diff options
Diffstat (limited to 'tools/glade/glade/gbwidgets/gbpreview.c')
| -rw-r--r-- | tools/glade/glade/gbwidgets/gbpreview.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/tools/glade/glade/gbwidgets/gbpreview.c b/tools/glade/glade/gbwidgets/gbpreview.c new file mode 100644 index 00000000..1879a2f9 --- /dev/null +++ b/tools/glade/glade/gbwidgets/gbpreview.c @@ -0,0 +1,175 @@ + +/* 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 <gtk/gtkpreview.h> +#include "../gb.h" + +/* Include the 21x21 icon pixmap for this widget, to be used in the palette */ +#include "../graphics/preview.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; + +static gchar *Type = "GtkPreview::type"; +static gchar *Expand = "GtkPreview::expand"; + +/****** + * 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 GtkPreview, 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_preview_new (GbWidgetNewData * data) +{ + GtkWidget *preview; + preview = gtk_preview_new (GTK_PREVIEW_COLOR); + return preview; +} + + + +/* + * Creates the components needed to edit the extra properties of this widget. + */ +static void +gb_preview_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data) +{ + property_add_bool (Type, _("Color:"), + _("If the preview is color or grayscale")); + property_add_bool (Expand, _("Expand:"), + _("If the preview expands to fill its allocated area")); +} + + + +/* + * 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_preview_get_properties (GtkWidget * widget, GbWidgetGetArgData * data) +{ + gb_widget_output_bool (data, Type, GTK_PREVIEW (widget)->type == GTK_PREVIEW_COLOR); + gb_widget_output_bool (data, Expand, GTK_PREVIEW (widget)->expand); +} + + + +/* + * 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_preview_set_properties (GtkWidget * widget, GbWidgetSetArgData * data) +{ + gboolean type, expand; + + type = gb_widget_input_bool (data, Type); + /* We shouldn't really set the preview type after initialisation, but it + should be OK as we never use the preview */ + if (data->apply) + GTK_PREVIEW (widget)->type = type ? GTK_PREVIEW_COLOR + : GTK_PREVIEW_GRAYSCALE; + expand = gb_widget_input_bool (data, Expand); + if (data->apply) + gtk_preview_set_expand (GTK_PREVIEW (widget), expand); +} + + + +/* + * Adds menu items to a context menu which is just about to appear! + * Add commands to aid in editing a GtkPreview, with signals pointing to + * other functions in this file. + */ +/* + static void + gb_preview_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_preview_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data) +{ + if (data->create_widget) + { + source_add (data, " %s = gtk_preview_new (%s);\n", data->wname, + GTK_PREVIEW (widget)->type == GTK_PREVIEW_COLOR + ? "GTK_PREVIEW_COLOR" : "GTK_PREVIEW_GRAYSCALE"); + } + + gb_widget_write_standard_source (widget, data); + + if (GTK_PREVIEW (widget)->expand) + source_add (data, " gtk_preview_set_expand (GTK_PREVIEW (%s), TRUE);\n", + data->wname); +} + + + +/* + * 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_preview_init () +{ + /* Initialise the GTK type */ + volatile GtkType type; + type = gtk_preview_get_type (); + + /* Initialize the GbWidget structure */ + gb_widget_init_struct (&gbwidget); + + /* Fill in the pixmap struct & tooltip */ + gbwidget.pixmap_struct = preview_xpm; + gbwidget.tooltip = _("Preview"); + + /* Fill in any functions that this GbWidget has */ + gbwidget.gb_widget_new = gb_preview_new; + gbwidget.gb_widget_create_properties = gb_preview_create_properties; + gbwidget.gb_widget_get_properties = gb_preview_get_properties; + gbwidget.gb_widget_set_properties = gb_preview_set_properties; + gbwidget.gb_widget_write_source = gb_preview_write_source; +/* + gbwidget.gb_widget_create_popup_menu = gb_preview_create_popup_menu; + */ + + return &gbwidget; +} |