULL);
- running_height = E_REFLOW_BORDER_WIDTH + item_height + E_REFLOW_BORDER_WIDTH;
- e_reflow->columns = g_list_append (e_reflow->columns, list);
- e_reflow->column_count = 1;
-
- list = g_list_next(list);
-
- for ( ; list; list = g_list_next(list)) {
- gtk_object_get (GTK_OBJECT(list->data),
- "height", &item_height,
- NULL);
- if (running_height + item_height + E_REFLOW_BORDER_WIDTH > e_reflow->height) {
- running_height = E_REFLOW_BORDER_WIDTH + item_height + E_REFLOW_BORDER_WIDTH;
- e_reflow->columns = g_list_append (e_reflow->columns, list);
- e_reflow->column_count ++;
- } else {
- running_height += item_height + E_REFLOW_BORDER_WIDTH;
- }
- }
-}
-
-static void
-set_empty(EReflow *e_reflow)
-{
- if (e_reflow->items == NULL) {
- if (e_reflow->empty_text) {
- if (e_reflow->empty_message) {
- gnome_canvas_item_set(e_reflow->empty_text,
- "width", e_reflow->minimum_width,
- "text", e_reflow->empty_message,
- NULL);
- e_canvas_item_move_absolute(e_reflow->empty_text,
- e_reflow->minimum_width / 2,
- 0);
- } else {
- gtk_object_destroy(GTK_OBJECT(e_reflow->empty_text));
- e_reflow->empty_text = NULL;
- }
- } else {
- if (e_reflow->empty_message)
- e_reflow->empty_text =
- gnome_canvas_item_new(GNOME_CANVAS_GROUP(e_reflow),
- e_text_get_type(),
- "anchor", GTK_ANCHOR_N,
- "width", e_reflow->minimum_width,
- "clip", TRUE,
- "use_ellipsis", TRUE,
- "font_gdk", GTK_WIDGET(GNOME_CANVAS_ITEM(e_reflow)->canvas)->style->font,
- "fill_color", "black",
- "justification", GTK_JUSTIFY_CENTER,
- "text", e_reflow->empty_message,
- NULL);
- e_canvas_item_move_absolute(e_reflow->empty_text,
- e_reflow->minimum_width / 2,
- 0);
- }
- } else {
- if (e_reflow->empty_text) {
- gtk_object_destroy(GTK_OBJECT(e_reflow->empty_text));
- e_reflow->empty_text = NULL;
- }
- }
-}
-
-static void
-e_reflow_reflow( GnomeCanvasItem *item, int flags )
-{
- EReflow *e_reflow = E_REFLOW(item);
- if ( GTK_OBJECT_FLAGS( e_reflow ) & GNOME_CANVAS_ITEM_REALIZED ) {
-
- gdouble old_width;
- gdouble running_width;
-
- _reflow (e_reflow);
-
- old_width = e_reflow->width;
-
- running_width = E_REFLOW_BORDER_WIDTH;
-
- if (e_reflow->items == NULL) {
- } else {
- GList *list;
- GList *next_column;
- gdouble item_height;
- gdouble running_height;
-
- running_height = E_REFLOW_BORDER_WIDTH;
-
- list = e_reflow->items;
- gtk_object_get (GTK_OBJECT(list->data),
- "height", &item_height,
- NULL);
- e_canvas_item_move_absolute(GNOME_CANVAS_ITEM(list->data),
- (double) running_width,
- (double) running_height);
- running_height += item_height + E_REFLOW_BORDER_WIDTH;
- next_column = g_list_next(e_reflow->columns);
- list = g_list_next(list);
-
- for( ; list; list = g_list_next(list)) {
- gtk_object_get (GTK_OBJECT(list->data),
- "height", &item_height,
- NULL);
-
- if (next_column && (next_column->data == list)) {
- next_column = g_list_next (next_column);
- running_height = E_REFLOW_BORDER_WIDTH;
- running_width += e_reflow->column_width + E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH;
- }
- e_canvas_item_move_absolute(GNOME_CANVAS_ITEM(list->data),
- (double) running_width,
- (double) running_height);
-
- running_height += item_height + E_REFLOW_BORDER_WIDTH;
- }
-
- }
- e_reflow->width = running_width + e_reflow->column_width + E_REFLOW_BORDER_WIDTH;
- if ( e_reflow->width < e_reflow->minimum_width )
- e_reflow->width = e_reflow->minimum_width;
- if (old_width != e_reflow->width)
- e_canvas_item_request_parent_reflow(item);
- }
-}
-
-void
-e_reflow_add_item(EReflow *e_reflow, GnomeCanvasItem *item)
-{
- if (E_REFLOW_CLASS(GTK_OBJECT(e_reflow)->klass)->add_item)
- (E_REFLOW_CLASS(GTK_OBJECT(e_reflow)->klass)->add_item) (e_reflow, item);
-}
-
-void
-e_reflow_post_add_item(EReflow *e_reflow, GnomeCanvasItem *item)
-{
- set_empty(e_reflow);
-}