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show a custom tooltip for menu items and inform the user the she can get 

2008-03-28  Sven Neumann  <sven@gimp.org>

	* libgimpwidgets/gimphelpui.c: show a custom tooltip for menu
	items and inform the user the she can get more help by pressing F1.

svn path=/trunk/; revision=25273
This commit is contained in:
Sven Neumann 2008-03-28 11:02:37 +00:00 committed by Sven Neumann
parent c6da8a38ca
commit a152374bdd
2 changed files with 120 additions and 30 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2008-03-28 Sven Neumann <sven@gimp.org>
* libgimpwidgets/gimphelpui.c: show a custom tooltip for menu
items and inform the user the she can get more help by pressing F1.
2008-03-28 Sven Neumann <sven@gimp.org>
* libgimpwidgets/gimphelpui.c: updated documentation.

145
libgimpwidgets/gimphelpui.c
View File

@ -25,12 +25,11 @@
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "gimpwidgetstypes.h"
#include "gimpdialog.h"
#include "gimphelpui.h"
#include "gimpwidgets.h"
#include "gimpwidgets-private.h"
#include "libgimp/libgimp-intl.h"
typedef enum
{
@ -46,21 +45,29 @@ static gboolean tooltips_enable_called = FALSE;
/* local function prototypes */
static const gchar * gimp_help_get_help_data (GtkWidget *widget,
GtkWidget **help_widget,
gpointer *ret_data);
static gboolean gimp_help_callback (GtkWidget *widget,
GimpWidgetHelpType help_type,
GimpHelpFunc help_func);
static const gchar * gimp_help_get_help_data (GtkWidget *widget,
GtkWidget **help_widget,
gpointer *ret_data);
static gboolean gimp_help_callback (GtkWidget *widget,
GimpWidgetHelpType help_type,
GimpHelpFunc help_func);
static gboolean gimp_context_help_idle_start (gpointer widget);
static gboolean gimp_context_help_button_press (GtkWidget *widget,
GdkEventButton *bevent,
gpointer data);
static gboolean gimp_context_help_key_press (GtkWidget *widget,
GdkEventKey *kevent,
gpointer data);
static gboolean gimp_context_help_idle_show_help (gpointer data);
static void gimp_help_menu_item_set_tooltip (GtkWidget *widget,
const gchar *tooltip,
const gchar *help_id);
static gboolean gimp_help_menu_item_query_tooltip (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_mode,
GtkTooltip *tooltip);
static gboolean gimp_context_help_idle_start (gpointer widget);
static gboolean gimp_context_help_button_press (GtkWidget *widget,
GdkEventButton *bevent,
gpointer data);
static gboolean gimp_context_help_key_press (GtkWidget *widget,
GdkEventKey *kevent,
gpointer data);
static gboolean gimp_context_help_idle_show_help (gpointer data);
/* public functions */
@ -204,7 +211,12 @@ gimp_help_set_help_data (GtkWidget *widget,
g_return_if_fail (GTK_IS_WIDGET (widget));
if (tooltips_enabled)
gtk_widget_set_tooltip_text (widget, tooltip);
{
gtk_widget_set_tooltip_text (widget, tooltip);
if (GTK_IS_MENU_ITEM (widget))
gimp_help_menu_item_set_tooltip (widget, tooltip, help_id);
}
g_object_set_qdata (G_OBJECT (widget), GIMP_HELP_ID, (gpointer) help_id);
}
@ -229,7 +241,12 @@ gimp_help_set_help_data_with_markup (GtkWidget *widget,
g_return_if_fail (GTK_IS_WIDGET (widget));
if (tooltips_enabled)
gtk_widget_set_tooltip_markup (widget, tooltip);
{
gtk_widget_set_tooltip_markup (widget, tooltip);
if (GTK_IS_MENU_ITEM (widget))
gimp_help_menu_item_set_tooltip (widget, tooltip, help_id);
}
g_object_set_qdata (G_OBJECT (widget), GIMP_HELP_ID, (gpointer) help_id);
}
@ -286,8 +303,8 @@ gimp_help_get_help_data (GtkWidget *widget,
GtkWidget **help_widget,
gpointer *ret_data)
{
gchar *help_id = NULL;
gpointer help_data = NULL;
const gchar *help_id = NULL;
gpointer help_data = NULL;
for (; widget; widget = widget->parent)
{
@ -302,7 +319,7 @@ gimp_help_get_help_data (GtkWidget *widget,
if (ret_data)
*ret_data = help_data;
return (const gchar *) help_id;
return help_id;
}
}
@ -325,13 +342,8 @@ gimp_help_callback (GtkWidget *widget,
case GIMP_WIDGET_HELP_TYPE_HELP:
if (help_func)
{
gchar *help_id = NULL;
gpointer help_data = NULL;
help_id = g_object_get_qdata (G_OBJECT (widget), GIMP_HELP_ID);
help_data = g_object_get_data (G_OBJECT (widget), "gimp-help-data");
(* help_func) (help_id, help_data);
help_func (g_object_get_qdata (G_OBJECT (widget), GIMP_HELP_ID),
g_object_get_data (G_OBJECT (widget), "gimp-help-data"));
}
return TRUE;
@ -346,6 +358,79 @@ gimp_help_callback (GtkWidget *widget,
return FALSE;
}
static void
gimp_help_menu_item_set_tooltip (GtkWidget *widget,
const gchar *tooltip,
const gchar *help_id)
{
g_return_if_fail (GTK_IS_MENU_ITEM (widget));
if (tooltip && help_id)
{
g_object_set (widget, "has-tooltip", TRUE, NULL);
g_signal_connect (widget, "query-tooltip",
G_CALLBACK (gimp_help_menu_item_query_tooltip),
NULL);
}
else if (! tooltip)
{
g_object_set (widget, "has-tooltip", FALSE, NULL);
g_signal_handlers_disconnect_by_func (widget,
gimp_help_menu_item_query_tooltip,
NULL);
}
}
static gboolean
gimp_help_menu_item_query_tooltip (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_mode,
GtkTooltip *tooltip)
{
GtkWidget *vbox;
GtkWidget *label;
gchar *text;
gboolean use_markup = TRUE;
text = gtk_widget_get_tooltip_markup (widget);
if (! text)
{
text = gtk_widget_get_tooltip_text (widget);
use_markup = FALSE;
}
if (! text)
return FALSE;
vbox = gtk_vbox_new (FALSE, 12);
label = gtk_label_new (text);
gtk_label_set_use_markup (GTK_LABEL (label), use_markup);
gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
gtk_widget_show (label);
g_free (text);
label = gtk_label_new (_("Press F1 for more help"));
gimp_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
-1);
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.0);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
gtk_tooltip_set_custom (tooltip, vbox);
return TRUE;
}
/* Do all the actual context help calls in idle functions and check for
* some widget holding a grab before starting the query because strange
* things happen if (1) the help browser pops up while the query has