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Show the text of the item, in a tooltip style. (e_text_event): Add a

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2000-02-20  Iain Holmes  <ih@csd.abdn.ac.uk>

	* widgets/e-text/e-text.[ch] (_do_tooltip): Show the text of the item,
	in a tooltip style.
	(e_text_event): Add a timeout on the Enter and remove it on the Leave
	events.

	* e-text-test.c: New file to test e-text items.

svn path=/trunk/; revision=1866
This commit is contained in:
Iain Holmes
2000-02-20 16:17:08 +00:00
committed by iholmes
parent 410ce5daf5
commit 113c276df8
7 changed files with 323 additions and 2 deletions
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ChangeLog
+9
View File
@@ -1,3 +1,12 @@
2000-02-20 Iain Holmes <ih@csd.abdn.ac.uk>
* widgets/e-text/e-text.[ch] (_do_tooltip): Show the text of the item,
in a tooltip style.
(e_text_event): Add a timeout on the Enter and remove it on the Leave
events.
* e-text-test.c: New file to test e-text items.
2000-02-20 Matt Loper <matt@helixcode.com>
* .cvsignore: added ABOUT-NLS.
widgets/e-text/e-text-test.c
+104
View File
@@ -0,0 +1,104 @@
/*
ETextTest: E-Text item test program
Copyright (C)2000: Iain Holmes <ih@csd.abdn.ac.uk>
This code is licensed under the GPL
*/
#include "e-text.h"
#include <gnome.h>
void
quit_cb (GtkWidget *widget,
gpointer data)
{
gtk_main_quit ();
}
void
change_text_cb (GtkEntry *entry,
EText *text)
{
gchar *str;
str = gtk_entry_get_text (entry);
gnome_canvas_item_set (GNOME_CANVAS_ITEM (text),
"text", str,
NULL);
}
void
change_font_cb (GtkEntry *entry,
EText *text)
{
gchar *font;
font = gtk_entry_get_text (entry);
gnome_canvas_item_set (GNOME_CANVAS_ITEM (text),
"font", font,
NULL);
}
int
main (int argc,
char **argv)
{
GtkWidget *window, *canvas, *scroller, *vbox, *text, *font;
GtkWidget *frame;
GnomeCanvasItem *item;
gnome_init ("ETextTest", "0.0.1", argc, argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "EText Test");
gtk_signal_connect (GTK_OBJECT (window), "destroy",
GTK_SIGNAL_FUNC (quit_cb), NULL);
gtk_widget_push_visual (gdk_rgb_get_visual ());
gtk_widget_push_colormap (gdk_rgb_get_cmap ());
canvas = gnome_canvas_new ();
gtk_widget_pop_visual ();
gtk_widget_pop_colormap ();
scroller = gtk_scrolled_window_new (NULL, NULL);
vbox = gtk_vbox_new (FALSE, 2);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_box_pack_start (GTK_BOX (vbox), scroller, TRUE, TRUE, 2);
gtk_container_add (GTK_CONTAINER (scroller), canvas);
frame = gtk_frame_new ("Text");
text = gtk_entry_new ();
gtk_container_add (GTK_CONTAINER (frame), text);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
frame = gtk_frame_new ("Font");
font = gtk_entry_new ();
gtk_container_add (GTK_CONTAINER (frame), font);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
item = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (canvas)),
e_text_get_type (),
"text", "Hello World! This is a really long string to test out the ellipsis stuff.",
"x", 10.0,
"y", 10.0,
"font", "-adobe-helvetica-medium-r-normal--12-*-72-72-p-*-iso8859-1",
"fill_color", "black",
"anchor", GTK_ANCHOR_NW,
"use_ellipsis", TRUE,
"ellipsis", "...",
"editable", TRUE,
"line_wrap", TRUE,
"max_lines", 3,
"clip_width", 150.0,
NULL);
gtk_signal_connect (GTK_OBJECT (text), "activate",
GTK_SIGNAL_FUNC (change_text_cb), item);
gtk_signal_connect (GTK_OBJECT (font), "activate",
GTK_SIGNAL_FUNC (change_font_cb), item);
gnome_canvas_set_scroll_region (GNOME_CANVAS (canvas), 0.0, 0.0, 400.0, 400.0);
gtk_widget_show_all (window);
gtk_main ();
return 0;
}
widgets/e-text/e-text.c
+50 -1
View File
@@ -332,7 +332,7 @@ e_text_destroy (GtkObject *object)
EText *text;
g_return_if_fail (object != NULL);
g_return_if_fail (GNOME_IS_CANVAS_TEXT (object));
g_return_if_fail (E_IS_TEXT (object));
text = E_TEXT (object);
@@ -1823,6 +1823,48 @@ _blink_scroll_timeout (gpointer data)
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;
lines = text->lines;
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);
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)
{
@@ -1951,6 +1993,7 @@ e_text_event (GnomeCanvasItem *item, GdkEvent *event)
}
break;
case GDK_ENTER_NOTIFY:
text->tooltip_timeout = gtk_timeout_add (3000, _do_tooltip, text);
text->pointer_in = TRUE;
if (text->editing) {
if ( text->default_cursor_shown ) {
@@ -1960,6 +2003,12 @@ e_text_event (GnomeCanvasItem *item, GdkEvent *event)
}
break;
case GDK_LEAVE_NOTIFY:
gtk_timeout_remove (text->tooltip_timeout);
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 ) {
widgets/e-text/e-text.h
+3
View File
@@ -173,6 +173,9 @@ struct _EText {
GdkCursor *default_cursor; /* Default cursor (arrow) */
GdkCursor *i_cursor; /* I beam cursor */
gint tooltip_timeout; /* Timeout for the tooltip */
GtkWidget *tooltip_window; /* GtkWindow for displaying the tooltip */
};
struct _ETextClass {
widgets/text/e-text-test.c
+104
View File
@@ -0,0 +1,104 @@
/*
ETextTest: E-Text item test program
Copyright (C)2000: Iain Holmes <ih@csd.abdn.ac.uk>
This code is licensed under the GPL
*/
#include "e-text.h"
#include <gnome.h>
void
quit_cb (GtkWidget *widget,
gpointer data)
{
gtk_main_quit ();
}
void
change_text_cb (GtkEntry *entry,
EText *text)
{
gchar *str;
str = gtk_entry_get_text (entry);
gnome_canvas_item_set (GNOME_CANVAS_ITEM (text),
"text", str,
NULL);
}
void
change_font_cb (GtkEntry *entry,
EText *text)
{
gchar *font;
font = gtk_entry_get_text (entry);
gnome_canvas_item_set (GNOME_CANVAS_ITEM (text),
"font", font,
NULL);
}
int
main (int argc,
char **argv)
{
GtkWidget *window, *canvas, *scroller, *vbox, *text, *font;
GtkWidget *frame;
GnomeCanvasItem *item;
gnome_init ("ETextTest", "0.0.1", argc, argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "EText Test");
gtk_signal_connect (GTK_OBJECT (window), "destroy",
GTK_SIGNAL_FUNC (quit_cb), NULL);
gtk_widget_push_visual (gdk_rgb_get_visual ());
gtk_widget_push_colormap (gdk_rgb_get_cmap ());
canvas = gnome_canvas_new ();
gtk_widget_pop_visual ();
gtk_widget_pop_colormap ();
scroller = gtk_scrolled_window_new (NULL, NULL);
vbox = gtk_vbox_new (FALSE, 2);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_box_pack_start (GTK_BOX (vbox), scroller, TRUE, TRUE, 2);
gtk_container_add (GTK_CONTAINER (scroller), canvas);
frame = gtk_frame_new ("Text");
text = gtk_entry_new ();
gtk_container_add (GTK_CONTAINER (frame), text);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
frame = gtk_frame_new ("Font");
font = gtk_entry_new ();
gtk_container_add (GTK_CONTAINER (frame), font);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
item = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (canvas)),
e_text_get_type (),
"text", "Hello World! This is a really long string to test out the ellipsis stuff.",
"x", 10.0,
"y", 10.0,
"font", "-adobe-helvetica-medium-r-normal--12-*-72-72-p-*-iso8859-1",
"fill_color", "black",
"anchor", GTK_ANCHOR_NW,
"use_ellipsis", TRUE,
"ellipsis", "...",
"editable", TRUE,
"line_wrap", TRUE,
"max_lines", 3,
"clip_width", 150.0,
NULL);
gtk_signal_connect (GTK_OBJECT (text), "activate",
GTK_SIGNAL_FUNC (change_text_cb), item);
gtk_signal_connect (GTK_OBJECT (font), "activate",
GTK_SIGNAL_FUNC (change_font_cb), item);
gnome_canvas_set_scroll_region (GNOME_CANVAS (canvas), 0.0, 0.0, 400.0, 400.0);
gtk_widget_show_all (window);
gtk_main ();
return 0;
}
widgets/text/e-text.c
+50 -1
View File
@@ -332,7 +332,7 @@ e_text_destroy (GtkObject *object)
EText *text;
g_return_if_fail (object != NULL);
g_return_if_fail (GNOME_IS_CANVAS_TEXT (object));
g_return_if_fail (E_IS_TEXT (object));
text = E_TEXT (object);
@@ -1823,6 +1823,48 @@ _blink_scroll_timeout (gpointer data)
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;
lines = text->lines;
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);
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)
{
@@ -1951,6 +1993,7 @@ e_text_event (GnomeCanvasItem *item, GdkEvent *event)
}
break;
case GDK_ENTER_NOTIFY:
text->tooltip_timeout = gtk_timeout_add (3000, _do_tooltip, text);
text->pointer_in = TRUE;
if (text->editing) {
if ( text->default_cursor_shown ) {
@@ -1960,6 +2003,12 @@ e_text_event (GnomeCanvasItem *item, GdkEvent *event)
}
break;
case GDK_LEAVE_NOTIFY:
gtk_timeout_remove (text->tooltip_timeout);
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 ) {
widgets/text/e-text.h
+3
View File
@@ -173,6 +173,9 @@ struct _EText {
GdkCursor *default_cursor; /* Default cursor (arrow) */
GdkCursor *i_cursor; /* I beam cursor */
gint tooltip_timeout; /* Timeout for the tooltip */
GtkWidget *tooltip_window; /* GtkWindow for displaying the tooltip */
};
struct _ETextClass {