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authorChristopher James Lahey <clahey@helixcode.com>2000-04-08 03:12:56 +0800
committerChris Lahey <clahey@src.gnome.org>2000-04-08 03:12:56 +0800
commit7806215bdc77589af8488bf1d5db306864987b27 (patch)
tree9784d4dc483abe53bdab40a696e5629a4911604e /widgets/e-text/e-text.c
parent2eff9b0bd9cd4dcb81eca1725ccad37cf68c42fe (diff)
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Made text tooltips appear in place. Iain figured out that to get them to
2000-04-07 Christopher James Lahey <clahey@helixcode.com> * widgets/e-text/e-text.c: Made text tooltips appear in place. Iain figured out that to get them to not appear, we hide the tooltip when the mouse leaves the tooltip window, not the canvas item (this works because the tooltip window always covers the canvas item completely.) svn path=/trunk/; revision=2328
Diffstat (limited to 'widgets/e-text/e-text.c')
-rw-r--r--widgets/e-text/e-text.c82
1 files changed, 54 insertions, 28 deletions
diff --git a/widgets/e-text/e-text.c b/widgets/e-text/e-text.c
index 19dd826fe2..4b3831c30b 100644
--- a/widgets/e-text/e-text.c
+++ b/widgets/e-text/e-text.c
@@ -348,6 +348,9 @@ e_text_init (EText *text)
text->break_characters = NULL;
text->max_lines = -1;
+ text->tooltip_timeout = 0;
+ text->tooltip_count = 0;
+
e_canvas_item_set_reflow_callback(GNOME_CANVAS_ITEM(text), e_text_reflow);
}
@@ -2132,24 +2135,44 @@ _blink_scroll_timeout (gpointer data)
}
static gboolean
+tooltip_event(GtkWidget *tooltip, GdkEvent *event, EText *text)
+{
+ switch (event->type) {
+ case GDK_LEAVE_NOTIFY:
+ if (text->tooltip_window) {
+ gtk_widget_destroy (text->tooltip_window);
+ text->tooltip_window = NULL;
+ }
+ break;
+ default:
+ break;
+ }
+ return FALSE;
+}
+
+static gboolean
_do_tooltip (gpointer data)
{
EText *text = E_TEXT (data);
struct line *lines;
GtkWidget *canvas;
- gint x, y, pointer_x, pointer_y, scr_w, scr_h, tip_w, tip_h;
int i;
gdouble max_width;
gboolean cut_off;
+ double i2c[6];
+ ArtPoint origin = {0, 0};
+ ArtPoint pixel_origin;
+ int canvas_x, canvas_y;
- if (text->editing)
- return FALSE;
+ text->tooltip_count = 0;
lines = text->lines;
- if ( !lines )
+ if (text->tooltip_window || text->editing || (!lines)) {
+ text->tooltip_timeout = 0;
return FALSE;
-
+ }
+
cut_off = FALSE;
for ( lines = text->lines, i = 0; i < text->num_lines; lines++, i++ ) {
if (lines->length > lines->ellipsis_length) {
@@ -2157,12 +2180,18 @@ _do_tooltip (gpointer data)
break;
}
}
- if ( ! cut_off )
+ if ( ! cut_off ) {
+ text->tooltip_timeout = 0;
return FALSE;
+ }
- scr_w = gdk_screen_width ();
- scr_h = gdk_screen_height ();
- gdk_window_get_pointer (NULL, &pointer_x, &pointer_y, NULL);
+ gnome_canvas_item_i2c_affine(GNOME_CANVAS_ITEM(text), i2c);
+ art_affine_point (&pixel_origin, &origin, i2c);
+ gdk_window_get_origin (GTK_WIDGET(GNOME_CANVAS_ITEM(text)->canvas)->window, &canvas_x, &canvas_y);
+ pixel_origin.x += canvas_x;
+ pixel_origin.y += canvas_y;
+ pixel_origin.x -= (int) gtk_layout_get_hadjustment(GTK_LAYOUT(GNOME_CANVAS_ITEM(text)->canvas))->value;
+ pixel_origin.y -= (int) gtk_layout_get_vadjustment(GTK_LAYOUT(GNOME_CANVAS_ITEM(text)->canvas))->value;
text->tooltip_window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_container_set_border_width (GTK_CONTAINER (text->tooltip_window), 2);
@@ -2193,21 +2222,19 @@ _do_tooltip (gpointer data)
"clip", TRUE,
NULL);
- gtk_widget_set_usize (text->tooltip_window,
- (int)max_width + 4,
+ gtk_widget_set_usize (text->tooltip_window,
+ (int)max_width + 4,
text->height + 4);
- gnome_canvas_set_scroll_region (GNOME_CANVAS(canvas), 0.0, 0.0,
+ gnome_canvas_set_scroll_region (GNOME_CANVAS(canvas), 0.0, 0.0,
max_width, (double)text->height);
gtk_widget_show (canvas);
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);
+ gtk_signal_connect (GTK_OBJECT(text->tooltip_window), "event",
+ GTK_SIGNAL_FUNC(tooltip_event), text);
+ gtk_widget_popup (text->tooltip_window, pixel_origin.x - 2, pixel_origin.y - 2);
+
+ text->tooltip_timeout = 0;
return FALSE;
}
@@ -2312,13 +2339,13 @@ e_text_event (GnomeCanvasItem *item, GdkEvent *event)
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;
@@ -2355,9 +2382,12 @@ e_text_event (GnomeCanvasItem *item, GdkEvent *event)
}
break;
case GDK_ENTER_NOTIFY:
- if ( text->tooltip_count == 0 && text->clip)
- text->tooltip_timeout = gtk_timeout_add (1000, _do_tooltip, text);
+ if ( text->tooltip_count == 0 && text->clip) {
+ if (!text->tooltip_timeout)
+ text->tooltip_timeout = gtk_timeout_add (1000, _do_tooltip, text);
+ }
text->tooltip_count ++;
+
text->pointer_in = TRUE;
if (text->editing) {
if ( text->default_cursor_shown ) {
@@ -2374,12 +2404,8 @@ e_text_event (GnomeCanvasItem *item, GdkEvent *event)
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 ) {