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PIKApp/app/widgets/pikawidgets-utils.c

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/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikawidgets-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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#ifdef GDK_WINDOWING_WIN32
#include <dwmapi.h>
#include <gdk/gdkwin32.h>
#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
#endif
#endif
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif
#ifdef GDK_WINDOWING_WAYLAND
#include <gdk/gdkwayland.h>
#endif
#ifdef PLATFORM_OSX
#include <ApplicationServices/ApplicationServices.h>
#endif
#include "libpikabase/pikabase.h"
#include "libpikaconfig/pikaconfig.h"
#include "libpikamath/pikamath.h"
#include "libpikacolor/pikacolor.h"
#include "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "gegl/pika-babl.h"
#include "config/pikaguiconfig.h"
#include "core/pika.h"
#include "core/pikaprogress.h"
#include "core/pikatoolinfo.h"
#include "pikaaccellabel.h"
#include "pikaaction.h"
#include "pikadialogfactory.h"
#include "pikadock.h"
#include "pikadockcontainer.h"
#include "pikadockwindow.h"
#include "pikaerrordialog.h"
#include "pikasessioninfo.h"
#include "pikatoolbutton.h"
#include "pikauimanager.h"
#include "pikawidgets-utils.h"
#include "pikawindowstrategy.h"
#include "pika-intl.h"
#define PIKA_TOOL_OPTIONS_GUI_KEY "pika-tool-options-gui"
#define PIKA_TOOL_OPTIONS_GUI_FUNC_KEY "pika-tool-options-gui-func"
typedef struct
{
GList **blink_script;
const gchar *widget_identifier;
const gchar *settings_value;
} BlinkSearch;
typedef struct
{
GtkWidget *widget;
gchar *settings_value;
} BlinkStep;
static void pika_widget_blink_after (GtkWidget *widget,
gint ms_timeout);
static void pika_search_widget_rec (GtkWidget *widget,
BlinkSearch *data);
static void pika_blink_free_script (GList *blink_scenario);
static gboolean pika_window_transient_on_mapped (GtkWidget *widget,
GdkEventAny *event,
PikaProgress *progress);
static void pika_window_set_transient_cb (GtkWidget *window,
GdkEventAny *event,
GBytes *handle);
GtkWidget *
pika_menu_item_get_image (GtkMenuItem *item)
{
g_return_val_if_fail (GTK_IS_MENU_ITEM (item), NULL);
return g_object_get_data (G_OBJECT (item), "pika-menu-item-image");
}
void
pika_menu_item_set_image (GtkMenuItem *item,
GtkWidget *image,
PikaAction *action)
{
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *accel_label;
GtkWidget *old_image;
g_return_if_fail (GTK_IS_MENU_ITEM (item));
g_return_if_fail (image == NULL || GTK_IS_WIDGET (image));
hbox = g_object_get_data (G_OBJECT (item), "pika-menu-item-hbox");
if (! hbox)
{
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
g_object_set_data (G_OBJECT (item), "pika-menu-item-hbox", hbox);
label = gtk_bin_get_child (GTK_BIN (item));
g_object_set_data (G_OBJECT (item), "pika-menu-item-label", label);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
g_object_ref (label);
gtk_container_remove (GTK_CONTAINER (item), label);
gtk_container_add (GTK_CONTAINER (hbox), label);
g_object_unref (label);
if (action)
{
accel_label = pika_accel_label_new (action);
g_object_set_data (G_OBJECT (item), "pika-menu-item-accel", accel_label);
gtk_container_add (GTK_CONTAINER (hbox), accel_label);
gtk_widget_set_hexpand (GTK_WIDGET (accel_label), TRUE);
gtk_label_set_xalign (GTK_LABEL (accel_label), 1.0);
gtk_widget_show (accel_label);
}
gtk_container_add (GTK_CONTAINER (item), hbox);
gtk_widget_show (hbox);
}
old_image = g_object_get_data (G_OBJECT (item), "pika-menu-item-image");
if (old_image != image)
{
if (old_image)
{
gtk_widget_destroy (old_image);
g_object_set_data (G_OBJECT (item), "pika-menu-item-image", NULL);
}
if (image)
{
gtk_container_add (GTK_CONTAINER (hbox), image);
gtk_box_reorder_child (GTK_BOX (hbox), image, 0);
g_object_set_data (G_OBJECT (item), "pika-menu-item-image", image);
gtk_widget_show (image);
}
}
}
/**
* pika_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. pika_menu_position() will then decide if
* and how these initial values need to be changed.
**/
void
pika_menu_position (GtkMenu *menu,
gint *x,
gint *y)
{
GtkWidget *widget;
GtkRequisition requisition;
GdkRectangle workarea;
g_return_if_fail (GTK_IS_MENU (menu));
g_return_if_fail (x != NULL);
g_return_if_fail (y != NULL);
widget = GTK_WIDGET (menu);
gdk_monitor_get_workarea (pika_widget_get_monitor (widget), &workarea);
gtk_menu_set_screen (menu, gtk_widget_get_screen (widget));
gtk_widget_get_preferred_size (widget, &requisition, NULL);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
{
*x -= requisition.width;
if (*x < workarea.x)
*x += requisition.width;
}
else
{
if (*x + requisition.width > workarea.x + workarea.width)
*x -= requisition.width;
}
if (*x < workarea.x)
*x = workarea.x;
if (*y + requisition.height > workarea.y + workarea.height)
*y -= requisition.height;
if (*y < workarea.y)
*y = workarea.y;
}
void
pika_grid_attach_icon (GtkGrid *grid,
gint row,
const gchar *icon_name,
GtkWidget *widget,
gint columns)
{
GtkWidget *image;
g_return_if_fail (GTK_IS_GRID (grid));
g_return_if_fail (icon_name != NULL);
g_return_if_fail (GTK_IS_WIDGET (widget));
image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_BUTTON);
gtk_widget_set_halign (image, GTK_ALIGN_END);
gtk_grid_attach (grid, image, 0, row, 1, 1);
gtk_widget_show (image);
gtk_grid_attach (grid, widget, 1, row, columns, 1);
gtk_widget_show (widget);
}
void
pika_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, "pika-item-data")) ==
enum_value)
{
GtkWidget *radio = list->data;
GtkWidget *hbox;
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 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_box_new (GTK_ORIENTATION_VERTICAL, 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_bind_property (radio, "active",
widget, "sensitive",
G_BINDING_SYNC_CREATE);
gtk_widget_show (hbox);
break;
}
}
g_list_free (children);
}
void
pika_enum_radio_frame_add (GtkFrame *frame,
GtkWidget *widget,
gint enum_value,
gboolean below)
{
GtkWidget *box;
g_return_if_fail (GTK_IS_FRAME (frame));
g_return_if_fail (GTK_IS_WIDGET (widget));
box = gtk_bin_get_child (GTK_BIN (frame));
g_return_if_fail (GTK_IS_BOX (box));
pika_enum_radio_box_add (GTK_BOX (box), widget, enum_value, below);
}
/**
* pika_widget_load_icon:
* @widget: parent widget (to determine icon theme and
* style)
* @icon_name: icon name
* @size: requested pixel size
*
* Loads an icon into a pixbuf with size as close as possible to @size.
* If icon does not exist or fail to load, the function will fallback to
* "pika-mascot-eek" instead to prevent NULL pixbuf. As a last resort,
* if even the fallback failed to load, a magenta @size square will be
* returned, so this function is guaranteed to always return a
* #GdkPixbuf.
*
* Returns: a newly allocated #GdkPixbuf containing @icon_name at
* size @size or a fallback icon/size.
**/
GdkPixbuf *
pika_widget_load_icon (GtkWidget *widget,
const gchar *icon_name,
gint size)
{
GdkPixbuf *pixbuf = NULL;
GtkIconTheme *icon_theme;
GtkIconInfo *icon_info;
gchar *name;
gint scale_factor;
g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
g_return_val_if_fail (icon_name != NULL, NULL);
icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (widget));
scale_factor = gtk_widget_get_scale_factor (widget);
name = g_strdup_printf ("%s-symbolic", icon_name);
/* This will find the symbolic icon and fallback to non-symbolic
* depending on icon theme.
*/
icon_info = gtk_icon_theme_lookup_icon_for_scale (icon_theme, name,
size, scale_factor,
GTK_ICON_LOOKUP_GENERIC_FALLBACK);
g_free (name);
if (icon_info)
{
pixbuf = gtk_icon_info_load_symbolic_for_context (icon_info,
gtk_widget_get_style_context (widget),
NULL, NULL);
g_object_unref (icon_info);
if (! pixbuf)
/* The icon was seemingly present in the current icon theme, yet
* it failed to load. Maybe the file is broken?
* As last resort, try to load "pika-mascot-eek" as fallback.
* Note that we are not making more checks, so if the fallback
* icon fails to load as well, the function may still return NULL.
*/
g_printerr ("WARNING: icon '%s' failed to load. Check the files "
"in your icon theme.\n", icon_name);
}
else
g_printerr ("WARNING: icon theme has no icon '%s'.\n", icon_name);
/* First fallback: pika-mascot-eek */
if (! pixbuf)
{
icon_info = gtk_icon_theme_lookup_icon_for_scale (icon_theme,
PIKA_ICON_MASCOT_EEK "-symbolic",
size, scale_factor,
GTK_ICON_LOOKUP_GENERIC_FALLBACK);
if (icon_info)
{
pixbuf = gtk_icon_info_load_symbolic_for_context (icon_info,
gtk_widget_get_style_context (widget),
NULL, NULL);
g_object_unref (icon_info);
if (! pixbuf)
g_printerr ("WARNING: icon '%s' failed to load. Check the files "
"in your icon theme.\n", PIKA_ICON_MASCOT_EEK);
}
else
{
g_printerr ("WARNING: icon theme has no icon '%s'.\n",
PIKA_ICON_MASCOT_EEK);
}
}
/* Last fallback: just a magenta square. */
if (! pixbuf)
{
/* As last resort, just draw an ugly magenta square. */
guchar *data;
gint rowstride = 3 * size * scale_factor;
gint i, j;
data = g_new (guchar, rowstride * size);
for (i = 0; i < size; i++)
{
for (j = 0; j < size * scale_factor; j++)
{
data[i * rowstride + j * 3] = 255;
data[i * rowstride + j * 3 + 1] = 0;
data[i * rowstride + j * 3 + 2] = 255;
}
}
pixbuf = gdk_pixbuf_new_from_data (data, GDK_COLORSPACE_RGB, FALSE,
8,
size * scale_factor,
size * scale_factor, rowstride,
(GdkPixbufDestroyNotify) g_free,
NULL);
}
/* Small assertion test to get a warning if we ever get NULL return
* value, as this is never supposed to happen.
*/
g_return_val_if_fail (pixbuf != NULL, NULL);
return pixbuf;
}
PikaTabStyle
pika_preview_tab_style_to_icon (PikaTabStyle tab_style)
{
switch (tab_style)
{
case PIKA_TAB_STYLE_PREVIEW:
tab_style = PIKA_TAB_STYLE_ICON;
break;
case PIKA_TAB_STYLE_PREVIEW_NAME:
tab_style = PIKA_TAB_STYLE_ICON_NAME;
break;
case PIKA_TAB_STYLE_PREVIEW_BLURB:
tab_style = PIKA_TAB_STYLE_ICON_BLURB;
break;
default:
break;
}
return tab_style;
}
const gchar *
pika_get_mod_string (GdkModifierType modifiers)
{
static GHashTable *mod_labels;
gchar *label;
if (! modifiers)
return NULL;
if (G_UNLIKELY (! mod_labels))
mod_labels = g_hash_table_new (g_int_hash, g_int_equal);
modifiers = pika_replace_virtual_modifiers (modifiers);
label = g_hash_table_lookup (mod_labels, &modifiers);
if (! label)
{
GtkAccelLabelClass *accel_label_class;
label = gtk_accelerator_get_label (0, modifiers);
accel_label_class = g_type_class_ref (GTK_TYPE_ACCEL_LABEL);
if (accel_label_class->mod_separator &&
*accel_label_class->mod_separator)
{
gchar *sep = g_strrstr (label, accel_label_class->mod_separator);
if (sep - label ==
strlen (label) - strlen (accel_label_class->mod_separator))
*sep = '\0';
}
g_type_class_unref (accel_label_class);
g_hash_table_insert (mod_labels,
g_memdup2 (&modifiers, sizeof (GdkModifierType)),
label);
}
return label;
}
#define BUF_SIZE 100
/**
* pika_suggest_modifiers:
* @message: initial text for the message
* @modifiers: bit mask of modifiers that should be suggested
* @extend_selection_format: optional format string for the
* "Extend selection" modifier
* @toggle_behavior_format: optional format string for the
* "Toggle behavior" 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 #extend_selection_format, #toggle_behavior_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.
*
* Returns: a newly allocated string containing the message.
**/
gchar *
pika_suggest_modifiers (const gchar *message,
GdkModifierType modifiers,
const gchar *extend_selection_format,
const gchar *toggle_behavior_format,
const gchar *alt_format)
{
GdkModifierType extend_mask = pika_get_extend_selection_mask ();
GdkModifierType toggle_mask = pika_get_toggle_behavior_mask ();
gchar msg_buf[3][BUF_SIZE];
gint num_msgs = 0;
gboolean try = FALSE;
if (modifiers & extend_mask)
{
if (extend_selection_format && *extend_selection_format)
{
g_snprintf (msg_buf[num_msgs], BUF_SIZE, extend_selection_format,
pika_get_mod_string (extend_mask));
}
else
{
g_strlcpy (msg_buf[num_msgs],
pika_get_mod_string (extend_mask), BUF_SIZE);
try = TRUE;
}
num_msgs++;
}
if (modifiers & toggle_mask)
{
if (toggle_behavior_format && *toggle_behavior_format)
{
g_snprintf (msg_buf[num_msgs], BUF_SIZE, toggle_behavior_format,
pika_get_mod_string (toggle_mask));
}
else
{
g_strlcpy (msg_buf[num_msgs],
pika_get_mod_string (toggle_mask), 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,
pika_get_mod_string (GDK_MOD1_MASK));
}
else
{
g_strlcpy (msg_buf[num_msgs],
pika_get_mod_string (GDK_MOD1_MASK), 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
PikaChannelOps
pika_modifiers_to_channel_op (GdkModifierType modifiers)
{
GdkModifierType extend_mask = pika_get_extend_selection_mask ();
GdkModifierType modify_mask = pika_get_modify_selection_mask ();
if (modifiers & extend_mask)
{
if (modifiers & modify_mask)
{
return PIKA_CHANNEL_OP_INTERSECT;
}
else
{
return PIKA_CHANNEL_OP_ADD;
}
}
else if (modifiers & modify_mask)
{
return PIKA_CHANNEL_OP_SUBTRACT;
}
return PIKA_CHANNEL_OP_REPLACE;
}
GdkModifierType
pika_replace_virtual_modifiers (GdkModifierType modifiers)
{
GdkDisplay *display = gdk_display_get_default ();
GdkModifierType result = 0;
gint i;
for (i = 0; i < 8; i++)
{
GdkModifierType real = 1 << i;
if (modifiers & real)
{
GdkModifierType virtual = real;
gdk_keymap_add_virtual_modifiers (gdk_keymap_get_for_display (display),
&virtual);
if (virtual == real)
result |= virtual;
else
result |= virtual & ~real;
}
}
return result;
}
GdkModifierType
pika_get_primary_accelerator_mask (void)
{
GdkDisplay *display = gdk_display_get_default ();
return gdk_keymap_get_modifier_mask (gdk_keymap_get_for_display (display),
GDK_MODIFIER_INTENT_PRIMARY_ACCELERATOR);
}
GdkModifierType
pika_get_extend_selection_mask (void)
{
GdkDisplay *display = gdk_display_get_default ();
return gdk_keymap_get_modifier_mask (gdk_keymap_get_for_display (display),
GDK_MODIFIER_INTENT_EXTEND_SELECTION);
}
GdkModifierType
pika_get_modify_selection_mask (void)
{
GdkDisplay *display = gdk_display_get_default ();
return gdk_keymap_get_modifier_mask (gdk_keymap_get_for_display (display),
GDK_MODIFIER_INTENT_MODIFY_SELECTION);
}
GdkModifierType
pika_get_toggle_behavior_mask (void)
{
GdkDisplay *display = gdk_display_get_default ();
/* use the modify selection modifier */
return gdk_keymap_get_modifier_mask (gdk_keymap_get_for_display (display),
GDK_MODIFIER_INTENT_MODIFY_SELECTION);
}
GdkModifierType
pika_get_constrain_behavior_mask (void)
{
GdkDisplay *display = gdk_display_get_default ();
/* use the modify selection modifier */
return gdk_keymap_get_modifier_mask (gdk_keymap_get_for_display (display),
GDK_MODIFIER_INTENT_MODIFY_SELECTION);
}
GdkModifierType
pika_get_all_modifiers_mask (void)
{
GdkDisplay *display = gdk_display_get_default ();
return (GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK |
gdk_keymap_get_modifier_mask (gdk_keymap_get_for_display (display),
GDK_MODIFIER_INTENT_PRIMARY_ACCELERATOR) |
gdk_keymap_get_modifier_mask (gdk_keymap_get_for_display (display),
GDK_MODIFIER_INTENT_EXTEND_SELECTION) |
gdk_keymap_get_modifier_mask (gdk_keymap_get_for_display (display),
GDK_MODIFIER_INTENT_MODIFY_SELECTION));
}
/**
* pika_get_monitor_resolution:
* @screen: a #GdkScreen
* @monitor: a monitor number
* @xres: returns the horizontal monitor resolution (in dpi)
* @yres: returns the vertical monitor resolution (in dpi)
*
* Retrieves the monitor's resolution from GDK.
**/
void
pika_get_monitor_resolution (GdkMonitor *monitor,
gdouble *xres,
gdouble *yres)
{
GdkRectangle size_pixels;
gint width_mm, height_mm;
gdouble x = 0.0;
gdouble y = 0.0;
#ifdef PLATFORM_OSX
CGSize size;
#endif
g_return_if_fail (GDK_IS_MONITOR (monitor));
g_return_if_fail (xres != NULL);
g_return_if_fail (yres != NULL);
#ifndef PLATFORM_OSX
gdk_monitor_get_geometry (monitor, &size_pixels);
width_mm = gdk_monitor_get_width_mm (monitor);
height_mm = gdk_monitor_get_height_mm (monitor);
#else
width_mm = 0;
height_mm = 0;
size = CGDisplayScreenSize (kCGDirectMainDisplay);
if (!CGSizeEqualToSize (size, CGSizeZero))
{
width_mm = size.width;
height_mm = size.height;
}
size_pixels.width = CGDisplayPixelsWide (kCGDirectMainDisplay);
size_pixels.height = CGDisplayPixelsHigh (kCGDirectMainDisplay);
#endif
/*
* 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 = (size_pixels.width * 25.4) / (gdouble) width_mm;
y = (size_pixels.height * 25.4) / (gdouble) height_mm;
}
if (x < PIKA_MIN_RESOLUTION || x > PIKA_MAX_RESOLUTION ||
y < PIKA_MIN_RESOLUTION || y > PIKA_MAX_RESOLUTION)
{
g_printerr ("pika_get_monitor_resolution(): GDK returned bogus "
"values for the monitor resolution, using 96 dpi instead.\n");
x = 96.0;
y = 96.0;
}
/* round the value to full integers to give more pleasant results */
*xres = ROUND (x);
*yres = ROUND (y);
}
gboolean
pika_get_style_color (GtkWidget *widget,
const gchar *property_name,
GdkRGBA *color)
{
GdkRGBA *c = NULL;
g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
g_return_val_if_fail (property_name != NULL, FALSE);
g_return_val_if_fail (color != NULL, FALSE);
gtk_widget_style_get (widget,
property_name, &c,
NULL);
if (c)
{
*color = *c;
gdk_rgba_free (c);
return TRUE;
}
/* return ugly magenta to indicate that something is wrong */
color->red = 1.0;
color->green = 1.0;
color->blue = 0.0;
color->alpha = 1.0;
return FALSE;
}
void
pika_window_set_hint (GtkWindow *window,
PikaWindowHint hint)
{
g_return_if_fail (GTK_IS_WINDOW (window));
switch (hint)
{
case PIKA_WINDOW_HINT_NORMAL:
gtk_window_set_type_hint (window, GDK_WINDOW_TYPE_HINT_NORMAL);
break;
case PIKA_WINDOW_HINT_UTILITY:
gtk_window_set_type_hint (window, GDK_WINDOW_TYPE_HINT_UTILITY);
break;
case PIKA_WINDOW_HINT_KEEP_ABOVE:
gtk_window_set_keep_above (window, TRUE);
break;
}
}
/* similar to what we have in libpika/pikaui.c */
static GdkWindow *
pika_get_foreign_window (gpointer window)
{
#ifdef GDK_WINDOWING_X11
if (GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
return gdk_x11_window_foreign_new_for_display (gdk_display_get_default (),
(Window) window);
#endif
#ifdef GDK_WINDOWING_WIN32
return gdk_win32_window_foreign_new_for_display (gdk_display_get_default (),
(HWND) window);
#endif
return NULL;
}
void
pika_window_set_transient_for (GtkWindow *window,
PikaProgress *parent)
{
g_signal_connect_after (window, "map-event",
G_CALLBACK (pika_window_transient_on_mapped),
parent);
if (gtk_widget_get_mapped (GTK_WIDGET (window)))
pika_window_transient_on_mapped (GTK_WIDGET (window), NULL, parent);
}
void
pika_window_set_transient_for_handle (GtkWindow *window,
GBytes *handle)
{
g_return_if_fail (GTK_IS_WINDOW (window));
g_return_if_fail (handle != NULL);
g_signal_connect_data (window, "map-event",
G_CALLBACK (pika_window_set_transient_cb),
g_bytes_ref (handle),
(GClosureNotify) g_bytes_unref,
G_CONNECT_AFTER);
if (gtk_widget_get_mapped (GTK_WIDGET (window)))
pika_window_set_transient_cb (GTK_WIDGET (window), NULL, handle);
}
static void
pika_widget_accels_changed (PikaAction *action,
const gchar **accels,
GtkWidget *widget)
{
const gchar *tooltip;
const gchar *help_id;
tooltip = pika_action_get_tooltip (action);
help_id = pika_action_get_help_id (action);
if (accels && accels[0])
{
gchar *escaped = g_markup_escape_text (tooltip, -1);
gchar *tmp = g_strdup_printf ("%s <b>%s</b>", escaped, accels[0]);
g_free (escaped);
pika_help_set_help_data_with_markup (widget, tmp, help_id);
g_free (tmp);
}
else
{
pika_help_set_help_data (widget, tooltip, help_id);
}
}
static void pika_accel_help_widget_weak_notify (gpointer accel_group,
GObject *where_widget_was);
static void
pika_accel_help_accel_group_weak_notify (gpointer widget,
GObject *where_action_was)
{
g_object_weak_unref (widget,
pika_accel_help_widget_weak_notify,
where_action_was);
g_object_set_data (widget, "pika-accel-help-action", NULL);
}
static void
pika_accel_help_widget_weak_notify (gpointer action,
GObject *where_widget_was)
{
g_object_weak_unref (action,
pika_accel_help_accel_group_weak_notify,
where_widget_was);
}
void
pika_widget_set_accel_help (GtkWidget *widget,
PikaAction *action)
{
PikaAction *prev_action;
prev_action = g_object_get_data (G_OBJECT (widget), "pika-accel-help-action");
if (prev_action)
{
g_signal_handlers_disconnect_by_func (prev_action,
pika_widget_accels_changed,
widget);
g_object_weak_unref (G_OBJECT (action),
pika_accel_help_accel_group_weak_notify,
widget);
g_object_weak_unref (G_OBJECT (widget),
pika_accel_help_widget_weak_notify,
action);
g_object_set_data (G_OBJECT (widget), "pika-accel-help-action", NULL);
}
if (action)
{
gchar **accels;
g_object_set_data (G_OBJECT (widget), "pika-accel-help-action",
action);
g_object_weak_ref (G_OBJECT (action),
pika_accel_help_accel_group_weak_notify,
widget);
g_object_weak_ref (G_OBJECT (widget),
pika_accel_help_widget_weak_notify,
action);
g_object_set_data (G_OBJECT (widget), "pika-accel-action",
action);
g_signal_connect_object (action, "accels-changed",
G_CALLBACK (pika_widget_accels_changed),
widget, 0);
accels = pika_action_get_display_accels (action);
pika_widget_accels_changed (action, (const gchar **) accels, widget);
g_strfreev (accels);
}
else
{
pika_help_set_help_data (widget,
pika_action_get_tooltip (action),
pika_action_get_help_id (action));
}
}
const gchar *
pika_get_message_icon_name (PikaMessageSeverity severity)
{
switch (severity)
{
case PIKA_MESSAGE_INFO:
return PIKA_ICON_DIALOG_INFORMATION;
case PIKA_MESSAGE_WARNING:
return PIKA_ICON_DIALOG_WARNING;
case PIKA_MESSAGE_ERROR:
return PIKA_ICON_DIALOG_ERROR;
case PIKA_MESSAGE_BUG_WARNING:
case PIKA_MESSAGE_BUG_CRITICAL:
return PIKA_ICON_MASCOT_EEK;
}
g_return_val_if_reached (PIKA_ICON_DIALOG_WARNING);
}
gboolean
pika_get_color_tag_color (PikaColorTag color_tag,
PikaRGB *color,
gboolean inherited)
{
static const struct
{
guchar r;
guchar g;
guchar b;
}
colors[] =
{
{ 0, 0, 0 }, /* none */
{ 84, 102, 159 }, /* blue */
{ 111, 143, 48 }, /* green */
{ 210, 182, 45 }, /* yellow */
{ 217, 122, 38 }, /* orange */
{ 87, 53, 25 }, /* brown */
{ 170, 42, 47 }, /* red */
{ 99, 66, 174 }, /* violet */
{ 87, 87, 87 } /* gray */
};
g_return_val_if_fail (color != NULL, FALSE);
g_return_val_if_fail (color_tag < G_N_ELEMENTS (colors), FALSE);
if (color_tag > PIKA_COLOR_TAG_NONE)
{
pika_rgba_set_uchar (color,
colors[color_tag].r,
colors[color_tag].g,
colors[color_tag].b,
255);
if (inherited)
{
pika_rgb_composite (color, &(PikaRGB) {1.0, 1.0, 1.0, 0.2},
PIKA_RGB_COMPOSITE_NORMAL);
}
return TRUE;
}
return FALSE;
}
void
pika_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
pika_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);
}
static gboolean
pika_highlight_widget_draw (GtkWidget *widget,
cairo_t *cr,
gpointer data)
{
GdkRectangle *rect = (GdkRectangle *) data;
/* this code is a straight copy of draw_flash() from gtk-inspector's
* inspect-button.c
*/
GtkAllocation alloc;
if (rect)
{
alloc.x = rect->x;
alloc.y = rect->y;
alloc.width = rect->width;
alloc.height = rect->height;
}
else if (GTK_IS_WINDOW (widget))
{
GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
/* We don't want to draw the drag highlight around the
* CSD window decorations
*/
if (child == NULL)
return FALSE;
gtk_widget_get_allocation (child, &alloc);
}
else
{
alloc.x = 0;
alloc.y = 0;
alloc.width = gtk_widget_get_allocated_width (widget);
alloc.height = gtk_widget_get_allocated_height (widget);
}
cairo_set_source_rgba (cr, 0.0, 0.0, 1.0, 0.2);
cairo_rectangle (cr,
alloc.x + 0.5, alloc.y + 0.5,
alloc.width - 1, alloc.height - 1);
cairo_fill (cr);
return FALSE;
}
/**
* pika_highlight_widget:
* @widget:
* @highlight:
* @rect:
*
* Turns highlighting for @widget on or off according to
* @highlight, in a similar fashion to gtk_drag_highlight()
* and gtk_drag_unhighlight().
*
* If @rect is %NULL, highlight the full widget, otherwise highlight the
* specific rectangle in widget coordinates.
* When unhighlighting (i.e. @highlight is %FALSE), the value of @rect
* doesn't matter, as the previously used rectangle will be reused.
**/
void
pika_highlight_widget (GtkWidget *widget,
gboolean highlight,
GdkRectangle *rect)
{
GdkRectangle *old_rect;
gboolean old_highlight;
g_return_if_fail (GTK_IS_WIDGET (widget));
highlight = highlight ? TRUE : FALSE;
old_highlight = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"pika-widget-highlight"));
old_rect = g_object_get_data (G_OBJECT (widget), "pika-widget-highlight-rect");
if (highlight && old_highlight &&
rect && old_rect && ! gdk_rectangle_equal (rect, old_rect))
{
/* Highlight area changed. */
pika_highlight_widget (widget, FALSE, NULL);
old_highlight = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"pika-widget-highlight"));
old_rect = g_object_get_data (G_OBJECT (widget), "pika-widget-highlight-rect");
}
if (highlight != old_highlight)
{
if (highlight)
{
GdkRectangle *new_rect = NULL;
if (rect)
{
new_rect = g_new0 (GdkRectangle, 1);
*new_rect = *rect;
g_object_set_data_full (G_OBJECT (widget),
"pika-widget-highlight-rect",
new_rect,
(GDestroyNotify) g_free);
}
g_signal_connect_after (widget, "draw",
G_CALLBACK (pika_highlight_widget_draw),
new_rect);
}
else
{
if (old_rect)
{
g_signal_handlers_disconnect_by_func (widget,
pika_highlight_widget_draw,
old_rect);
g_object_set_data (G_OBJECT (widget),
"pika-widget-highlight-rect",
NULL);
}
g_signal_handlers_disconnect_by_func (widget,
pika_highlight_widget_draw,
NULL);
}
g_object_set_data (G_OBJECT (widget),
"pika-widget-highlight",
GINT_TO_POINTER (highlight));
gtk_widget_queue_draw (widget);
}
}
typedef struct
{
gint timeout_id;
gint counter;
GdkRectangle *rect;
} WidgetBlink;
static WidgetBlink *
widget_blink_new (void)
{
WidgetBlink *blink;
blink = g_slice_new (WidgetBlink);
blink->timeout_id = 0;
blink->counter = 0;
blink->rect = NULL;
return blink;
}
static void
widget_blink_free (WidgetBlink *blink)
{
if (blink->timeout_id)
{
g_source_remove (blink->timeout_id);
blink->timeout_id = 0;
}
if (blink->rect)
g_slice_free (GdkRectangle, blink->rect);
g_slice_free (WidgetBlink, blink);
}
static gboolean
pika_widget_blink_start_timeout (GtkWidget *widget)
{
WidgetBlink *blink;
blink = g_object_get_data (G_OBJECT (widget), "pika-widget-blink");
if (blink)
{
blink->timeout_id = 0;
pika_widget_blink (widget);
}
else
{
/* If the data is not here anymore, our blink has been canceled
* already. Also delete the script, if any.
*/
g_object_set_data (G_OBJECT (widget), "pika-widget-blink-script", NULL);
}
return G_SOURCE_REMOVE;
}
static gboolean
pika_widget_blink_popover_remove (GtkWidget *widget)
{
gtk_widget_destroy (widget);
return G_SOURCE_REMOVE;
}
static gboolean
pika_widget_blink_timeout (GtkWidget *widget)
{
WidgetBlink *blink;
GList *script;
blink = g_object_get_data (G_OBJECT (widget), "pika-widget-blink");
script = g_object_get_data (G_OBJECT (widget), "pika-widget-blink-script");
pika_highlight_widget (widget, blink->counter % 2 == 1, blink->rect);
blink->counter++;
if (blink->counter == 1)
{
if (script)
{
BlinkStep *step = script->data;
gchar *popover_text = NULL;
if (step->settings_value)
{
const gchar *prop_name;
GObject *config;
prop_name = g_object_get_data (G_OBJECT (widget),
"pika-widget-property-name");
config = g_object_get_data (G_OBJECT (widget),
"pika-widget-property-config");
if (config && G_IS_OBJECT (config) && prop_name)
{
GParamSpec *param_spec;
const gchar *nick;
param_spec = g_object_class_find_property (G_OBJECT_GET_CLASS (config),
prop_name);
if (! param_spec)
{
g_printerr ("%s: %s has no property named '%s'.\n",
G_STRFUNC,
g_type_name (G_TYPE_FROM_INSTANCE (config)),
prop_name);
return G_SOURCE_CONTINUE;
}
if (! (param_spec->flags & G_PARAM_WRITABLE))
{
g_printerr ("%s: property '%s' of %s is not writable.\n",
G_STRFUNC,
param_spec->name,
g_type_name (param_spec->owner_type));
return G_SOURCE_CONTINUE;
}
nick = g_param_spec_get_nick (param_spec);
if (g_type_is_a (G_TYPE_FROM_INSTANCE (param_spec), G_TYPE_PARAM_ENUM) ||
g_type_is_a (G_TYPE_FROM_INSTANCE (param_spec), G_TYPE_PARAM_INT) ||
g_type_is_a (G_TYPE_FROM_INSTANCE (param_spec), G_TYPE_PARAM_BOOLEAN))
{
gchar *endptr;
gint64 enum_value;
enum_value = g_ascii_strtoll (step->settings_value, &endptr, 10);
if (enum_value == 0 && endptr == step->settings_value)
{
g_printerr ("%s: settings value '%s' cannot properly be converted to int.\n",
G_STRFUNC, step->settings_value);
return G_SOURCE_CONTINUE;
}
g_object_set (config,
prop_name, enum_value,
NULL);
if (nick)
{
if (g_type_is_a (G_TYPE_FROM_INSTANCE (param_spec), G_TYPE_PARAM_BOOLEAN))
{
if ((gboolean) enum_value)
/* TRANSLATORS: the %s will be replaced
* by the localized label of a boolean settings
* (e.g. a checkbox settings) displayed
* in some dockable GUI.
*/
popover_text = g_strdup_printf (_("Switch \"%s\" ON"), nick);
else
popover_text = g_strdup_printf (_("Switch \"%s\" OFF"), nick);
}
else if (g_type_is_a (G_TYPE_FROM_INSTANCE (param_spec), G_TYPE_PARAM_ENUM))
{
GParamSpecEnum *pspec_enum = (GParamSpecEnum *) param_spec;
const GEnumValue *genum_value;
genum_value = g_enum_get_value (pspec_enum->enum_class, enum_value);
if (genum_value)
{
const gchar *enum_desc;
enum_desc = pika_enum_value_get_desc (pspec_enum->enum_class, genum_value);
if (enum_desc)
/* TRANSLATORS: the %s will be replaced
* by the localized label of a
* multi-choice settings displayed
* in some dockable GUI.
*/
popover_text = g_strdup_printf (_("Select \"%s\""), enum_desc);
}
}
}
}
else
{
g_printerr ("%s: currently unsupported type '%s' for property %s of %s.\n",
G_STRFUNC,
g_type_name (G_TYPE_FROM_INSTANCE (param_spec)),
param_spec->name,
g_type_name (param_spec->owner_type));
}
}
}
else if (PIKA_IS_TOOL_BUTTON (widget))
{
PikaToolInfo *info;
info = pika_tool_button_get_tool_info (PIKA_TOOL_BUTTON (widget));
/* TRANSLATORS: %s will be a tool name, so we'll get a
* final string looking like 'Activate the "Bucket fill" tool'.
*/
popover_text = g_strdup_printf (_("Activate the \"%s\" tool"),
info->label);
}
if (popover_text != NULL)
{
GtkWidget *popover = gtk_popover_new (widget);
GtkWidget *label = gtk_label_new (popover_text);
gtk_container_add (GTK_CONTAINER (popover), label);
gtk_widget_show (label);
gtk_widget_show (popover);
g_timeout_add (1200,
(GSourceFunc) pika_widget_blink_popover_remove,
popover);
g_free (popover_text);
}
}
}
else if (blink->counter == 3)
{
blink->timeout_id = 0;
g_object_set_data (G_OBJECT (widget), "pika-widget-blink", NULL);
if (script)
{
if (script->next)
{
BlinkStep *next_step = script->next->data;
GtkWidget *next_widget = next_step->widget;
g_object_set_data_full (G_OBJECT (next_widget), "pika-widget-blink-script",
script->next,
(GDestroyNotify) pika_blink_free_script);
script->next->prev = NULL;
script->next = NULL;
pika_widget_blink_after (next_widget, 800);
}
g_object_set_data (G_OBJECT (widget), "pika-widget-blink-script", NULL);
}
return G_SOURCE_REMOVE;
}
return G_SOURCE_CONTINUE;
}
void
pika_widget_blink (GtkWidget *widget)
{
WidgetBlink *blink;
g_return_if_fail (GTK_IS_WIDGET (widget));
pika_widget_blink_cancel (widget);
blink = widget_blink_new ();
g_object_set_data_full (G_OBJECT (widget), "pika-widget-blink", blink,
(GDestroyNotify) widget_blink_free);
blink->timeout_id = g_timeout_add (150,
(GSourceFunc) pika_widget_blink_timeout,
widget);
pika_highlight_widget (widget, TRUE, NULL);
while ((widget = gtk_widget_get_parent (widget)))
pika_widget_blink_cancel (widget);
}
void
pika_widget_script_blink (GtkWidget *widget,
const gchar *settings_value,
GList **blink_scenario)
{
BlinkStep *step;
step = g_slice_new (BlinkStep);
step->widget = widget;
step->settings_value = g_strdup (settings_value);
*blink_scenario = g_list_append (*blink_scenario, step);
while ((widget = gtk_widget_get_parent (widget)))
pika_widget_blink_cancel (widget);
}
/* pika_blink_play_script:
* @blink_scenario:
*
* This function will play the @blink_scenario and free the associated
* data once done.
*/
void
pika_blink_play_script (GList *blink_scenario)
{
BlinkStep *step;
g_return_if_fail (g_list_length (blink_scenario) > 0);
step = blink_scenario->data;
g_object_set_data_full (G_OBJECT (step->widget),
"pika-widget-blink-script",
blink_scenario,
(GDestroyNotify) pika_blink_free_script);
pika_widget_blink (step->widget);
}
void
pika_widget_blink_rect (GtkWidget *widget,
GdkRectangle *rect)
{
WidgetBlink *blink;
g_return_if_fail (GTK_IS_WIDGET (widget));
pika_widget_blink_cancel (widget);
blink = widget_blink_new ();
blink->rect = g_slice_new (GdkRectangle);
*(blink->rect) = *rect;
g_object_set_data_full (G_OBJECT (widget), "pika-widget-blink", blink,
(GDestroyNotify) widget_blink_free);
blink->timeout_id = g_timeout_add (150,
(GSourceFunc) pika_widget_blink_timeout,
widget);
pika_highlight_widget (widget, TRUE, blink->rect);
while ((widget = gtk_widget_get_parent (widget)))
pika_widget_blink_cancel (widget);
}
void
pika_widget_blink_cancel (GtkWidget *widget)
{
g_return_if_fail (GTK_IS_WIDGET (widget));
if (g_object_get_data (G_OBJECT (widget), "pika-widget-blink"))
{
pika_highlight_widget (widget, FALSE, NULL);
g_object_set_data (G_OBJECT (widget), "pika-widget-blink", NULL);
}
}
/**
* pika_blink_toolbox:
* @pika:
* @action_name:
* @blink_scenario:
*
* This is similar to pika_blink_dockable() for the toolbox
* specifically. What it will do, additionally to blink the tool button,
* is first to activate it.
*
* Also the identifier is easy as it is simply the action name.
*/
void
pika_blink_toolbox (Pika *pika,
const gchar *action_name,
GList **blink_scenario)
{
PikaUIManager *ui_manager;
GtkWidget *toolbox;
/* As a special case, for the toolbox, we don't just raise it,
* we also select the tool if one was requested.
*/
toolbox = pika_window_strategy_show_dockable_dialog (PIKA_WINDOW_STRATEGY (pika_get_window_strategy (pika)),
pika,
pika_dialog_factory_get_singleton (),
pika_get_monitor_at_pointer (),
"pika-toolbox");
/* Find and activate the tool. */
if (toolbox && action_name != NULL &&
(ui_manager = pika_dock_get_ui_manager (PIKA_DOCK (toolbox))))
{
PikaAction *action;
action = pika_ui_manager_find_action (ui_manager, "tools", action_name);
pika_action_activate (PIKA_ACTION (action));
}
pika_blink_dockable (pika, "pika-toolbox", action_name, NULL, blink_scenario);
}
/**
* pika_blink_dockable:
* @pika:
* @dockable_identifier:
* @widget_identifier:
* @settings_value:
* @blink_scenario:
*
* This function will raise the dockable identified by
* @dockable_identifier. The list of dockable identifiers can be found
* in `app/dialogs/dialogs.c`.
*
* Then it will find the widget identified by @widget_identifier. Note
* that for propwidgets, this is usually the associated property name.
*
* If @settings_value is set, then it will try to change the widget
* value, depending the type of widgets. Note that for now, only
* property widgets of enum, int or boolean types can be set (so the
* @settings_value string must represent an int value).
*
* Finally it will either blink this widget immediately to raise
* attention, or add it to the @blink_scenario if not %NULL. The blink
* scenario must be explicitly started with pika_blink_play_script()
* when ready. @blink_scenario should be considered as opaque data, so
* you should not free it directly and let pika_blink_play_script() do
* so for you.
*/
void
pika_blink_dockable (Pika *pika,
const gchar *dockable_identifier,
const gchar *widget_identifier,
const gchar *settings_value,
GList **blink_scenario)
{
GtkWidget *dockable;
GdkMonitor *monitor;
BlinkSearch *data;
g_return_if_fail (PIKA_IS_PIKA (pika));
monitor = pika_get_monitor_at_pointer ();
dockable = pika_window_strategy_show_dockable_dialog (
PIKA_WINDOW_STRATEGY (pika_get_window_strategy (pika)),
pika,
pika_dialog_factory_get_singleton (),
monitor,
dockable_identifier);
if (! dockable)
return;
if (widget_identifier)
{
data = g_slice_new (BlinkSearch);
data->blink_script = blink_scenario;
data->widget_identifier = widget_identifier;
data->settings_value = settings_value;
gtk_container_foreach (GTK_CONTAINER (dockable),
(GtkCallback) pika_search_widget_rec,
(gpointer) data);
g_slice_free (BlinkSearch, data);
}
}
/**
* pika_dock_with_window_new:
* @factory: a #PikaDialogFacotry
* @monitor: the #GdkMonitor the dock window should appear on
* @toolbox: if %TRUE; gives a "pika-toolbox-window" with a
* "pika-toolbox", "pika-dock-window"+"pika-dock"
* otherwise
*
* Returns: the newly created #PikaDock with the #PikaDockWindow
**/
GtkWidget *
pika_dock_with_window_new (PikaDialogFactory *factory,
GdkMonitor *monitor,
gboolean toolbox)
{
GtkWidget *dock_window;
PikaDockContainer *dock_container;
GtkWidget *dock;
PikaUIManager *ui_manager;
g_return_val_if_fail (PIKA_IS_DIALOG_FACTORY (factory), NULL);
g_return_val_if_fail (GDK_IS_MONITOR (monitor), 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 = pika_dialog_factory_dialog_new (factory, monitor,
NULL /*ui_manager*/,
NULL,
(toolbox ?
"pika-toolbox-window" :
"pika-dock-window"),
-1 /*view_size*/,
FALSE /*present*/);
dock_container = PIKA_DOCK_CONTAINER (dock_window);
ui_manager = pika_dock_container_get_ui_manager (dock_container);
dock = pika_dialog_factory_dialog_new (factory, monitor,
ui_manager,
dock_window,
(toolbox ?
"pika-toolbox" :
"pika-dock"),
-1 /*view_size*/,
FALSE /*present*/);
if (dock)
pika_dock_window_add_dock (PIKA_DOCK_WINDOW (dock_window),
PIKA_DOCK (dock),
-1);
return dock;
}
GtkWidget *
pika_tools_get_tool_options_gui (PikaToolOptions *tool_options)
{
GtkWidget *widget;
widget = g_object_get_data (G_OBJECT (tool_options),
PIKA_TOOL_OPTIONS_GUI_KEY);
if (! widget)
{
PikaToolOptionsGUIFunc func;
func = g_object_get_data (G_OBJECT (tool_options),
PIKA_TOOL_OPTIONS_GUI_FUNC_KEY);
if (func)
{
widget = func (tool_options);
pika_tools_set_tool_options_gui (tool_options, widget);
}
}
return widget;
}
void
pika_tools_set_tool_options_gui (PikaToolOptions *tool_options,
GtkWidget *widget)
{
GtkWidget *prev_widget;
prev_widget = g_object_get_data (G_OBJECT (tool_options),
PIKA_TOOL_OPTIONS_GUI_KEY);
if (widget == prev_widget)
return;
if (prev_widget)
gtk_widget_destroy (prev_widget);
g_object_set_data_full (G_OBJECT (tool_options),
PIKA_TOOL_OPTIONS_GUI_KEY,
widget ? g_object_ref_sink (widget) : NULL,
widget ? (GDestroyNotify) g_object_unref : NULL);
}
void
pika_tools_set_tool_options_gui_func (PikaToolOptions *tool_options,
PikaToolOptionsGUIFunc func)
{
g_object_set_data (G_OBJECT (tool_options),
PIKA_TOOL_OPTIONS_GUI_FUNC_KEY,
func);
}
gboolean
pika_widget_get_fully_opaque (GtkWidget *widget)
{
g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
return g_object_get_data (G_OBJECT (widget),
"pika-widget-fully-opaque") != NULL;
}
void
pika_widget_set_fully_opaque (GtkWidget *widget,
gboolean fully_opaque)
{
g_return_if_fail (GTK_IS_WIDGET (widget));
return g_object_set_data (G_OBJECT (widget),
"pika-widget-fully-opaque",
GINT_TO_POINTER (fully_opaque));
}
static void
pika_gtk_container_clear_callback (GtkWidget *widget,
GtkContainer *container)
{
gtk_container_remove (container, widget);
}
void
pika_gtk_container_clear (GtkContainer *container)
{
gtk_container_foreach (container,
(GtkCallback) pika_gtk_container_clear_callback,
container);
}
void
pika_button_set_suggested (GtkWidget *button,
gboolean suggested,
GtkReliefStyle default_relief)
{
GtkStyleContext *style;
g_return_if_fail (GTK_IS_BUTTON (button));
style = gtk_widget_get_style_context (button);
if (suggested)
{
gtk_style_context_add_class (style, "suggested-action");
gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NORMAL);
}
else
{
gtk_style_context_remove_class (style, "suggested-action");
gtk_button_set_relief (GTK_BUTTON (button), default_relief);
}
}
void
pika_button_set_destructive (GtkWidget *button,
gboolean destructive,
GtkReliefStyle default_relief)
{
GtkStyleContext *style;
g_return_if_fail (GTK_IS_BUTTON (button));
style = gtk_widget_get_style_context (button);
if (destructive)
{
gtk_style_context_add_class (style, "destructive-action");
gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NORMAL);
}
else
{
gtk_style_context_remove_class (style, "destructive-action");
gtk_button_set_relief (GTK_BUTTON (button), default_relief);
}
}
void
pika_gtk_adjustment_chain (GtkAdjustment *adjustment1,
GtkAdjustment *adjustment2)
{
g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment1));
g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment2));
g_object_bind_property (adjustment1, "value",
adjustment2, "lower",
G_BINDING_SYNC_CREATE);
g_object_bind_property (adjustment2, "value",
adjustment1, "upper",
G_BINDING_SYNC_CREATE);
}
static gboolean
pika_print_event_free (gpointer data)
{
g_free (data);
return FALSE;
}
const gchar *
pika_print_event (const GdkEvent *event)
{
gchar *str;
gchar *tmp;
switch (event->type)
{
case GDK_ENTER_NOTIFY:
str = g_strdup_printf ("ENTER_NOTIFY (mode %d)",
event->crossing.mode);
break;
case GDK_LEAVE_NOTIFY:
str = g_strdup_printf ("LEAVE_NOTIFY (mode %d)",
event->crossing.mode);
break;
case GDK_PROXIMITY_IN:
str = g_strdup ("PROXIMITY_IN");
break;
case GDK_PROXIMITY_OUT:
str = g_strdup ("PROXIMITY_OUT");
break;
case GDK_FOCUS_CHANGE:
if (event->focus_change.in)
str = g_strdup ("FOCUS_IN");
else
str = g_strdup ("FOCUS_OUT");
break;
case GDK_BUTTON_PRESS:
str = g_strdup_printf ("BUTTON_PRESS (%d @ %0.0f:%0.0f)",
event->button.button,
event->button.x,
event->button.y);
break;
case GDK_2BUTTON_PRESS:
str = g_strdup_printf ("2BUTTON_PRESS (%d @ %0.0f:%0.0f)",
event->button.button,
event->button.x,
event->button.y);
break;
case GDK_3BUTTON_PRESS:
str = g_strdup_printf ("3BUTTON_PRESS (%d @ %0.0f:%0.0f)",
event->button.button,
event->button.x,
event->button.y);
break;
case GDK_BUTTON_RELEASE:
str = g_strdup_printf ("BUTTON_RELEASE (%d @ %0.0f:%0.0f)",
event->button.button,
event->button.x,
event->button.y);
break;
case GDK_SCROLL:
str = g_strdup_printf ("SCROLL (%d)",
event->scroll.direction);
break;
case GDK_MOTION_NOTIFY:
str = g_strdup_printf ("MOTION_NOTIFY (%0.0f:%0.0f %d)",
event->motion.x,
event->motion.y,
event->motion.time);
break;
case GDK_KEY_PRESS:
str = g_strdup_printf ("KEY_PRESS (%d, %s)",
event->key.keyval,
gdk_keyval_name (event->key.keyval) ?
gdk_keyval_name (event->key.keyval) : "<none>");
break;
case GDK_KEY_RELEASE:
str = g_strdup_printf ("KEY_RELEASE (%d, %s)",
event->key.keyval,
gdk_keyval_name (event->key.keyval) ?
gdk_keyval_name (event->key.keyval) : "<none>");
break;
default:
str = g_strdup_printf ("UNHANDLED (type %d)",
event->type);
break;
}
tmp = g_strdup_printf ("%s (device '%s', source device '%s')",
str,
gdk_device_get_name (gdk_event_get_device (event)),
gdk_device_get_name (gdk_event_get_source_device (event)));
g_free (str);
str = tmp;
g_idle_add (pika_print_event_free, str);
return str;
}
gboolean
pika_color_profile_store_add_defaults (PikaColorProfileStore *store,
PikaColorConfig *config,
PikaImageBaseType base_type,
PikaPrecision precision,
GError **error)
{
PikaColorProfile *profile;
gchar *label;
GError *my_error = NULL;
g_return_val_if_fail (PIKA_IS_COLOR_PROFILE_STORE (store), FALSE);
g_return_val_if_fail (PIKA_IS_COLOR_CONFIG (config), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
profile = pika_babl_get_builtin_color_profile (base_type,
pika_babl_trc (precision));
if (base_type == PIKA_GRAY)
{
label = g_strdup_printf (_("Built-in grayscale (%s)"),
pika_color_profile_get_label (profile));
profile = pika_color_config_get_gray_color_profile (config, &my_error);
}
else
{
label = g_strdup_printf (_("Built-in RGB (%s)"),
pika_color_profile_get_label (profile));
profile = pika_color_config_get_rgb_color_profile (config, &my_error);
}
pika_color_profile_store_add_file (store, NULL, label);
g_free (label);
if (profile)
{
gchar *path;
GFile *file;
if (base_type == PIKA_GRAY)
{
g_object_get (config, "gray-profile", &path, NULL);
file = pika_file_new_for_config_path (path, NULL);
g_free (path);
label = g_strdup_printf (_("Preferred grayscale (%s)"),
pika_color_profile_get_label (profile));
}
else
{
g_object_get (config, "rgb-profile", &path, NULL);
file = pika_file_new_for_config_path (path, NULL);
g_free (path);
label = g_strdup_printf (_("Preferred RGB (%s)"),
pika_color_profile_get_label (profile));
}
g_object_unref (profile);
pika_color_profile_store_add_file (store, file, label);
g_object_unref (file);
g_free (label);
return TRUE;
}
else if (my_error)
{
g_propagate_error (error, my_error);
return FALSE;
}
return TRUE;
}
static void
connect_path_show (PikaColorProfileChooserDialog *dialog)
{
GtkFileChooser *chooser = GTK_FILE_CHOOSER (dialog);
GFile *file = gtk_file_chooser_get_file (chooser);
if (file)
{
/* if something is already selected in this dialog,
* leave it alone
*/
g_object_unref (file);
}
else
{
GObject *config;
const gchar *property;
gchar *path = NULL;
config = g_object_get_data (G_OBJECT (dialog), "profile-path-config");
property = g_object_get_data (G_OBJECT (dialog), "profile-path-property");
g_object_get (config, property, &path, NULL);
if (path)
{
GFile *folder = pika_file_new_for_config_path (path, NULL);
if (folder)
{
gtk_file_chooser_set_current_folder_file (chooser, folder, NULL);
g_object_unref (folder);
}
g_free (path);
}
}
}
static void
connect_path_response (PikaColorProfileChooserDialog *dialog,
gint response)
{
if (response == GTK_RESPONSE_ACCEPT)
{
GtkFileChooser *chooser = GTK_FILE_CHOOSER (dialog);
GFile *file = gtk_file_chooser_get_file (chooser);
if (file)
{
GFile *folder = gtk_file_chooser_get_current_folder_file (chooser);
if (folder)
{
GObject *config;
const gchar *property;
gchar *path = NULL;
config = g_object_get_data (G_OBJECT (dialog),
"profile-path-config");
property = g_object_get_data (G_OBJECT (dialog),
"profile-path-property");
path = pika_file_get_config_path (folder, NULL);
g_object_set (config, property, path, NULL);
if (path)
g_free (path);
g_object_unref (folder);
}
g_object_unref (file);
}
}
}
void
pika_color_profile_chooser_dialog_connect_path (GtkWidget *dialog,
GObject *config,
const gchar *property_name)
{
g_return_if_fail (PIKA_IS_COLOR_PROFILE_CHOOSER_DIALOG (dialog));
g_return_if_fail (G_IS_OBJECT (config));
g_return_if_fail (property_name != NULL);
g_object_set_data_full (G_OBJECT (dialog), "profile-path-config",
g_object_ref (config),
(GDestroyNotify) g_object_unref);
g_object_set_data_full (G_OBJECT (dialog), "profile-path-property",
g_strdup (property_name),
(GDestroyNotify) g_free);
g_signal_connect (dialog, "show",
G_CALLBACK (connect_path_show),
NULL);
g_signal_connect (dialog, "response",
G_CALLBACK (connect_path_response),
NULL);
}
void
pika_widget_flush_expose (void)
{
while (g_main_context_pending (NULL))
g_main_context_iteration (NULL, FALSE);
}
void
pika_make_valid_action_name (gchar *action_name)
{
/* g_action_name_is_valid() says: "action_name is valid if it consists only of
* alphanumeric characters, plus ‘-‘ and ‘.’. The empty string is not a valid
* action name."
*/
for (gint i = 0; action_name[i] != '\0'; i++)
{
if (action_name[i] == '-' || action_name[i] == '.' ||
(action_name[i] >= 'a' && action_name[i] <= 'z') ||
(action_name[i] >= 'A' && action_name[i] <= 'Z') ||
(action_name[i] >= '0' && action_name[i] <= '9'))
continue;
action_name[i] = '-';
}
}
/* private functions */
static void
pika_widget_blink_after (GtkWidget *widget,
gint ms_timeout)
{
WidgetBlink *blink;
g_return_if_fail (GTK_IS_WIDGET (widget));
blink = widget_blink_new ();
g_object_set_data_full (G_OBJECT (widget), "pika-widget-blink", blink,
(GDestroyNotify) widget_blink_free);
blink->timeout_id = g_timeout_add (ms_timeout,
(GSourceFunc) pika_widget_blink_start_timeout,
widget);
}
static void
pika_search_widget_rec (GtkWidget *widget,
BlinkSearch *data)
{
GList **blink_script = data->blink_script;
const gchar *searched_id = data->widget_identifier;
const gchar *settings_value = data->settings_value;
const gchar *id;
id = g_object_get_data (G_OBJECT (widget),
"pika-widget-identifier");
if (id == NULL)
/* Using propwidgets identifiers as fallback. */
id = g_object_get_data (G_OBJECT (widget),
"pika-widget-property-name");
if (id && g_strcmp0 (id, searched_id) == 0)
{
/* Giving focus to help scrolling the dockable so that the
* widget is visible. Note that it seems to work fine if the
* dockable was already present, not if it was just created.
*
* TODO: this should be fixed so that we always make the
* widget visible before blinking, otherwise it's a bit
* useless when this happens.
*/
gtk_widget_grab_focus (widget);
if (blink_script)
pika_widget_script_blink (widget, settings_value, blink_script);
else if (gtk_widget_is_visible (widget))
pika_widget_blink (widget);
}
else if (GTK_IS_CONTAINER (widget))
{
gtk_container_foreach (GTK_CONTAINER (widget),
(GtkCallback) pika_search_widget_rec,
(gpointer) data);
}
}
static void
pika_blink_free_script (GList *blink_scenario)
{
GList *iter;
for (iter = blink_scenario; iter; iter = iter->next)
{
BlinkStep *step = iter->data;
g_free (step->settings_value);
g_slice_free (BlinkStep, step);
}
g_list_free (blink_scenario);
}
gchar *
pika_utils_make_canonical_menu_label (const gchar *path)
{
gchar **split_path;
gchar *canon_path;
/* The first underscore of each path item is a mnemonic. */
split_path = g_strsplit (path, "_", 2);
canon_path = g_strjoinv ("", split_path);
g_strfreev (split_path);
return canon_path;
}
/**
* pika_utils_break_menu_path:
* @path:
* @section_name:
*
* Break @path which is in the form "/_some/p_ath" into a GStrv containing "some"
* and "path", in a canonical way:
* - Multiple slashes are folded to one (e.g. "//some///path/" and "/some/path"
* are equivalent).
* - End slash or none are equivalent.
* - Individual path components are canonicalized with
* pika_utils_make_canonical_menu_label(), in particular with mnemonic
* underscore removed.
*
* Moreover if @section_name is not %NULL, then a path component of the form
* "[section]" at the end of the path will be removed and "section" will be
* stored inside @section_name. Furthermore, "[[label]]" or "[[label]" will both
* be transformed into a component path "[label]", without being removed, as a
* way to create menu paths containing square brackets.
*/
gchar **
pika_utils_break_menu_path (const gchar *path,
gchar **mnemonic_path1,
gchar **section_name)
{
GRegex *path_regex;
gchar **paths;
GString *mnemonic_string = NULL;
gint start = 0;
g_return_val_if_fail (path != NULL, NULL);
path_regex = g_regex_new ("/+", 0, 0, NULL);
if (mnemonic_path1 != NULL)
mnemonic_string = g_string_new (NULL);
/* Get rid of leading slashes. */
while (path[start] == '/' && path[start] != '\0')
start++;
/* Get rid of empty last item because of trailing slashes. */
paths = g_regex_split (path_regex, path + start, 0);
if (g_strv_length (paths) > 0 &&
strlen (paths[g_strv_length (paths) - 1]) == 0)
{
g_free (paths[g_strv_length (paths) - 1]);
paths[g_strv_length (paths) - 1] = NULL;
}
for (int i = 0; paths[i]; i++)
{
gchar *canon_path;
if (section_name && paths[i + 1] == NULL)
{
gint path_len;
path_len = strlen (paths[i]);
if (path_len > 2 && paths[i][0] == '[' && paths[i][path_len - 1] == ']')
{
if (paths[i][1] == '[')
{
if (paths[i][path_len - 2] == ']')
paths[i][path_len - 1] = '\0';
canon_path = g_strdup (paths[i] + 1);
g_free (paths[i]);
paths[i] = canon_path;
}
else
{
paths[i][path_len - 1] = '\0';
*section_name = g_strdup (paths[i] + 1);
g_free (paths[i]);
paths[i] = NULL;
break;
}
}
}
if (mnemonic_string != NULL)
g_string_append_printf (mnemonic_string, "/%s", paths[i]);
canon_path = pika_utils_make_canonical_menu_label (paths[i]);
g_free (paths[i]);
paths[i] = canon_path;
}
if (mnemonic_path1 != NULL)
*mnemonic_path1 = g_string_free (mnemonic_string, FALSE);
g_regex_unref (path_regex);
return paths;
}
gboolean
pika_utils_are_menu_path_identical (const gchar *path1,
const gchar *path2,
gchar **canonical_path1,
gchar **mnemonic_path1,
gchar **path1_section_name)
{
gchar **paths1;
gchar **paths2;
gboolean identical = TRUE;
if (path1 == NULL)
path1 = "/";
if (path2 == NULL)
path2 = "/";
paths1 = pika_utils_break_menu_path (path1, mnemonic_path1, path1_section_name);
paths2 = pika_utils_break_menu_path (path2, NULL, NULL);
if (g_strv_length (paths1) != g_strv_length (paths2))
{
identical = FALSE;
}
else
{
for (int i = 0; paths1[i]; i++)
{
if (g_strcmp0 (paths1[i], paths2[i]) != 0)
{
identical = FALSE;
break;
}
}
}
if (canonical_path1)
{
gchar *joined = g_strjoinv ("/", paths1);
*canonical_path1 = g_strdup_printf ("/%s", joined);
g_free (joined);
}
g_strfreev (paths1);
g_strfreev (paths2);
return identical;
}
static gboolean
pika_window_transient_on_mapped (GtkWidget *window,
GdkEventAny *event G_GNUC_UNUSED,
PikaProgress *progress)
{
GBytes *handle;
handle = pika_progress_get_window_id (progress);
if (handle == NULL)
return FALSE;
pika_window_set_transient_cb (window, NULL, handle);
g_bytes_unref (handle);
return FALSE;
}
static void
pika_window_set_transient_cb (GtkWidget *window,
GdkEventAny *event G_GNUC_UNUSED,
GBytes *handle)
{
gboolean transient_set = FALSE;
g_return_if_fail (handle != NULL);
#ifdef GDK_WINDOWING_WAYLAND
if (GDK_IS_WAYLAND_DISPLAY (gdk_display_get_default ()))
{
char *wayland_handle;
wayland_handle = (char *) g_bytes_get_data (handle, NULL);
gdk_wayland_window_set_transient_for_exported (gtk_widget_get_window (window),
wayland_handle);
transient_set = TRUE;
}
#endif
#ifdef GDK_WINDOWING_X11
if (! transient_set && GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
{
GdkWindow *parent;
Window *handle_data;
Window parent_ID;
gsize handle_size;
handle_data = (Window *) g_bytes_get_data (handle, &handle_size);
g_return_if_fail (handle_size == sizeof (Window));
parent_ID = *handle_data;
parent = pika_get_foreign_window ((gpointer) parent_ID);
if (parent)
gdk_window_set_transient_for (gtk_widget_get_window (window), parent);
transient_set = TRUE;
}
#endif
/* Cross-process transient-for is broken in gdk/win32. It causes hangs of the
* main process and we still don't know why.
* If it eventually is fixed to actually work, change this to a run-time check
* of GTK+ version. Remember to change also pika_window_transient_on_mapped()
* in libpika/pikaui.c
*
* Note: this hanging bug is still happening with GTK+3 as of mid-2023 with
* steps described in comment 4 in:
* https://bugzilla.gnome.org/show_bug.cgi?id=359538
*/
#if 0 && defined (GDK_WINDOWING_WIN32)
if (! transient_set)
{
GdkWindow *parent;
HANDLE *handle_data;
HANDLE parent_ID;
gsize handle_size;
handle_data = (HANDLE *) g_bytes_get_data (handle, &handle_size);
g_return_if_fail (handle_size == sizeof (HANDLE));
parent_ID = *handle_data;
parent = pika_get_foreign_window ((gpointer) parent_ID);
if (parent)
gdk_window_set_transient_for (gtk_widget_get_window (window), parent);
transient_set = TRUE;
}
#endif
}
void
pika_window_set_title_bar_theme (Pika *pika,
GtkWidget *dialog,
gboolean is_main_window)
{
#ifdef G_OS_WIN32
HWND hwnd;
GdkWindow *window = NULL;
gboolean use_dark_mode = FALSE;
window = gtk_widget_get_window (GTK_WIDGET (dialog));
if (window)
{
if (pika)
{
PikaGuiConfig *config;
config = PIKA_GUI_CONFIG (pika->config);
use_dark_mode = config->prefer_dark_theme;
}
else
{
GtkStyleContext *style;
GdkRGBA *color = NULL;
/* Workaround if we don't have access to PikaGuiConfig.
* If the background color is below the threshold, then we're
* likely in dark mode.
*/
style = gtk_widget_get_style_context (dialog);
gtk_style_context_get (style, gtk_style_context_get_state (style),
GTK_STYLE_PROPERTY_BACKGROUND_COLOR, &color,
NULL);
if (color)
{
if (color->red < 0.5 && color->green < 0.5 && color->blue < 0.5)
use_dark_mode = TRUE;
gdk_rgba_free (color);
}
}
hwnd = (HWND) gdk_win32_window_get_handle (window);
DwmSetWindowAttribute (hwnd, DWMWA_USE_IMMERSIVE_DARK_MODE,
&use_dark_mode, sizeof (use_dark_mode));
if (! is_main_window)
{
/* Toggle the window's visibility so the title bar change appears */
gdk_window_hide (window);
gdk_window_show (window);
}
}
#endif
}
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