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-rw-r--r--tools/glade/glade/gbwidgets/gbimage.c662
1 files changed, 662 insertions, 0 deletions
diff --git a/tools/glade/glade/gbwidgets/gbimage.c b/tools/glade/glade/gbwidgets/gbimage.c
new file mode 100644
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--- /dev/null
+++ b/tools/glade/glade/gbwidgets/gbimage.c
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+
+/* Gtk+ User Interface Builder
+ * Copyright (C) 1998 Damon Chaplin
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <math.h>
+
+#include <gtk/gtkiconfactory.h>
+#include <gtk/gtkimage.h>
+#include <gtk/gtkimagemenuitem.h>
+#include <gtk/gtklabel.h>
+#include <gtk/gtkoptionmenu.h>
+#include <gtk/gtkmain.h>
+#include <gtk/gtkradiobutton.h>
+#include <gtk/gtkspinbutton.h>
+#include "../gb.h"
+
+/* Include the 21x21 icon pixmap for this widget, to be used in the palette */
+#include "../graphics/image.xpm"
+
+/*
+ * This is the GbWidget struct for this widget (see ../gbwidget.h).
+ * It is initialized in the init() function at the end of this file
+ */
+static GbWidget gbwidget;
+
+/* This could be a stock icon or a filename. */
+static gchar *Icon = "GtkImage::icon";
+
+/* This is the stock icon size, and isn't relevant when a filename is used. */
+static gchar *IconSize = "GtkImage::icon_size";
+
+static gchar *XAlign = "Image|GtkMisc::xalign";
+static gchar *YAlign = "Image|GtkMisc::yalign";
+static gchar *XPad = "Image|GtkMisc::xpad";
+static gchar *YPad = "Image|GtkMisc::ypad";
+
+static gchar *IconName = "GtkImage::icon_name";
+static gchar *PixelSize = "GtkImage::pixel_size";
+
+
+static const gchar *GladeIconSizeChoices[] =
+{"Menu", "Small Toolbar", "Large Toolbar", "Button", "Drag & Drop",
+ "Dialog", NULL};
+static const gint GladeIconSizeValues[] =
+{
+ GTK_ICON_SIZE_MENU,
+ GTK_ICON_SIZE_SMALL_TOOLBAR,
+ GTK_ICON_SIZE_LARGE_TOOLBAR,
+ GTK_ICON_SIZE_BUTTON,
+ GTK_ICON_SIZE_DND,
+ GTK_ICON_SIZE_DIALOG
+};
+static const gchar *GladeIconSizeSymbols[] =
+{
+ "GTK_ICON_SIZE_MENU",
+ "GTK_ICON_SIZE_SMALL_TOOLBAR",
+ "GTK_ICON_SIZE_LARGE_TOOLBAR",
+ "GTK_ICON_SIZE_BUTTON",
+ "GTK_ICON_SIZE_DND",
+ "GTK_ICON_SIZE_DIALOG"
+};
+const int GladeIconSizeChoicesSize = sizeof (GladeIconSizeValues) / sizeof (GladeIconSizeValues[0]);
+
+
+/******
+ * NOTE: To use these functions you need to uncomment them AND add a pointer
+ * to the function in the GbWidget struct at the end of this file.
+ ******/
+
+/*
+ * Creates a new GtkWidget of class GtkImage, performing any specialized
+ * initialization needed for the widget to work correctly in this environment.
+ * If a dialog box is used to initialize the widget, return NULL from this
+ * function, and call data->callback with your new widget when it is done.
+ * If the widget needs a special destroy handler, add a signal here.
+ */
+GtkWidget *
+gb_image_new (GbWidgetNewData * data)
+{
+ GtkWidget *new_widget;
+ new_widget = gtk_image_new_from_pixmap (gbwidget.gdkpixmap, gbwidget.mask);
+ return new_widget;
+}
+
+
+/*
+ * Creates the components needed to edit the extra properties of this widget.
+ */
+static void
+gb_image_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data)
+{
+ property_add_icon (Icon, _("Icon:"),
+ _("The icon to display"),
+ GLADE_ICON_SIZE_ANY);
+ property_add_named_icon (IconName, _("Named Icon:"),
+ _("The named icon to use"));
+ property_add_choice (IconSize, _("Icon Size:"),
+ _("The stock icon size"),
+ GladeIconSizeChoices);
+ property_add_int_range (PixelSize, _("Pixel Size:"),
+ _("The size of the named icon in pixels, or -1 to use the Icon Size property"),
+ -1, 1000, 1, 10, 1);
+
+ property_add_float_range (XAlign, _("X Align:"),
+ _("The horizontal alignment"),
+ 0, 1, 0.01, 0.1, 0.01, 2);
+ property_add_float_range (YAlign, _("Y Align:"),
+ _("The vertical alignment"),
+ 0, 1, 0.01, 0.1, 0.01, 2);
+ property_add_int_range (XPad, _("X Pad:"), _("The horizontal padding"),
+ 0, 1000, 1, 10, 1);
+ property_add_int_range (YPad, _("Y Pad:"), _("The vertical padding"),
+ 0, 1000, 1, 10, 1);
+}
+
+
+static void
+check_visible_sizes (const gchar *stock_id, gboolean show_all)
+{
+ GtkIconSet *icon_set;
+ GtkIconSize *sizes;
+ gint n_sizes, i, j;
+ GtkWidget *option_menu, *menu;
+ gboolean item_visible[G_N_ELEMENTS(GladeIconSizeValues)];
+ GList *children;
+
+ for (j = 0; j < GladeIconSizeChoicesSize; j++)
+ item_visible[j] = show_all;
+
+ if (!show_all)
+ {
+ icon_set = gtk_icon_factory_lookup_default (stock_id);
+ if (icon_set)
+ {
+ gtk_icon_set_get_sizes (icon_set, &sizes, &n_sizes);
+ /* Figure out which of our choices should be visible. */
+ for (i = 0; i < n_sizes; i++)
+ {
+ for (j = 0; j < GladeIconSizeChoicesSize; j++)
+ {
+ if (sizes[i] == GladeIconSizeValues[j])
+ item_visible[j] = TRUE;
+ }
+ }
+ g_free (sizes);
+ }
+ }
+
+ /* Show or Hide the items as appropriate. */
+ option_menu = property_get_value_widget (IconSize);
+ g_return_if_fail (GTK_IS_OPTION_MENU (option_menu));
+
+ menu = gtk_option_menu_get_menu (GTK_OPTION_MENU (option_menu));
+ g_return_if_fail (GTK_IS_MENU (menu));
+
+ children = GTK_MENU_SHELL (menu)->children;
+ for (j = 0; j < GladeIconSizeChoicesSize; j++)
+ {
+ GtkWidget *item;
+
+ item = children->data;
+
+ if (item_visible[j])
+ gtk_widget_show (item);
+ else
+ gtk_widget_hide (item);
+
+ children = children->next;
+ }
+}
+
+
+/*
+ * Gets the properties of the widget. This is used for both displaying the
+ * properties in the property editor, and also for saving the properties.
+ */
+static void
+gb_image_get_properties (GtkWidget * widget, GbWidgetGetArgData * data)
+{
+ gchar *icon = gtk_object_get_data (GTK_OBJECT (widget), GladeIconKey);
+ gchar *icon_name = NULL;
+ gboolean is_stock_icon, is_named_icon = FALSE;
+ gint i, pixel_size;
+ GtkImageType storage_type;
+
+ storage_type = gtk_image_get_storage_type (GTK_IMAGE (widget));
+ pixel_size = gtk_image_get_pixel_size (GTK_IMAGE (widget));
+
+ is_stock_icon = glade_util_check_is_stock_id (icon);
+
+ if (storage_type == GTK_IMAGE_ICON_NAME)
+ {
+ g_object_get (widget,
+ "icon_name", &icon_name,
+ NULL);
+ if (icon_name && *icon_name)
+ is_named_icon = TRUE;
+ }
+
+ if (data->action == GB_SAVING)
+ {
+ /* When saving we want to use "stock" or "pixbuf", depending on whether
+ it is a stock icon or an oridinary pixmap file. */
+ if (is_stock_icon)
+ gb_widget_output_icon (data, "stock", icon);
+ else
+ gb_widget_output_icon (data, "pixbuf", icon);
+ }
+ else
+ {
+ gb_widget_output_icon (data, Icon, icon);
+ }
+
+ if (is_stock_icon || is_named_icon)
+ {
+ if (data->action == GB_SHOWING)
+ {
+ for (i = 0; i < GladeIconSizeChoicesSize; i++)
+ {
+ if (GladeIconSizeValues[i] == GTK_IMAGE (widget)->icon_size)
+ gb_widget_output_choice (data, IconSize, i,
+ GladeIconSizeSymbols[i]);
+ }
+
+ check_visible_sizes (icon, is_named_icon);
+ }
+ else
+ {
+ /* We have to save the size as an integer, which sucks a bit.
+ The integer is the GtkIconSize enum value, not the actual size.*/
+ if (is_stock_icon || pixel_size == -1)
+ gb_widget_output_int (data, IconSize,
+ GTK_IMAGE (widget)->icon_size);
+ }
+ }
+
+ gb_widget_output_named_icon (data, IconName, icon_name);
+
+ /* The icon size only applies to stock icons or named icons.
+ The pixel size only applies to named icons. */
+ if (data->action == GB_SHOWING)
+ {
+ property_set_sensitive (IconSize, is_stock_icon || is_named_icon);
+ property_set_sensitive (PixelSize, is_named_icon);
+ }
+
+ /* We only want to save the pixel size for named icons, and only if it is
+ not -1. */
+ if (data->action == GB_SHOWING
+ || (storage_type == GTK_IMAGE_ICON_NAME && pixel_size != -1))
+ gb_widget_output_int (data, PixelSize, pixel_size);
+
+ gb_widget_output_float (data, XAlign, GTK_MISC (widget)->xalign);
+ gb_widget_output_float (data, YAlign, GTK_MISC (widget)->yalign);
+ gb_widget_output_int (data, XPad, GTK_MISC (widget)->xpad);
+ gb_widget_output_int (data, YPad, GTK_MISC (widget)->ypad);
+}
+
+
+/* Check the icon size is valid for the stock item, and if not pick
+ the first valid size. */
+static GtkIconSize
+check_icon_size (const gchar *stock_id, GtkIconSize icon_size)
+{
+ GtkIconSet *icon_set;
+ GtkIconSize *sizes, retval = GTK_ICON_SIZE_BUTTON;
+ gint n_sizes, i;
+
+ icon_set = gtk_icon_factory_lookup_default (stock_id);
+ if (icon_set)
+ {
+ gtk_icon_set_get_sizes (icon_set, &sizes, &n_sizes);
+
+ for (i = 0; i < n_sizes; i++)
+ {
+ if (sizes[i] == icon_size)
+ return icon_size;
+ }
+
+ retval = sizes[0];
+ g_free (sizes);
+ }
+
+ return retval;
+}
+
+
+static void
+gb_image_clear_pixmap (GtkWidget *widget, GladeProject *project)
+{
+ gchar *old_icon;
+
+ /* Remove the old icon stored in the widget data, and remove the
+ pixmap from the project, if necessary. */
+ old_icon = gtk_object_get_data (GTK_OBJECT (widget), GladeIconKey);
+ glade_project_remove_pixmap (project, old_icon);
+
+ gtk_object_set_data (GTK_OBJECT (widget), GladeIconKey, NULL);
+}
+
+
+/*
+ * Sets the properties of the widget. This is used for both applying the
+ * properties changed in the property editor, and also for loading.
+ */
+static void
+gb_image_set_properties (GtkWidget * widget, GbWidgetSetArgData * data)
+{
+ gfloat xalign, yalign;
+ gint xpad, ypad, i, pixel_size;
+ gboolean set_alignment = FALSE, set_padding = FALSE, apply_icon_size;
+ GtkIconSize icon_size = GTK_ICON_SIZE_BUTTON;
+ gchar *icon_size_string, *icon, *icon_name;
+
+ icon_size = GTK_IMAGE (widget)->icon_size;
+
+ if (data->action == GB_APPLYING)
+ {
+ icon_size_string = gb_widget_input_choice (data, IconSize);
+ apply_icon_size = data->apply;
+ if (data->apply)
+ {
+ for (i = 0; i < GladeIconSizeChoicesSize; i++)
+ {
+ if (!strcmp (icon_size_string, GladeIconSizeChoices[i])
+ || !strcmp (icon_size_string, GladeIconSizeSymbols[i]))
+ {
+ icon_size = GladeIconSizeValues[i];
+ break;
+ }
+ }
+ }
+ }
+ else
+ {
+ /* We have to save the size as an integer, which sucks a bit.
+ The integer is the GtkIconSize enum value, not the actual size.*/
+ int new_size = gb_widget_input_int (data, IconSize);
+ apply_icon_size = data->apply;
+ if (data->apply)
+ icon_size = new_size;
+ }
+
+ /* When loading we use different names. */
+ if (data->action == GB_LOADING)
+ {
+ icon = gb_widget_input_icon (data, "stock");
+ if (!data->apply)
+ icon = gb_widget_input_icon (data, "pixbuf");
+ }
+ else
+ {
+ icon = gb_widget_input_icon (data, Icon);
+ }
+
+ if (data->apply)
+ {
+ gboolean is_stock_icon = glade_util_check_is_stock_id (icon);
+
+ /* Remove the old icon stored in the widget data, and remove the
+ pixmap from the project, if necessary. */
+ gb_image_clear_pixmap (widget, data->project);
+
+ gtk_object_set_data_full (GTK_OBJECT (widget), GladeIconKey,
+ g_strdup (icon), icon ? g_free : NULL);
+
+ if (is_stock_icon)
+ {
+ GtkIconSize new_icon_size;
+
+ new_icon_size = check_icon_size (icon, icon_size);
+
+ /* If we are showing this widget's properties, we need to update
+ the sizes option menu. */
+ if (property_get_widget () == widget)
+ {
+ /* We set it sensitive before changing the value, so the child
+ menu item is changed from insensitive to sensitive if needed.
+ Otherwise it may remain insensitive. */
+ property_set_sensitive (IconSize, TRUE);
+ property_set_sensitive (PixelSize, FALSE);
+
+ property_set_auto_apply (FALSE);
+
+ check_visible_sizes (icon, FALSE);
+
+ /* Check the icon size is valid for the stock item, and if not
+ pick the first valid size. */
+ for (i = 0; i < GladeIconSizeChoicesSize; i++)
+ {
+ if (GladeIconSizeValues[i] == new_icon_size)
+ {
+ property_set_choice (IconSize, i);
+ }
+ }
+
+ property_set_named_icon (IconName, NULL);
+
+ property_set_auto_apply (TRUE);
+ }
+
+ gtk_image_set_from_stock (GTK_IMAGE (widget), icon,
+ new_icon_size);
+ }
+ else
+ {
+ /* If an icon filename is set, use that, otherwise use the icon
+ we use for the palette. */
+ if (icon)
+ {
+ gtk_image_set_from_file (GTK_IMAGE (widget), icon);
+ glade_project_add_pixmap (data->project, icon);
+ }
+ else
+ {
+ gtk_image_set_from_pixmap (GTK_IMAGE (widget),
+ gbwidget.gdkpixmap, gbwidget.mask);
+ }
+
+ if (property_get_widget () == widget)
+ {
+ /* The icon size isn't relevant to non-stock icons. */
+ property_set_sensitive (IconSize, FALSE);
+ property_set_sensitive (PixelSize, FALSE);
+
+ property_set_auto_apply (FALSE);
+ property_set_named_icon (IconName, NULL);
+ property_set_auto_apply (TRUE);
+ }
+ }
+
+ /* We've recreated the icon with the new size above, so we don't need
+ to apply the size again. */
+ apply_icon_size = FALSE;
+ }
+
+ /* This is for the named/themed icon. */
+ icon_name = gb_widget_input_named_icon (data, IconName);
+ if (data->apply)
+ {
+ /* Clear any stock icon or icon from a file. */
+ gb_image_clear_pixmap (widget, data->project);
+
+ gtk_image_set_from_icon_name (GTK_IMAGE (widget), icon_name,
+ icon_size);
+
+ if (property_get_widget () == widget)
+ {
+ property_set_sensitive (IconSize, TRUE);
+ property_set_sensitive (PixelSize, TRUE);
+
+ /* Clear the Icon property. */
+ property_set_auto_apply (FALSE);
+ property_set_icon (Icon, NULL);
+ property_set_auto_apply (TRUE);
+ }
+
+ /* We've recreated the icon with the new size above, so we don't need
+ to apply the size again. */
+ apply_icon_size = FALSE;
+ }
+
+ /* When we set the icon size, we reset the pixel size to -1, otherwise it
+ overrides the icon size. */
+ if (apply_icon_size)
+ {
+ gtk_image_set_pixel_size (GTK_IMAGE (widget), -1);
+ g_object_set (widget, "icon_size", icon_size, NULL);
+
+ if (property_get_widget () == widget)
+ {
+ property_set_auto_apply (FALSE);
+ property_set_int (PixelSize, -1);
+ property_set_auto_apply (TRUE);
+ }
+ }
+
+ /* GtkImage doesn't like a pixel size of 0 so we just skip that. */
+ pixel_size = gb_widget_input_int (data, PixelSize);
+ if (data->apply && pixel_size != 0)
+ gtk_image_set_pixel_size (GTK_IMAGE (widget), pixel_size);
+
+ xalign = gb_widget_input_float (data, XAlign);
+ if (data->apply)
+ set_alignment = TRUE;
+ else
+ xalign = GTK_MISC (widget)->xalign;
+
+ yalign = gb_widget_input_float (data, YAlign);
+ if (data->apply)
+ set_alignment = TRUE;
+ else
+ yalign = GTK_MISC (widget)->yalign;
+
+ if (set_alignment)
+ gtk_misc_set_alignment (GTK_MISC (widget), xalign, yalign);
+
+ xpad = gb_widget_input_int (data, XPad);
+ if (data->apply)
+ set_padding = TRUE;
+ else
+ xpad = GTK_MISC (widget)->xpad;
+
+ ypad = gb_widget_input_int (data, YPad);
+ if (data->apply)
+ set_padding = TRUE;
+ else
+ ypad = GTK_MISC (widget)->ypad;
+
+ if (set_padding)
+ gtk_misc_set_padding (GTK_MISC (widget), xpad, ypad);
+}
+
+
+
+/*
+ * Adds menu items to a context menu which is just about to appear!
+ * Add commands to aid in editing a GtkImage, with signals pointing to
+ * other functions in this file.
+ */
+/*
+ static void
+ gb_image_create_popup_menu(GtkWidget *widget, GbWidgetCreateMenuData *data)
+ {
+
+ }
+ */
+
+
+
+/*
+ * Writes the source code needed to create this widget.
+ * You have to output everything necessary to create the widget here, though
+ * there are some convenience functions to help.
+ */
+static void
+gb_image_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data)
+{
+ /* For GNOME projects menuitem images are handled by the GnomeUIInfo
+ structs, so we don't create source code here. */
+ if (widget->parent && GTK_IS_IMAGE_MENU_ITEM (widget->parent)
+ && glade_project_get_gnome_support (data->project))
+ return;
+
+ if (data->create_widget)
+ {
+ gchar *icon = gtk_object_get_data (GTK_OBJECT (widget), GladeIconKey);
+ const gchar *icon_size = "GTK_ICON_SIZE_BUTTON";
+ GtkImageType storage_type;
+ gint i;
+
+ for (i = 0; i < GladeIconSizeChoicesSize; i++)
+ {
+ if (GladeIconSizeValues[i] == GTK_IMAGE (widget)->icon_size)
+ {
+ icon_size = GladeIconSizeSymbols[i];
+ }
+ }
+
+ storage_type = gtk_image_get_storage_type (GTK_IMAGE (widget));
+
+ if (storage_type == GTK_IMAGE_ICON_NAME)
+ {
+ gint pixel_size = gtk_image_get_pixel_size (GTK_IMAGE (widget));
+ gchar *icon_name;
+
+ g_object_get (widget,
+ "icon_name", &icon_name,
+ NULL);
+
+ source_add (data,
+ " %s = gtk_image_new_from_icon_name (\"%s\", %s);\n",
+ data->wname, icon_name ? icon_name : "gtk-missing-image",
+ icon_size);
+
+ if (pixel_size > 0)
+ {
+ source_add (data,
+ " gtk_image_set_pixel_size (%s, %i);\n",
+ data->wname, pixel_size);
+ }
+ }
+ else if (glade_util_check_is_stock_id (icon))
+ {
+
+ source_add (data,
+ " %s = gtk_image_new_from_stock (\"%s\", %s);\n",
+ data->wname, icon, icon_size);
+ }
+ else
+ {
+ source_create_pixmap (data, data->wname, icon);
+ }
+ }
+
+ gb_widget_write_standard_source (widget, data);
+
+ if (fabs (GTK_MISC (widget)->xalign - 0.5) > 0.0001
+ || fabs (GTK_MISC (widget)->yalign - 0.5) > 0.0001)
+ source_add (data, " gtk_misc_set_alignment (GTK_MISC (%s), %g, %g);\n",
+ data->wname, GTK_MISC (widget)->xalign, GTK_MISC (widget)->yalign);
+
+ if (GTK_MISC (widget)->xpad != 0 || GTK_MISC (widget)->ypad != 0)
+ source_add (data, " gtk_misc_set_padding (GTK_MISC (%s), %i, %i);\n",
+ data->wname, GTK_MISC (widget)->xpad, GTK_MISC (widget)->ypad);
+}
+
+
+void
+gb_image_destroy (GtkWidget * widget, GbWidgetDestroyData * data)
+{
+ gb_image_clear_pixmap (widget, data->project);
+}
+
+
+/*
+ * Initializes the GbWidget structure.
+ * I've placed this at the end of the file so we don't have to include
+ * declarations of all the functions.
+ */
+GbWidget *
+gb_image_init ()
+{
+ /* Initialise the GTK type */
+ volatile GtkType type;
+ type = gtk_image_get_type ();
+
+ /* Initialize the GbWidget structure */
+ gb_widget_init_struct (&gbwidget);
+
+ /* Fill in the pixmap struct & tooltip */
+ gbwidget.pixmap_struct = image_xpm;
+ gbwidget.tooltip = _("Image");
+
+ /* Fill in any functions that this GbWidget has */
+ gbwidget.gb_widget_new = gb_image_new;
+ gbwidget.gb_widget_create_properties = gb_image_create_properties;
+ gbwidget.gb_widget_get_properties = gb_image_get_properties;
+ gbwidget.gb_widget_set_properties = gb_image_set_properties;
+ gbwidget.gb_widget_write_source = gb_image_write_source;
+ gbwidget.gb_widget_destroy = gb_image_destroy;
+/*
+ gbwidget.gb_widget_create_popup_menu = gb_image_create_popup_menu;
+ */
+
+ return &gbwidget;
+}
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