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-rw-r--r--widgets/e-reflow.c192
1 files changed, 156 insertions, 36 deletions
diff --git a/widgets/e-reflow.c b/widgets/e-reflow.c
index 41be2ec533..96773a2445 100644
--- a/widgets/e-reflow.c
+++ b/widgets/e-reflow.c
@@ -21,6 +21,7 @@
*/
#include <gnome.h>
+#include <math.h>
#include "e-reflow.h"
#include "e-canvas-utils.h"
static void e_reflow_init (EReflow *card);
@@ -132,6 +133,13 @@ e_reflow_init (EReflow *reflow)
reflow->idle = 0;
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;
}
static void
@@ -146,8 +154,7 @@ e_reflow_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
switch (arg_id){
case ARG_HEIGHT:
e_reflow->height = GTK_VALUE_DOUBLE (*arg);
- _update_reflow(e_reflow);
- gnome_canvas_item_request_update (item);
+ _queue_reflow(e_reflow);
break;
}
}
@@ -185,6 +192,9 @@ e_reflow_realize (GnomeCanvasItem *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);
gtk_signal_connect(GTK_OBJECT(item),
@@ -196,7 +206,7 @@ e_reflow_realize (GnomeCanvasItem *item)
NULL);
}
- _update_reflow( e_reflow );
+ _queue_reflow( e_reflow );
if (!item->canvas->aa) {
}
@@ -213,6 +223,9 @@ e_reflow_unrealize (GnomeCanvasItem *item)
{
}
+ gdk_cursor_destroy (e_reflow->arrow_cursor);
+ gdk_cursor_destroy (e_reflow->default_cursor);
+
g_list_free (e_reflow->items);
g_list_free (e_reflow->columns);
@@ -221,9 +234,9 @@ e_reflow_unrealize (GnomeCanvasItem *item)
}
static gint
-e_reflow_pick_line (EReflow *e_reflow, gint x)
+e_reflow_pick_line (EReflow *e_reflow, double x)
{
- x += 6;
+ x += 9;
x /= e_reflow->column_width + 16;
return x;
}
@@ -269,15 +282,23 @@ e_reflow_event (GnomeCanvasItem *item, GdkEvent *event)
case GDK_BUTTON_PRESS:
{
GdkEventButton *button = (GdkEventButton *) event;
- int n_x;
+ double n_x;
n_x = button->x;
- n_x += 3;
- n_x %= (int)(e_reflow->column_width + 16);
- if ( button->y >= 7 && button->y <= e_reflow->height - 7 && n_x < 4 ) {
+ n_x += 9;
+ n_x = fmod(n_x,(e_reflow->column_width + 16));
+ if ( button->y >= 7 && button->y <= e_reflow->height - 7 && n_x < 16 ) {
e_reflow->which_column_dragged = e_reflow_pick_line(e_reflow, button->x);
- e_reflow->start_x = button->x;
+ e_reflow->start_x = e_reflow->which_column_dragged * (e_reflow->column_width + 16) - 1;
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;
}
@@ -294,8 +315,8 @@ e_reflow_event (GnomeCanvasItem *item, GdkEvent *event)
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;
e_reflow->column_drag = FALSE;
- _update_reflow(e_reflow);
- gnome_canvas_item_request_update(item);
+ _queue_reflow(e_reflow);
+ gnome_canvas_item_ungrab (item, button->time);
return TRUE;
}
break;
@@ -308,9 +329,58 @@ e_reflow_event (GnomeCanvasItem *item, GdkEvent *event)
(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)
+ 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;
+ n_x = motion->x;
+ n_x += 9;
+ n_x = fmod(n_x,(e_reflow->column_width + 16));
+ if ( motion->y >= 7 && motion->y <= e_reflow->height - 7 && n_x < 16 ) {
+ 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;
+ n_x = crossing->x;
+ n_x += 9;
+ n_x = fmod(n_x,(e_reflow->column_width + 16));
+ if ( crossing->y >= 7 && crossing->y <= e_reflow->height - 7 && n_x < 16 ) {
+ 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 += 9;
+ n_x = fmod(n_x,(e_reflow->column_width + 16));
+ if ( !( crossing->y >= 7 && crossing->y <= e_reflow->height - 7 && n_x < 16 ) ) {
+ 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:
@@ -344,7 +414,7 @@ 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;
- gint running_width;
+ gdouble running_width;
EReflow *e_reflow = E_REFLOW(item);
int i;
double column_width;
@@ -417,25 +487,73 @@ static void e_reflow_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
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 ( 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_update_bbox(item, x0, y0, x1, 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 + 16);
+ column_width = e_reflow->previous_temp_column_width;
+ running_width -= start_line * (column_width + 16);
+ running_width += 7 + column_width + 7;
+ y_rect = 7;
+ width_rect = 2;
+ height_rect = e_reflow->height - 14;
+
+ for ( i = 0; i < e_reflow->column_count - 1; 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 += 2 + 7 + column_width + 7;
+ }
+ }
+
+ if ( e_reflow->temp_column_width != -1 ) {
+ running_width = start_line * (e_reflow->column_width + 16);
+ column_width = e_reflow->temp_column_width;
+ running_width -= start_line * (column_width + 16);
+ running_width += 7 + column_width + 7;
+ y_rect = 7;
+ width_rect = 2;
+ height_rect = e_reflow->height - 14;
+
+ for ( i = 0; i < e_reflow->column_count - 1; 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 += 2 + 7 + column_width + 7;
+ }
+ }
+
+ e_reflow->previous_temp_column_width = e_reflow->temp_column_width;
+ e_reflow->need_column_resize = FALSE;
+ }
}
static double
@@ -452,11 +570,11 @@ e_reflow_point (GnomeCanvasItem *item,
return 0;
if (y >= 7 && y <= e_reflow->height - 7) {
- int n_x;
+ float n_x;
n_x = x;
- n_x += 3;
- n_x %= (int)(e_reflow->column_width + 16);
- if (n_x < 4) {
+ n_x += 9.0;
+ n_x = fmod(n_x, (e_reflow->column_width + 16));
+ if (n_x < 16.0) {
*actual_item = item;
return 0;
}
@@ -467,7 +585,7 @@ e_reflow_point (GnomeCanvasItem *item,
static void
_reflow( EReflow *e_reflow )
{
- int running_height;
+ gdouble running_height;
GList *list;
double item_height;
@@ -514,8 +632,8 @@ _update_reflow( EReflow *e_reflow )
{
if ( GTK_OBJECT_FLAGS( e_reflow ) & GNOME_CANVAS_ITEM_REALIZED ) {
- gint old_width;
- gint running_width;
+ gdouble old_width;
+ gdouble running_width;
_reflow (e_reflow);
@@ -528,7 +646,7 @@ _update_reflow( EReflow *e_reflow )
GList *list;
GList *next_column;
gdouble item_height;
- gint running_height;
+ gdouble running_height;
running_height = 7;
@@ -579,6 +697,8 @@ _idle_reflow(gpointer data)
{
EReflow *e_reflow = E_REFLOW(data);
_update_reflow(e_reflow);
+ e_reflow->need_height_update = TRUE;
+ gnome_canvas_item_request_update(GNOME_CANVAS_ITEM(e_reflow));
e_reflow->idle = 0;
return FALSE;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 02:16:32 +0800