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Gimp/app/actions/actions.c
Ell 9de3b475ae app: streamline action_data_get_foo() functions 
Streamline the various action_data_get_foo() functions, by having
each function only match the action data directly against its
specific type(s), and use the other functions to match the action
data against their corresponding types, instead of having each
function directly exhaust all possible matches.

Other than reducing depulication, it fixes certain cases in which
some action_data_get_foo() functions would fail to find a match,
even though one exists, since they failed to exhaust all the
options.

(cherry picked from commit 914200f3ad)
2019-02-25 05:10:58 -05:00

737 lines
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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimptooloptions.h"
#include "core/gimptoolinfo.h"
#include "widgets/gimpactionfactory.h"
#include "widgets/gimpactiongroup.h"
#include "widgets/gimpcontainereditor.h"
#include "widgets/gimpcontainerview.h"
#include "widgets/gimpdock.h"
#include "widgets/gimpdockable.h"
#include "widgets/gimpdockwindow.h"
#include "widgets/gimpimageeditor.h"
#include "widgets/gimpitemtreeview.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "display/gimpimagewindow.h"
#include "display/gimpnavigationeditor.h"
#include "display/gimpstatusbar.h"
#include "dialogs/dialogs.h"
#include "actions.h"
#include "brush-editor-actions.h"
#include "brushes-actions.h"
#include "buffers-actions.h"
#include "channels-actions.h"
#include "colormap-actions.h"
#include "context-actions.h"
#include "cursor-info-actions.h"
#include "dashboard-actions.h"
#include "debug-actions.h"
#include "dialogs-actions.h"
#include "dock-actions.h"
#include "dockable-actions.h"
#include "documents-actions.h"
#include "drawable-actions.h"
#include "dynamics-actions.h"
#include "dynamics-editor-actions.h"
#include "edit-actions.h"
#include "error-console-actions.h"
#include "file-actions.h"
#include "filters-actions.h"
#include "fonts-actions.h"
#include "gradient-editor-actions.h"
#include "gradients-actions.h"
#include "help-actions.h"
#include "image-actions.h"
#include "images-actions.h"
#include "layers-actions.h"
#include "mypaint-brushes-actions.h"
#include "palette-editor-actions.h"
#include "palettes-actions.h"
#include "patterns-actions.h"
#include "plug-in-actions.h"
#include "quick-mask-actions.h"
#include "sample-points-actions.h"
#include "select-actions.h"
#include "templates-actions.h"
#include "text-editor-actions.h"
#include "text-tool-actions.h"
#include "tool-options-actions.h"
#include "tool-presets-actions.h"
#include "tool-preset-editor-actions.h"
#include "tools-actions.h"
#include "vectors-actions.h"
#include "view-actions.h"
#include "windows-actions.h"
#include "gimp-intl.h"
/* global variables */
GimpActionFactory *global_action_factory = NULL;
/* private variables */
static const GimpActionFactoryEntry action_groups[] =
{
{ "brush-editor", N_("Brush Editor"), GIMP_ICON_BRUSH,
brush_editor_actions_setup,
brush_editor_actions_update },
{ "brushes", N_("Brushes"), GIMP_ICON_BRUSH,
brushes_actions_setup,
brushes_actions_update },
{ "buffers", N_("Buffers"), GIMP_ICON_BUFFER,
buffers_actions_setup,
buffers_actions_update },
{ "channels", N_("Channels"), GIMP_ICON_CHANNEL,
channels_actions_setup,
channels_actions_update },
{ "colormap", N_("Colormap"), GIMP_ICON_COLORMAP,
colormap_actions_setup,
colormap_actions_update },
{ "context", N_("Context"), GIMP_ICON_DIALOG_TOOL_OPTIONS /* well... */,
context_actions_setup,
context_actions_update },
{ "cursor-info", N_("Pointer Information"), NULL,
cursor_info_actions_setup,
cursor_info_actions_update },
{ "dashboard", N_("Dashboard"), GIMP_ICON_DIALOG_DASHBOARD,
dashboard_actions_setup,
dashboard_actions_update },
{ "debug", N_("Debug"), NULL,
debug_actions_setup,
debug_actions_update },
{ "dialogs", N_("Dialogs"), NULL,
dialogs_actions_setup,
dialogs_actions_update },
{ "dock", N_("Dock"), NULL,
dock_actions_setup,
dock_actions_update },
{ "dockable", N_("Dockable"), NULL,
dockable_actions_setup,
dockable_actions_update },
{ "documents", N_("Document History"), NULL,
documents_actions_setup,
documents_actions_update },
{ "drawable", N_("Drawable"), GIMP_ICON_LAYER,
drawable_actions_setup,
drawable_actions_update },
{ "dynamics", N_("Paint Dynamics"), GIMP_ICON_DYNAMICS,
dynamics_actions_setup,
dynamics_actions_update },
{ "dynamics-editor", N_("Paint Dynamics Editor"), GIMP_ICON_DYNAMICS,
dynamics_editor_actions_setup,
dynamics_editor_actions_update },
{ "edit", N_("Edit"), GIMP_ICON_EDIT,
edit_actions_setup,
edit_actions_update },
{ "error-console", N_("Error Console"), GIMP_ICON_DIALOG_WARNING,
error_console_actions_setup,
error_console_actions_update },
{ "file", N_("File"), "text-x-generic",
file_actions_setup,
file_actions_update },
{ "filters", N_("Filters"), GIMP_ICON_GEGL,
filters_actions_setup,
filters_actions_update },
{ "fonts", N_("Fonts"), GIMP_ICON_FONT,
fonts_actions_setup,
fonts_actions_update },
{ "gradient-editor", N_("Gradient Editor"), GIMP_ICON_GRADIENT,
gradient_editor_actions_setup,
gradient_editor_actions_update },
{ "gradients", N_("Gradients"), GIMP_ICON_GRADIENT,
gradients_actions_setup,
gradients_actions_update },
{ "tool-presets", N_("Tool Presets"), GIMP_ICON_TOOL_PRESET,
tool_presets_actions_setup,
tool_presets_actions_update },
{ "tool-preset-editor", N_("Tool Preset Editor"), GIMP_ICON_TOOL_PRESET,
tool_preset_editor_actions_setup,
tool_preset_editor_actions_update },
{ "help", N_("Help"), "help-browser",
help_actions_setup,
help_actions_update },
{ "image", N_("Image"), GIMP_ICON_IMAGE,
image_actions_setup,
image_actions_update },
{ "images", N_("Images"), GIMP_ICON_IMAGE,
images_actions_setup,
images_actions_update },
{ "layers", N_("Layers"), GIMP_ICON_LAYER,
layers_actions_setup,
layers_actions_update },
{ "mypaint-brushes", N_("MyPaint Brushes"), GIMP_ICON_MYPAINT_BRUSH,
mypaint_brushes_actions_setup,
mypaint_brushes_actions_update },
{ "palette-editor", N_("Palette Editor"), GIMP_ICON_PALETTE,
palette_editor_actions_setup,
palette_editor_actions_update },
{ "palettes", N_("Palettes"), GIMP_ICON_PALETTE,
palettes_actions_setup,
palettes_actions_update },
{ "patterns", N_("Patterns"), GIMP_ICON_PATTERN,
patterns_actions_setup,
patterns_actions_update },
{ "plug-in", N_("Plug-ins"), GIMP_ICON_PLUGIN,
plug_in_actions_setup,
plug_in_actions_update },
{ "quick-mask", N_("Quick Mask"), GIMP_ICON_QUICK_MASK_ON,
quick_mask_actions_setup,
quick_mask_actions_update },
{ "sample-points", N_("Sample Points"), GIMP_ICON_SAMPLE_POINT,
sample_points_actions_setup,
sample_points_actions_update },
{ "select", N_("Select"), GIMP_ICON_SELECTION,
select_actions_setup,
select_actions_update },
{ "templates", N_("Templates"), GIMP_ICON_TEMPLATE,
templates_actions_setup,
templates_actions_update },
{ "text-tool", N_("Text Tool"), GIMP_ICON_EDIT,
text_tool_actions_setup,
text_tool_actions_update },
{ "text-editor", N_("Text Editor"), GIMP_ICON_EDIT,
text_editor_actions_setup,
text_editor_actions_update },
{ "tool-options", N_("Tool Options"), GIMP_ICON_DIALOG_TOOL_OPTIONS,
tool_options_actions_setup,
tool_options_actions_update },
{ "tools", N_("Tools"), GIMP_ICON_DIALOG_TOOLS,
tools_actions_setup,
tools_actions_update },
{ "vectors", N_("Paths"), GIMP_ICON_PATH,
vectors_actions_setup,
vectors_actions_update },
{ "view", N_("View"), GIMP_ICON_VISIBLE,
view_actions_setup,
view_actions_update },
{ "windows", N_("Windows"), NULL,
windows_actions_setup,
windows_actions_update }
};
/* public functions */
void
actions_init (Gimp *gimp)
{
gint i;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (global_action_factory == NULL);
global_action_factory = gimp_action_factory_new (gimp);
for (i = 0; i < G_N_ELEMENTS (action_groups); i++)
gimp_action_factory_group_register (global_action_factory,
action_groups[i].identifier,
gettext (action_groups[i].label),
action_groups[i].icon_name,
action_groups[i].setup_func,
action_groups[i].update_func);
}
void
actions_exit (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (global_action_factory != NULL);
g_return_if_fail (global_action_factory->gimp == gimp);
g_clear_object (&global_action_factory);
}
Gimp *
action_data_get_gimp (gpointer data)
{
Gimp *result = NULL;
static gboolean recursion = FALSE;
if (! data || recursion)
return NULL;
recursion = TRUE;
if (GIMP_IS_GIMP (data))
result = data;
if (! result)
{
GimpDisplay *display = action_data_get_display (data);
if (display)
result = display->gimp;
}
if (! result)
{
GimpContext *context = action_data_get_context (data);
if (context)
result = context->gimp;
}
recursion = FALSE;
return result;
}
GimpContext *
action_data_get_context (gpointer data)
{
GimpContext *result = NULL;
static gboolean recursion = FALSE;
if (! data || recursion)
return NULL;
recursion = TRUE;
if (GIMP_IS_DOCK (data))
result = gimp_dock_get_context ((GimpDock *) data);
else if (GIMP_IS_DOCK_WINDOW (data))
result = gimp_dock_window_get_context (((GimpDockWindow *) data));
else if (GIMP_IS_CONTAINER_VIEW (data))
result = gimp_container_view_get_context ((GimpContainerView *) data);
else if (GIMP_IS_CONTAINER_EDITOR (data))
result = gimp_container_view_get_context (((GimpContainerEditor *) data)->view);
else if (GIMP_IS_IMAGE_EDITOR (data))
result = ((GimpImageEditor *) data)->context;
else if (GIMP_IS_NAVIGATION_EDITOR (data))
result = ((GimpNavigationEditor *) data)->context;
if (! result)
{
Gimp *gimp = action_data_get_gimp (data);
if (gimp)
result = gimp_get_user_context (gimp);
}
recursion = FALSE;
return result;
}
GimpImage *
action_data_get_image (gpointer data)
{
GimpImage *result = NULL;
static gboolean recursion = FALSE;
if (! data || recursion)
return NULL;
recursion = TRUE;
if (GIMP_IS_ITEM_TREE_VIEW (data))
result = gimp_item_tree_view_get_image ((GimpItemTreeView *) data);
else if (GIMP_IS_IMAGE_EDITOR (data))
result = ((GimpImageEditor *) data)->image;
if (! result)
{
GimpDisplay *display = action_data_get_display (data);
if (display)
result = gimp_display_get_image (display);
}
if (! result)
{
GimpContext *context = action_data_get_context (data);
if (context)
result = gimp_context_get_image (context);
}
recursion = FALSE;
return result;
}
GimpDisplay *
action_data_get_display (gpointer data)
{
GimpDisplay *result = NULL;
static gboolean recursion = FALSE;
if (! data || recursion)
return NULL;
recursion = TRUE;
if (GIMP_IS_DISPLAY (data))
result = data;
else if (GIMP_IS_IMAGE_WINDOW (data))
{
GimpDisplayShell *shell = gimp_image_window_get_active_shell (data);
result = shell ? shell->display : NULL;
}
if (! result)
{
GimpContext *context = action_data_get_context (data);
if (context)
result = gimp_context_get_display (context);
}
recursion = FALSE;
return result;
}
GimpDisplayShell *
action_data_get_shell (gpointer data)
{
GimpDisplayShell *result = NULL;
static gboolean recursion = FALSE;
if (! data || recursion)
return NULL;
recursion = TRUE;
if (! result)
{
GimpDisplay *display = action_data_get_display (data);
if (display)
result = gimp_display_get_shell (display);
}
recursion = FALSE;
return result;
}
GtkWidget *
action_data_get_widget (gpointer data)
{
GtkWidget *result = NULL;
static gboolean recursion = FALSE;
if (! data || recursion)
return NULL;
recursion = TRUE;
if (GTK_IS_WIDGET (data))
result = data;
if (! result)
{
GimpDisplay *display = action_data_get_display (data);
if (display)
result = GTK_WIDGET (gimp_display_get_shell (display));
}
if (! result)
result = dialogs_get_toolbox ();
recursion = FALSE;
return result;
}
gint
action_data_sel_count (gpointer data)
{
if (GIMP_IS_CONTAINER_EDITOR (data))
{
GimpContainerEditor *editor;
editor = GIMP_CONTAINER_EDITOR (data);
return gimp_container_view_get_selected (editor->view, NULL);
}
else
{
return 0;
}
}
gdouble
action_select_value (GimpActionSelectType select_type,
gdouble value,
gdouble min,
gdouble max,
gdouble def,
gdouble small_inc,
gdouble inc,
gdouble skip_inc,
gdouble delta_factor,
gboolean wrap)
{
switch (select_type)
{
case GIMP_ACTION_SELECT_SET_TO_DEFAULT:
value = def;
break;
case GIMP_ACTION_SELECT_FIRST:
value = min;
break;
case GIMP_ACTION_SELECT_LAST:
value = max;
break;
case GIMP_ACTION_SELECT_SMALL_PREVIOUS:
value -= small_inc;
break;
case GIMP_ACTION_SELECT_SMALL_NEXT:
value += small_inc;
break;
case GIMP_ACTION_SELECT_PREVIOUS:
value -= inc;
break;
case GIMP_ACTION_SELECT_NEXT:
value += inc;
break;
case GIMP_ACTION_SELECT_SKIP_PREVIOUS:
value -= skip_inc;
break;
case GIMP_ACTION_SELECT_SKIP_NEXT:
value += skip_inc;
break;
case GIMP_ACTION_SELECT_PERCENT_PREVIOUS:
g_return_val_if_fail (delta_factor >= 0.0, value);
value /= (1.0 + delta_factor);
break;
case GIMP_ACTION_SELECT_PERCENT_NEXT:
g_return_val_if_fail (delta_factor >= 0.0, value);
value *= (1.0 + delta_factor);
break;
default:
if ((gint) select_type >= 0)
value = (gdouble) select_type * (max - min) / 1000.0 + min;
else
g_return_val_if_reached (value);
break;
}
if (wrap)
{
while (value < min)
value = max - (min - value);
while (value > max)
value = min + (value - max);
}
else
{
value = CLAMP (value, min, max);
}
return value;
}
void
action_select_property (GimpActionSelectType select_type,
GimpDisplay *display,
GObject *object,
const gchar *property_name,
gdouble small_inc,
gdouble inc,
gdouble skip_inc,
gdouble delta_factor,
gboolean wrap)
{
GParamSpec *pspec;
g_return_if_fail (display == NULL || GIMP_IS_DISPLAY (display));
g_return_if_fail (G_IS_OBJECT (object));
g_return_if_fail (property_name != NULL);
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
property_name);
if (G_IS_PARAM_SPEC_DOUBLE (pspec))
{
gdouble value;
g_object_get (object, property_name, &value, NULL);
value = action_select_value (select_type,
value,
G_PARAM_SPEC_DOUBLE (pspec)->minimum,
G_PARAM_SPEC_DOUBLE (pspec)->maximum,
G_PARAM_SPEC_DOUBLE (pspec)->default_value,
small_inc, inc, skip_inc, delta_factor, wrap);
g_object_set (object, property_name, value, NULL);
if (display)
{
const gchar *blurb = g_param_spec_get_blurb (pspec);
if (blurb)
{
/* value description and new value shown in the status bar */
action_message (display, object, _("%s: %.2f"), blurb, value);
}
}
}
else if (G_IS_PARAM_SPEC_INT (pspec))
{
gint value;
g_object_get (object, property_name, &value, NULL);
value = action_select_value (select_type,
value,
G_PARAM_SPEC_INT (pspec)->minimum,
G_PARAM_SPEC_INT (pspec)->maximum,
G_PARAM_SPEC_INT (pspec)->default_value,
small_inc, inc, skip_inc, delta_factor, wrap);
g_object_set (object, property_name, value, NULL);
if (display)
{
const gchar *blurb = g_param_spec_get_blurb (pspec);
if (blurb)
{
/* value description and new value shown in the status bar */
action_message (display, object, _("%s: %d"), blurb, value);
}
}
}
else
{
g_return_if_reached ();
}
}
GimpObject *
action_select_object (GimpActionSelectType select_type,
GimpContainer *container,
GimpObject *current)
{
gint select_index;
gint n_children;
g_return_val_if_fail (GIMP_IS_CONTAINER (container), NULL);
g_return_val_if_fail (current == NULL || GIMP_IS_OBJECT (current), NULL);
if (! current)
return NULL;
n_children = gimp_container_get_n_children (container);
if (n_children == 0)
return NULL;
switch (select_type)
{
case GIMP_ACTION_SELECT_FIRST:
select_index = 0;
break;
case GIMP_ACTION_SELECT_LAST:
select_index = n_children - 1;
break;
case GIMP_ACTION_SELECT_PREVIOUS:
select_index = gimp_container_get_child_index (container, current) - 1;
break;
case GIMP_ACTION_SELECT_NEXT:
select_index = gimp_container_get_child_index (container, current) + 1;
break;
case GIMP_ACTION_SELECT_SKIP_PREVIOUS:
select_index = gimp_container_get_child_index (container, current) - 10;
break;
case GIMP_ACTION_SELECT_SKIP_NEXT:
select_index = gimp_container_get_child_index (container, current) + 10;
break;
default:
if ((gint) select_type >= 0)
select_index = (gint) select_type;
else
g_return_val_if_reached (current);
break;
}
select_index = CLAMP (select_index, 0, n_children - 1);
return gimp_container_get_child_by_index (container, select_index);
}
void
action_message (GimpDisplay *display,
GObject *object,
const gchar *format,
...)
{
GimpDisplayShell *shell = gimp_display_get_shell (display);
GimpStatusbar *statusbar = gimp_display_shell_get_statusbar (shell);
const gchar *icon_name = NULL;
va_list args;
if (GIMP_IS_TOOL_OPTIONS (object))
{
GimpToolInfo *tool_info = GIMP_TOOL_OPTIONS (object)->tool_info;
icon_name = gimp_viewable_get_icon_name (GIMP_VIEWABLE (tool_info));
}
else if (GIMP_IS_VIEWABLE (object))
{
icon_name = gimp_viewable_get_icon_name (GIMP_VIEWABLE (object));
}
va_start (args, format);
gimp_statusbar_push_temp_valist (statusbar, GIMP_MESSAGE_INFO,
icon_name, format, args);
va_end (args);
}
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