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gimp/app/widgets/gimpwidgets-utils.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpwidgets-utils.c
* Copyright (C) 1999-2003 Michael Natterer <mitch@gimp.org>
*
* This program 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 3 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#ifdef GDK_WINDOWING_WIN32
#include <gdk/gdkwin32.h>
#endif
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif
#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "gimpdialogfactory.h"
#include "gimpdock.h"
#include "gimpdockwindow.h"
#include "gimperrordialog.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
/**
* gimp_menu_position:
* @menu: a #GtkMenu widget
* @x: pointer to horizontal position
* @y: pointer to vertical position
*
* Positions a #GtkMenu so that it pops up on screen. This function
* takes care of the preferred popup direction (taken from the widget
* render direction) and it handles multiple monitors representing a
* single #GdkScreen (Xinerama).
*
* You should call this function with @x and @y initialized to the
* origin of the menu. This is typically the center of the widget the
* menu is popped up from. gimp_menu_position() will then decide if
* and how these initial values need to be changed.
**/
void
gimp_menu_position (GtkMenu *menu,
gint *x,
gint *y)
{
GtkWidget *widget;
GdkScreen *screen;
GtkRequisition requisition;
GdkRectangle rect;
gint monitor;
g_return_if_fail (GTK_IS_MENU (menu));
g_return_if_fail (x != NULL);
g_return_if_fail (y != NULL);
widget = GTK_WIDGET (menu);
screen = gtk_widget_get_screen (widget);
monitor = gdk_screen_get_monitor_at_point (screen, *x, *y);
gdk_screen_get_monitor_geometry (screen, monitor, &rect);
gtk_menu_set_screen (menu, screen);
gtk_widget_size_request (widget, &requisition);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
{
*x -= requisition.width;
if (*x < rect.x)
*x += requisition.width;
}
else
{
if (*x + requisition.width > rect.x + rect.width)
*x -= requisition.width;
}
if (*x < rect.x)
*x = rect.x;
if (*y + requisition.height > rect.y + rect.height)
*y -= requisition.height;
if (*y < rect.y)
*y = rect.y;
}
/**
* gimp_button_menu_position:
* @button: a button widget to popup the menu from
* @menu: the menu to position
* @position: the preferred popup direction for the menu (left or right)
* @x: return location for x coordinate
* @y: return location for y coordinate
*
* Utility function to position a menu that pops up from a button.
**/
void
gimp_button_menu_position (GtkWidget *button,
GtkMenu *menu,
GtkPositionType position,
gint *x,
gint *y)
{
GdkScreen *screen;
GtkAllocation button_allocation;
GtkRequisition menu_requisition;
GdkRectangle rect;
gint monitor;
g_return_if_fail (GTK_IS_WIDGET (button));
g_return_if_fail (gtk_widget_get_realized (button));
g_return_if_fail (GTK_IS_MENU (menu));
g_return_if_fail (x != NULL);
g_return_if_fail (y != NULL);
gtk_widget_get_allocation (button, &button_allocation);
if (gtk_widget_get_direction (button) == GTK_TEXT_DIR_RTL)
{
switch (position)
{
case GTK_POS_LEFT: position = GTK_POS_RIGHT; break;
case GTK_POS_RIGHT: position = GTK_POS_LEFT; break;
default:
break;
}
}
*x = 0;
*y = 0;
if (! gtk_widget_get_has_window (button))
{
*x += button_allocation.x;
*y += button_allocation.y;
}
gdk_window_get_root_coords (gtk_widget_get_window (button), *x, *y, x, y);
gtk_widget_size_request (GTK_WIDGET (menu), &menu_requisition);
screen = gtk_widget_get_screen (button);
monitor = gdk_screen_get_monitor_at_point (screen, *x, *y);
gdk_screen_get_monitor_geometry (screen, monitor, &rect);
gtk_menu_set_screen (menu, screen);
switch (position)
{
case GTK_POS_LEFT:
*x -= menu_requisition.width;
if (*x < rect.x)
*x += menu_requisition.width + button_allocation.width;
break;
case GTK_POS_RIGHT:
*x += button_allocation.width;
if (*x + menu_requisition.width > rect.x + rect.width)
*x -= button_allocation.width + menu_requisition.width;
break;
default:
g_warning ("%s: unhandled position (%d)", G_STRFUNC, position);
break;
}
*y += button_allocation.height / 2;
if (*y + menu_requisition.height > rect.y + rect.height)
*y -= menu_requisition.height;
if (*y < rect.y)
*y = rect.y;
}
void
gimp_table_attach_stock (GtkTable *table,
gint row,
const gchar *stock_id,
GtkWidget *widget,
gint colspan,
gboolean left_align)
{
GtkWidget *image;
g_return_if_fail (GTK_IS_TABLE (table));
g_return_if_fail (stock_id != NULL);
g_return_if_fail (GTK_IS_WIDGET (widget));
image = gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_BUTTON);
gtk_misc_set_alignment (GTK_MISC (image), 1.0, 0.5);
gtk_table_attach (table, image, 0, 1, row, row + 1,
GTK_FILL, GTK_FILL, 0, 0);
gtk_widget_show (image);
if (left_align)
{
GtkWidget *hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), widget, FALSE, FALSE, 0);
gtk_widget_show (widget);
widget = hbox;
}
gtk_table_attach (table, widget, 1, 1 + colspan, row, row + 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (widget);
}
void
gimp_enum_radio_box_add (GtkBox *box,
GtkWidget *widget,
gint enum_value,
gboolean below)
{
GList *children;
GList *list;
gint pos;
g_return_if_fail (GTK_IS_BOX (box));
g_return_if_fail (GTK_IS_WIDGET (widget));
children = gtk_container_get_children (GTK_CONTAINER (box));
for (list = children, pos = 1;
list;
list = g_list_next (list), pos++)
{
if (GTK_IS_RADIO_BUTTON (list->data) &&
GPOINTER_TO_INT (g_object_get_data (list->data, "gimp-item-data")) ==
enum_value)
{
GtkWidget *radio = list->data;
GtkWidget *hbox;
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (box), hbox, FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (box), hbox, pos);
if (below)
{
GtkWidget *spacer;
gint indicator_size;
gint indicator_spacing;
gint focus_width;
gint focus_padding;
gint border_width;
gtk_widget_style_get (radio,
"indicator-size", &indicator_size,
"indicator-spacing", &indicator_spacing,
"focus-line-width", &focus_width,
"focus-padding", &focus_padding,
NULL);
border_width = gtk_container_get_border_width (GTK_CONTAINER (radio));
spacer = gtk_vbox_new (FALSE, 0);
gtk_widget_set_size_request (spacer,
indicator_size +
3 * indicator_spacing +
focus_width +
focus_padding +
border_width,
-1);
gtk_box_pack_start (GTK_BOX (hbox), spacer, FALSE, FALSE, 0);
gtk_widget_show (spacer);
}
else
{
GtkSizeGroup *size_group;
size_group = g_object_get_data (G_OBJECT (box), "size-group");
if (! size_group)
{
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
g_object_set_data (G_OBJECT (box), "size-group", size_group);
gtk_size_group_add_widget (size_group, radio);
g_object_unref (size_group);
}
else
{
gtk_size_group_add_widget (size_group, radio);
}
gtk_box_set_spacing (GTK_BOX (hbox), 4);
g_object_ref (radio);
gtk_container_remove (GTK_CONTAINER (box), radio);
gtk_box_pack_start (GTK_BOX (hbox), radio, FALSE, FALSE, 0);
g_object_unref (radio);
}
gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
gtk_widget_show (widget);
g_object_set_data (G_OBJECT (radio), "set_sensitive", widget);
g_signal_connect (radio, "toggled",
G_CALLBACK (gimp_toggle_button_sensitive_update),
NULL);
gtk_widget_set_sensitive (widget,
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (list->data)));
gtk_widget_show (hbox);
break;
}
}
g_list_free (children);
}
void
gimp_enum_radio_frame_add (GtkFrame *frame,
GtkWidget *widget,
gint enum_value,
gboolean below)
{
GtkWidget *vbox;
g_return_if_fail (GTK_IS_FRAME (frame));
g_return_if_fail (GTK_IS_WIDGET (widget));
vbox = gtk_bin_get_child (GTK_BIN (frame));
g_return_if_fail (GTK_IS_VBOX (vbox));
gimp_enum_radio_box_add (GTK_BOX (vbox), widget, enum_value, below);
}
GtkIconSize
gimp_get_icon_size (GtkWidget *widget,
const gchar *stock_id,
GtkIconSize max_size,
gint width,
gint height)
{
GtkIconSet *icon_set;
GtkIconSize *sizes;
gint n_sizes;
gint i;
gint width_diff = 1024;
gint height_diff = 1024;
gint max_width;
gint max_height;
GtkIconSize icon_size = GTK_ICON_SIZE_MENU;
GtkSettings *settings;
g_return_val_if_fail (GTK_IS_WIDGET (widget), icon_size);
g_return_val_if_fail (stock_id != NULL, icon_size);
g_return_val_if_fail (width > 0, icon_size);
g_return_val_if_fail (height > 0, icon_size);
icon_set = gtk_style_lookup_icon_set (gtk_widget_get_style (widget),
stock_id);
if (! icon_set)
return GTK_ICON_SIZE_INVALID;
settings = gtk_widget_get_settings (widget);
if (! gtk_icon_size_lookup_for_settings (settings, max_size,
&max_width, &max_height))
{
max_width = 1024;
max_height = 1024;
}
gtk_icon_set_get_sizes (icon_set, &sizes, &n_sizes);
for (i = 0; i < n_sizes; i++)
{
gint icon_width;
gint icon_height;
if (gtk_icon_size_lookup_for_settings (settings, sizes[i],
&icon_width, &icon_height))
{
if (icon_width <= width &&
icon_height <= height &&
icon_width <= max_width &&
icon_height <= max_height &&
((width - icon_width) < width_diff ||
(height - icon_height) < height_diff))
{
width_diff = width - icon_width;
height_diff = height - icon_height;
icon_size = sizes[i];
}
}
}
g_free (sizes);
return icon_size;
}
GimpTabStyle
gimp_preview_tab_style_to_icon (GimpTabStyle tab_style)
{
switch (tab_style)
{
case GIMP_TAB_STYLE_PREVIEW:
tab_style = GIMP_TAB_STYLE_ICON;
break;
case GIMP_TAB_STYLE_PREVIEW_NAME:
tab_style = GIMP_TAB_STYLE_ICON_NAME;
break;
case GIMP_TAB_STYLE_PREVIEW_BLURB:
tab_style = GIMP_TAB_STYLE_ICON_BLURB;
break;
default:
break;
}
return tab_style;
}
const gchar *
gimp_get_mod_name_shift (void)
{
static gchar *mod_name_shift = NULL;
if (! mod_name_shift)
{
GtkAccelLabelClass *accel_label_class;
accel_label_class = g_type_class_ref (GTK_TYPE_ACCEL_LABEL);
mod_name_shift = g_strdup (accel_label_class->mod_name_shift);
g_type_class_unref (accel_label_class);
}
return (const gchar *) mod_name_shift;
}
const gchar *
gimp_get_mod_name_control (void)
{
static gchar *mod_name_control = NULL;
if (! mod_name_control)
{
GtkAccelLabelClass *accel_label_class;
accel_label_class = g_type_class_ref (GTK_TYPE_ACCEL_LABEL);
mod_name_control = g_strdup (accel_label_class->mod_name_control);
g_type_class_unref (accel_label_class);
}
return (const gchar *) mod_name_control;
}
const gchar *
gimp_get_mod_name_alt (void)
{
static gchar *mod_name_alt = NULL;
if (! mod_name_alt)
{
GtkAccelLabelClass *accel_label_class;
accel_label_class = g_type_class_ref (GTK_TYPE_ACCEL_LABEL);
mod_name_alt = g_strdup (accel_label_class->mod_name_alt);
g_type_class_unref (accel_label_class);
}
return (const gchar *) mod_name_alt;
}
const gchar *
gimp_get_mod_separator (void)
{
static gchar *mod_separator = NULL;
if (! mod_separator)
{
GtkAccelLabelClass *accel_label_class;
accel_label_class = g_type_class_ref (GTK_TYPE_ACCEL_LABEL);
mod_separator = g_strdup (accel_label_class->mod_separator);
g_type_class_unref (accel_label_class);
}
return (const gchar *) mod_separator;
}
const gchar *
gimp_get_mod_string (GdkModifierType modifiers)
{
static struct
{
GdkModifierType modifiers;
gchar *name;
}
modifier_strings[] =
{
{ GDK_SHIFT_MASK, NULL },
{ GDK_CONTROL_MASK, NULL },
{ GDK_MOD1_MASK, NULL },
{ GDK_SHIFT_MASK | GDK_CONTROL_MASK, NULL },
{ GDK_SHIFT_MASK | GDK_MOD1_MASK, NULL },
{ GDK_CONTROL_MASK | GDK_MOD1_MASK, NULL },
{ GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK, NULL }
};
gint i;
for (i = 0; i < G_N_ELEMENTS (modifier_strings); i++)
{
if (modifiers == modifier_strings[i].modifiers)
{
if (! modifier_strings[i].name)
{
GString *str = g_string_new (NULL);
if (modifiers & GDK_SHIFT_MASK)
{
g_string_append (str, gimp_get_mod_name_shift ());
}
if (modifiers & GDK_CONTROL_MASK)
{
if (str->len)
g_string_append (str, gimp_get_mod_separator ());
g_string_append (str, gimp_get_mod_name_control ());
}
if (modifiers & GDK_MOD1_MASK)
{
if (str->len)
g_string_append (str, gimp_get_mod_separator ());
g_string_append (str, gimp_get_mod_name_alt ());
}
modifier_strings[i].name = g_string_free (str, FALSE);
}
return modifier_strings[i].name;
}
}
return NULL;
}
#define BUF_SIZE 100
/**
* gimp_suggest_modifiers:
* @message: initial text for the message
* @modifiers: bit mask of modifiers that should be suggested
* @shift_format: optional format string for the Shift modifier
* @control_format: optional format string for the Ctrl modifier
* @alt_format: optional format string for the Alt modifier
*
* Utility function to build a message suggesting to use some
* modifiers for performing different actions (only Shift, Ctrl and
* Alt are currently supported). If some of these modifiers are
* already active, they will not be suggested. The optional format
* strings #shift_format, #control_format and #alt_format may be used
* to describe what the modifier will do. They must contain a single
* '%%s' which will be replaced by the name of the modifier. They
* can also be %NULL if the modifier name should be left alone.
*
* Return value: a newly allocated string containing the message.
**/
gchar *
gimp_suggest_modifiers (const gchar *message,
GdkModifierType modifiers,
const gchar *shift_format,
const gchar *control_format,
const gchar *alt_format)
{
gchar msg_buf[3][BUF_SIZE];
gint num_msgs = 0;
gboolean try = FALSE;
if (modifiers & GDK_SHIFT_MASK)
{
if (shift_format && *shift_format)
{
g_snprintf (msg_buf[num_msgs], BUF_SIZE, shift_format,
gimp_get_mod_name_shift ());
}
else
{
g_strlcpy (msg_buf[num_msgs], gimp_get_mod_name_shift (), BUF_SIZE);
try = TRUE;
}
num_msgs++;
}
if (modifiers & GDK_CONTROL_MASK)
{
if (control_format && *control_format)
{
g_snprintf (msg_buf[num_msgs], BUF_SIZE, control_format,
gimp_get_mod_name_control ());
}
else
{
g_strlcpy (msg_buf[num_msgs], gimp_get_mod_name_control (), BUF_SIZE);
try = TRUE;
}
num_msgs++;
}
if (modifiers & GDK_MOD1_MASK)
{
if (alt_format && *alt_format)
{
g_snprintf (msg_buf[num_msgs], BUF_SIZE, alt_format,
gimp_get_mod_name_alt ());
}
else
{
g_strlcpy (msg_buf[num_msgs], gimp_get_mod_name_alt (), BUF_SIZE);
try = TRUE;
}
num_msgs++;
}
/* This convoluted way to build the message using multiple format strings
* tries to make the messages easier to translate to other languages.
*/
switch (num_msgs)
{
case 1:
return g_strdup_printf (try ? _("%s (try %s)") : _("%s (%s)"),
message, msg_buf[0]);
case 2:
return g_strdup_printf (_("%s (try %s, %s)"),
message, msg_buf[0], msg_buf[1]);
case 3:
return g_strdup_printf (_("%s (try %s, %s, %s)"),
message, msg_buf[0], msg_buf[1], msg_buf[2]);
}
return g_strdup (message);
}
#undef BUF_SIZE
/**
* gimp_get_screen_resolution:
* @screen: a #GdkScreen or %NULL
* @xres: returns the horizontal screen resolution (in dpi)
* @yres: returns the vertical screen resolution (in dpi)
*
* Retrieves the screen resolution from GDK. If @screen is %NULL, the
* default screen is used.
**/
void
gimp_get_screen_resolution (GdkScreen *screen,
gdouble *xres,
gdouble *yres)
{
gint width, height;
gint width_mm, height_mm;
gdouble x = 0.0;
gdouble y = 0.0;
g_return_if_fail (screen == NULL || GDK_IS_SCREEN (screen));
g_return_if_fail (xres != NULL);
g_return_if_fail (yres != NULL);
if (!screen)
screen = gdk_screen_get_default ();
width = gdk_screen_get_width (screen);
height = gdk_screen_get_height (screen);
width_mm = gdk_screen_get_width_mm (screen);
height_mm = gdk_screen_get_height_mm (screen);
/*
* From xdpyinfo.c:
*
* there are 2.54 centimeters to an inch; so there are 25.4 millimeters.
*
* dpi = N pixels / (M millimeters / (25.4 millimeters / 1 inch))
* = N pixels / (M inch / 25.4)
* = N * 25.4 pixels / M inch
*/
if (width_mm > 0 && height_mm > 0)
{
x = (width * 25.4) / (gdouble) width_mm;
y = (height * 25.4) / (gdouble) height_mm;
}
if (x < GIMP_MIN_RESOLUTION || x > GIMP_MAX_RESOLUTION ||
y < GIMP_MIN_RESOLUTION || y > GIMP_MAX_RESOLUTION)
{
g_warning ("GDK returned bogus values for the screen resolution, "
"using 96 dpi instead.");
x = 96.0;
y = 96.0;
}
/* round the value to full integers to give more pleasant results */
*xres = ROUND (x);
*yres = ROUND (y);
}
/**
* gimp_rgb_get_gdk_color:
* @rgb: the source color as #GimpRGB
* @gdk_color: pointer to a #GdkColor
*
* Initializes @gdk_color from a #GimpRGB. This function does not
* allocate the color for you. Depending on how you want to use it,
* you may have to call gdk_colormap_alloc_color().
**/
void
gimp_rgb_get_gdk_color (const GimpRGB *rgb,
GdkColor *gdk_color)
{
guchar r, g, b;
g_return_if_fail (rgb != NULL);
g_return_if_fail (gdk_color != NULL);
gimp_rgb_get_uchar (rgb, &r, &g, &b);
gdk_color->red = (r << 8) | r;
gdk_color->green = (g << 8) | g;
gdk_color->blue = (b << 8) | b;
}
/**
* gimp_rgb_set_gdk_color:
* @rgb: a #GimpRGB that is to be set
* @gdk_color: pointer to the source #GdkColor
*
* Initializes @rgb from a #GdkColor. This function does not touch
* the alpha value of @rgb.
**/
void
gimp_rgb_set_gdk_color (GimpRGB *rgb,
const GdkColor *gdk_color)
{
guchar r, g, b;
g_return_if_fail (rgb != NULL);
g_return_if_fail (gdk_color != NULL);
r = gdk_color->red >> 8;
g = gdk_color->green >> 8;
b = gdk_color->blue >> 8;
gimp_rgb_set_uchar (rgb, r, g, b);
}
void
gimp_window_set_hint (GtkWindow *window,
GimpWindowHint hint)
{
g_return_if_fail (GTK_IS_WINDOW (window));
switch (hint)
{
case GIMP_WINDOW_HINT_NORMAL:
gtk_window_set_type_hint (window, GDK_WINDOW_TYPE_HINT_NORMAL);
break;
case GIMP_WINDOW_HINT_UTILITY:
gtk_window_set_type_hint (window, GDK_WINDOW_TYPE_HINT_UTILITY);
break;
case GIMP_WINDOW_HINT_KEEP_ABOVE:
gtk_window_set_keep_above (window, TRUE);
break;
}
}
/**
* gimp_window_get_native:
* @window: a #GtkWindow
*
* This function is used to pass a window handle to plug-ins so that
* they can set their dialog windows transient to the parent window.
*
* Return value: a native window handle of the window's #GdkWindow or 0
* if the window isn't realized yet
*/
GdkNativeWindow
gimp_window_get_native (GtkWindow *window)
{
g_return_val_if_fail (GTK_IS_WINDOW (window), 0);
#ifdef GDK_NATIVE_WINDOW_POINTER
#ifdef __GNUC__
#warning gimp_window_get_native() unimplementable for the target windowing system
#endif
return (GdkNativeWindow)0;
#endif
#ifdef GDK_WINDOWING_WIN32
if (window && gtk_widget_get_realized (GTK_WIDGET (window)))
return (GdkNativeWindow) GDK_WINDOW_HWND (gtk_widget_get_window (GTK_WIDGET (window)));
#endif
#ifdef GDK_WINDOWING_X11
if (window && gtk_widget_get_realized (GTK_WIDGET (window)))
return GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET (window)));
#endif
return (GdkNativeWindow) 0;
}
static void
gimp_window_transient_realized (GtkWidget *window,
GdkWindow *parent)
{
if (gtk_widget_get_realized (window))
gdk_window_set_transient_for (gtk_widget_get_window (window), parent);
}
/* similar to what we have in libgimp/gimpui.c */
void
gimp_window_set_transient_for (GtkWindow *window,
guint32 parent_ID)
{
/* Cross-process transient-for is broken in gdk/win32 <= 2.10.6. It
* causes hangs, at least when used as by the gimp and script-fu
* processes. In some newer GTK+ version it will be fixed to be a
* no-op. If it eventually is fixed to actually work, change this to
* a run-time check of GTK+ version. Remember to change also the
* function with the same name in libgimp/gimpui.c
*/
#ifndef GDK_WINDOWING_WIN32
GdkWindow *parent;
parent = gdk_window_foreign_new_for_display (gdk_display_get_default (),
parent_ID);
if (! parent)
return;
if (gtk_widget_get_realized (GTK_WIDGET (window)))
gdk_window_set_transient_for (gtk_widget_get_window (GTK_WIDGET (window)),
parent);
g_signal_connect_object (window, "realize",
G_CALLBACK (gimp_window_transient_realized),
parent, 0);
g_object_unref (parent);
#endif
}
void
gimp_toggle_button_set_visible (GtkToggleButton *toggle,
GtkWidget *widget)
{
g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle));
g_return_if_fail (GTK_IS_WIDGET (widget));
gtk_widget_set_visible (widget,
gtk_toggle_button_get_active (toggle));
}
static gboolean
gimp_widget_accel_find_func (GtkAccelKey *key,
GClosure *closure,
gpointer data)
{
return (GClosure *) data == closure;
}
static void
gimp_widget_accel_changed (GtkAccelGroup *accel_group,
guint unused1,
GdkModifierType unused2,
GClosure *accel_closure,
GtkWidget *widget)
{
GClosure *widget_closure;
widget_closure = g_object_get_data (G_OBJECT (widget), "gimp-accel-closure");
if (accel_closure == widget_closure)
{
GtkAction *action;
GtkAccelKey *accel_key;
const gchar *tooltip;
const gchar *help_id;
action = g_object_get_data (G_OBJECT (widget), "gimp-accel-action");
tooltip = gtk_action_get_tooltip (action);
help_id = g_object_get_qdata (G_OBJECT (action), GIMP_HELP_ID);
accel_key = gtk_accel_group_find (accel_group,
gimp_widget_accel_find_func,
accel_closure);
if (accel_key &&
accel_key->accel_key &&
accel_key->accel_flags & GTK_ACCEL_VISIBLE)
{
gchar *escaped = g_markup_escape_text (tooltip, -1);
gchar *accel = gtk_accelerator_get_label (accel_key->accel_key,
accel_key->accel_mods);
gchar *tmp = g_strdup_printf ("%s <b>%s</b>", escaped, accel);
g_free (accel);
g_free (escaped);
gimp_help_set_help_data_with_markup (widget, tmp, help_id);
g_free (tmp);
}
else
{
gimp_help_set_help_data (widget, tooltip, help_id);
}
}
}
void
gimp_widget_set_accel_help (GtkWidget *widget,
GtkAction *action)
{
GClosure *accel_closure = gtk_action_get_accel_closure (action);
if (accel_closure)
{
GtkAccelGroup *accel_group;
g_object_set_data (G_OBJECT (widget), "gimp-accel-closure",
accel_closure);
g_object_set_data (G_OBJECT (widget), "gimp-accel-action",
action);
accel_group = gtk_accel_group_from_accel_closure (accel_closure);
g_signal_connect_object (accel_group, "accel-changed",
G_CALLBACK (gimp_widget_accel_changed),
widget, 0);
gimp_widget_accel_changed (accel_group,
0, 0,
accel_closure,
widget);
}
else
{
const gchar *tooltip;
const gchar *help_id;
tooltip = gtk_action_get_tooltip (action);
help_id = g_object_get_qdata (G_OBJECT (action), GIMP_HELP_ID);
gimp_help_set_help_data (widget, tooltip, help_id);
}
}
const gchar *
gimp_get_message_stock_id (GimpMessageSeverity severity)
{
switch (severity)
{
case GIMP_MESSAGE_INFO:
return GIMP_STOCK_INFO;
case GIMP_MESSAGE_WARNING:
return GIMP_STOCK_WARNING;
case GIMP_MESSAGE_ERROR:
return GIMP_STOCK_ERROR;
}
g_return_val_if_reached (GIMP_STOCK_WARNING);
}
void
gimp_pango_layout_set_scale (PangoLayout *layout,
gdouble scale)
{
PangoAttrList *attrs;
PangoAttribute *attr;
g_return_if_fail (PANGO_IS_LAYOUT (layout));
attrs = pango_attr_list_new ();
attr = pango_attr_scale_new (scale);
attr->start_index = 0;
attr->end_index = -1;
pango_attr_list_insert (attrs, attr);
pango_layout_set_attributes (layout, attrs);
pango_attr_list_unref (attrs);
}
void
gimp_pango_layout_set_weight (PangoLayout *layout,
PangoWeight weight)
{
PangoAttrList *attrs;
PangoAttribute *attr;
g_return_if_fail (PANGO_IS_LAYOUT (layout));
attrs = pango_attr_list_new ();
attr = pango_attr_weight_new (weight);
attr->start_index = 0;
attr->end_index = -1;
pango_attr_list_insert (attrs, attr);
pango_layout_set_attributes (layout, attrs);
pango_attr_list_unref (attrs);
}
/**
* gimp_highlight_widget:
* @widget:
* @highlight:
*
* Calls gtk_drag_highlight() on @widget if @highlight is %TRUE,
* calls gtk_drag_unhighlight() otherwise.
**/
void
gimp_highlight_widget (GtkWidget *widget,
gboolean highlight)
{
g_return_if_fail (GTK_IS_WIDGET (widget));
if (highlight)
gtk_drag_highlight (widget);
else
gtk_drag_unhighlight (widget);
}
/**
* gimp_dock_with_window_new:
* @factory: a #GimpDialogFacotry
* @screen: the #GdkScreen the dock window should appear on
* @toolbox: if %TRUE; gives a "gimp-toolbox-window" with a
* "gimp-toolbox", "gimp-dock-window"+"gimp-dock"
* otherwise
*
* Returns: the newly created #GimpDock with the #GimpDockWindow
**/
GtkWidget *
gimp_dock_with_window_new (GimpDialogFactory *factory,
GdkScreen *screen,
gboolean toolbox)
{
GtkWidget *dock_window = NULL;
GtkWidget *dock = NULL;
GimpUIManager *ui_manager = NULL;
g_return_val_if_fail (GIMP_IS_DIALOG_FACTORY (factory), NULL);
g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
/* Create a dock window to put the dock in. We need to create the
* dock window before the dock because the dock has a dependency to
* the ui manager in the dock window
*/
dock_window =
gimp_dialog_factory_dialog_new (factory,
screen,
NULL /*ui_manager*/,
(toolbox ?
"gimp-toolbox-window" :
"gimp-dock-window"),
-1 /*view_size*/,
FALSE /*present*/);
/* Create the dock */
ui_manager = gimp_dock_window_get_ui_manager (GIMP_DOCK_WINDOW (dock_window));
dock = gimp_dialog_factory_dialog_new (factory,
screen,
ui_manager,
(toolbox ?
"gimp-toolbox" :
"gimp-dock"),
-1 /*view_size*/,
FALSE /*present*/);
if (dock)
{
/* Put the dock in the dock window */
gimp_dock_window_add_dock (GIMP_DOCK_WINDOW (dock_window),
GIMP_DOCK (dock),
-1);
}
return dock;
}
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