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authorHavoc Pennington <hp@src.gnome.org>2002-02-15 14:37:25 +0000
committerHavoc Pennington <hp@src.gnome.org>2002-02-15 14:37:25 +0000
commit37dd796b53bfd571e3ff1d50a8cfe2e05e835ecc (patch)
treec0987cedb4637ec65c6bcfd903d6a7ddc73ca001
parenta7378b709bce9f450e176223b43b509b74b9c95b (diff)
downloadmetacity-37dd796b53bfd571e3ff1d50a8cfe2e05e835ecc.tar.gz
metacity-37dd796b53bfd571e3ff1d50a8cfe2e05e835ecc.tar.bz2
add missing files
-rw-r--r--src/preview-widget.c424
-rw-r--r--src/preview-widget.h78
2 files changed, 502 insertions, 0 deletions
diff --git a/src/preview-widget.c b/src/preview-widget.c
new file mode 100644
index 0000000..a6809ef
--- /dev/null
+++ b/src/preview-widget.c
@@ -0,0 +1,424 @@
+/* Metacity theme preview widget */
+
+/*
+ * Copyright (C) 2002 Havoc Pennington
+ *
+ * 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 "preview-widget.h"
+
+static void meta_preview_class_init (MetaPreviewClass *klass);
+static void meta_preview_init (MetaPreview *preview);
+static void meta_preview_size_request (GtkWidget *widget,
+ GtkRequisition *req);
+static void meta_preview_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static gboolean meta_preview_expose (GtkWidget *widget,
+ GdkEventExpose *event);
+static void meta_preview_finalize (GObject *object);
+
+static GtkWidgetClass *parent_class;
+
+GtkType
+meta_preview_get_type (void)
+{
+ static GtkType preview_type = 0;
+
+ if (!preview_type)
+ {
+ static const GtkTypeInfo preview_info =
+ {
+ "MetaPreview",
+ sizeof (MetaPreview),
+ sizeof (MetaPreviewClass),
+ (GtkClassInitFunc) meta_preview_class_init,
+ (GtkObjectInitFunc) meta_preview_init,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ preview_type = gtk_type_unique (GTK_TYPE_BIN, &preview_info);
+ }
+
+ return preview_type;
+}
+
+static void
+meta_preview_class_init (MetaPreviewClass *class)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (class);
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+
+ object_class = (GtkObjectClass*) class;
+ widget_class = (GtkWidgetClass*) class;
+ parent_class = gtk_type_class (GTK_TYPE_BIN);
+
+ gobject_class->finalize = meta_preview_finalize;
+
+ widget_class->expose_event = meta_preview_expose;
+ widget_class->size_request = meta_preview_size_request;
+ widget_class->size_allocate = meta_preview_size_allocate;
+}
+
+static void
+meta_preview_init (MetaPreview *preview)
+{
+ GTK_WIDGET_SET_FLAGS (preview, GTK_NO_WINDOW);
+
+ preview->type = META_FRAME_TYPE_NORMAL;
+ preview->flags =
+ META_FRAME_ALLOWS_DELETE |
+ META_FRAME_ALLOWS_MENU |
+ META_FRAME_ALLOWS_MINIMIZE |
+ META_FRAME_ALLOWS_MAXIMIZE |
+ META_FRAME_ALLOWS_VERTICAL_RESIZE |
+ META_FRAME_ALLOWS_HORIZONTAL_RESIZE |
+ META_FRAME_HAS_FOCUS |
+ META_FRAME_ALLOWS_SHADE |
+ META_FRAME_ALLOWS_MOVE;
+
+ preview->left_width = -1;
+ preview->right_width = -1;
+ preview->top_height = -1;
+ preview->bottom_height = -1;
+}
+
+GtkWidget*
+meta_preview_new (void)
+{
+ MetaPreview *preview;
+
+ preview = gtk_type_new (META_TYPE_PREVIEW);
+
+ return GTK_WIDGET (preview);
+}
+
+static void
+meta_preview_finalize (GObject *object)
+{
+ MetaPreview *preview;
+
+ preview = META_PREVIEW (object);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+ensure_info (MetaPreview *preview)
+{
+ GtkWidget *widget;
+
+ widget = GTK_WIDGET (preview);
+
+ if (preview->layout == NULL)
+ {
+ PangoFontDescription *font_desc;
+ double scale;
+ PangoAttrList *attrs;
+ PangoAttribute *attr;
+
+ if (preview->theme)
+ scale = meta_theme_get_title_scale (preview->theme,
+ preview->type,
+ preview->flags);
+ else
+ scale = 1.0;
+
+ preview->layout = gtk_widget_create_pango_layout (widget,
+ preview->title);
+
+ font_desc = meta_gtk_widget_get_font_desc (widget, scale);
+
+ preview->text_height =
+ meta_pango_font_desc_get_text_height (font_desc,
+ gtk_widget_get_pango_context (widget));
+
+ attrs = pango_attr_list_new ();
+
+ attr = pango_attr_size_new (pango_font_description_get_size (font_desc));
+ attr->start_index = 0;
+ attr->end_index = G_MAXINT;
+
+ pango_attr_list_insert (attrs, attr);
+
+ pango_layout_set_attributes (preview->layout, attrs);
+
+ pango_attr_list_unref (attrs);
+
+ pango_font_description_free (font_desc);
+ }
+
+ if (preview->top_height < 0)
+ {
+ if (preview->theme)
+ {
+ meta_theme_get_frame_borders (preview->theme,
+ preview->type,
+ preview->text_height,
+ preview->flags,
+ &preview->top_height,
+ &preview->bottom_height,
+ &preview->left_width,
+ &preview->right_width);
+ }
+ else
+ {
+ preview->top_height = 0;
+ preview->bottom_height = 0;
+ preview->left_width = 0;
+ preview->right_width = 0;
+ }
+ }
+}
+
+static gboolean
+meta_preview_expose (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ MetaPreview *preview;
+ int border_width;
+ int client_width;
+ int client_height;
+ MetaButtonState button_states[META_BUTTON_TYPE_LAST] =
+ {
+ META_BUTTON_STATE_NORMAL,
+ META_BUTTON_STATE_NORMAL,
+ META_BUTTON_STATE_NORMAL,
+ META_BUTTON_STATE_NORMAL
+ };
+
+ g_return_val_if_fail (META_IS_PREVIEW (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ preview = META_PREVIEW (widget);
+
+ ensure_info (preview);
+
+ border_width = GTK_CONTAINER (widget)->border_width;
+
+ client_width = widget->allocation.width - preview->left_width - preview->right_width - border_width * 2;
+ client_height = widget->allocation.height - preview->top_height - preview->bottom_height - border_width * 2;
+
+ if (client_width < 0)
+ client_width = 1;
+ if (client_height < 0)
+ client_height = 1;
+
+ if (preview->theme)
+ {
+ border_width = GTK_CONTAINER (widget)->border_width;
+
+ meta_theme_draw_frame (preview->theme,
+ widget,
+ widget->window,
+ &event->area,
+ widget->allocation.x + border_width,
+ widget->allocation.y + border_width,
+ preview->type,
+ preview->flags,
+ client_width, client_height,
+ preview->layout,
+ preview->text_height,
+ button_states,
+ meta_preview_get_mini_icon (),
+ meta_preview_get_icon ());
+ }
+
+ /* draw child */
+ return GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
+}
+
+static void
+meta_preview_size_request (GtkWidget *widget,
+ GtkRequisition *req)
+{
+ MetaPreview *preview;
+
+ preview = META_PREVIEW (widget);
+
+ ensure_info (preview);
+
+ req->width = preview->left_width + preview->right_width;
+ req->height = preview->top_height + preview->bottom_height;
+
+ if (GTK_BIN (preview)->child &&
+ GTK_WIDGET_VISIBLE (GTK_BIN (preview)->child))
+ {
+ GtkRequisition child_requisition;
+
+ gtk_widget_size_request (GTK_BIN (preview)->child, &child_requisition);
+
+ req->width += child_requisition.width;
+ req->height += child_requisition.height;
+ }
+
+ req->width += GTK_CONTAINER (widget)->border_width * 2;
+ req->height += GTK_CONTAINER (widget)->border_width * 2;
+}
+
+static void
+meta_preview_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ MetaPreview *preview;
+ int border_width;
+ GtkAllocation child_allocation;
+
+ preview = META_PREVIEW (widget);
+
+ ensure_info (preview);
+
+ widget->allocation = *allocation;
+
+ border_width = GTK_CONTAINER (widget)->border_width;
+
+ if (GTK_BIN (widget)->child &&
+ GTK_WIDGET_VISIBLE (GTK_BIN (widget)->child))
+ {
+ child_allocation.x = widget->allocation.x + border_width + preview->left_width;
+ child_allocation.y = widget->allocation.y + border_width + preview->top_height;
+
+ child_allocation.width = MAX (1, widget->allocation.width - border_width * 2 - preview->left_width - preview->right_width);
+ child_allocation.height = MAX (1, widget->allocation.height - border_width * 2 - preview->top_height - preview->bottom_height);
+
+ gtk_widget_size_allocate (GTK_BIN (widget)->child, &child_allocation);
+ }
+}
+
+static void
+clear_cache (MetaPreview *preview)
+{
+ if (preview->layout)
+ {
+ g_object_unref (G_OBJECT (preview->layout));
+ preview->layout = NULL;
+ }
+
+ preview->left_width = -1;
+ preview->right_width = -1;
+ preview->top_height = -1;
+ preview->bottom_height = -1;
+}
+
+void
+meta_preview_set_theme (MetaPreview *preview,
+ MetaTheme *theme)
+{
+ g_return_if_fail (META_IS_PREVIEW (preview));
+
+ preview->theme = theme;
+
+ clear_cache (preview);
+
+ gtk_widget_queue_resize (GTK_WIDGET (preview));
+}
+
+void
+meta_preview_set_title (MetaPreview *preview,
+ const char *title)
+{
+ g_return_if_fail (META_IS_PREVIEW (preview));
+
+ g_free (preview->title);
+ preview->title = g_strdup (title);
+
+ clear_cache (preview);
+
+ gtk_widget_queue_resize (GTK_WIDGET (preview));
+}
+
+void
+meta_preview_set_frame_type (MetaPreview *preview,
+ MetaFrameType type)
+{
+ g_return_if_fail (META_IS_PREVIEW (preview));
+
+ preview->type = type;
+
+ clear_cache (preview);
+
+ gtk_widget_queue_resize (GTK_WIDGET (preview));
+}
+
+void
+meta_preview_set_frame_flags (MetaPreview *preview,
+ MetaFrameFlags flags)
+{
+ g_return_if_fail (META_IS_PREVIEW (preview));
+
+ preview->flags = flags;
+
+ clear_cache (preview);
+
+ gtk_widget_queue_resize (GTK_WIDGET (preview));
+}
+
+#include "inlinepixbufs.h"
+
+GdkPixbuf*
+meta_preview_get_icon (void)
+{
+ static GdkPixbuf *default_icon = NULL;
+
+ if (default_icon == NULL)
+ {
+ GdkPixbuf *base;
+
+ base = gdk_pixbuf_new_from_inline (-1, default_icon_data,
+ FALSE,
+ NULL);
+
+ g_assert (base);
+
+ default_icon = gdk_pixbuf_scale_simple (base,
+ META_ICON_WIDTH,
+ META_ICON_HEIGHT,
+ GDK_INTERP_BILINEAR);
+
+ g_object_unref (G_OBJECT (base));
+ }
+
+ return default_icon;
+}
+
+GdkPixbuf*
+meta_preview_get_mini_icon (void)
+{
+ static GdkPixbuf *default_icon = NULL;
+
+ if (default_icon == NULL)
+ {
+ GdkPixbuf *base;
+
+ base = gdk_pixbuf_new_from_inline (-1, default_icon_data,
+ FALSE,
+ NULL);
+
+ g_assert (base);
+
+ default_icon = gdk_pixbuf_scale_simple (base,
+ META_MINI_ICON_WIDTH,
+ META_MINI_ICON_HEIGHT,
+ GDK_INTERP_BILINEAR);
+
+ g_object_unref (G_OBJECT (base));
+ }
+
+ return default_icon;
+}
diff --git a/src/preview-widget.h b/src/preview-widget.h
new file mode 100644
index 0000000..5b21fe7
--- /dev/null
+++ b/src/preview-widget.h
@@ -0,0 +1,78 @@
+/* Metacity theme preview widget */
+
+/*
+ * Copyright (C) 2002 Havoc Pennington
+ *
+ * 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 "theme.h"
+#include <gtk/gtkbin.h>
+
+#ifndef META_PREVIEW_WIDGET_H
+#define META_PREVIEW_WIDGET_H
+
+#define META_TYPE_PREVIEW (meta_preview_get_type ())
+#define META_PREVIEW(obj) (GTK_CHECK_CAST ((obj), META_TYPE_PREVIEW, MetaPreview))
+#define META_PREVIEW_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), META_TYPE_PREVIEW, MetaPreviewClass))
+#define META_IS_PREVIEW(obj) (GTK_CHECK_TYPE ((obj), META_TYPE_PREVIEW))
+#define META_IS_PREVIEW_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), META_TYPE_PREVIEW))
+#define META_PREVIEW_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), META_TYPE_PREVIEW, MetaPreviewClass))
+
+typedef struct _MetaPreview MetaPreview;
+typedef struct _MetaPreviewClass MetaPreviewClass;
+
+struct _MetaPreview
+{
+ GtkBin bin;
+
+ MetaTheme *theme;
+ char *title;
+ MetaFrameType type;
+ MetaFrameFlags flags;
+
+ PangoLayout *layout;
+ int text_height;
+
+ int left_width;
+ int right_width;
+ int top_height;
+ int bottom_height;
+
+};
+
+struct _MetaPreviewClass
+{
+ GtkBinClass parent_class;
+};
+
+
+GtkType meta_preview_get_type (void) G_GNUC_CONST;
+GtkWidget* meta_preview_new (void);
+
+void meta_preview_set_theme (MetaPreview *preview,
+ MetaTheme *theme);
+void meta_preview_set_title (MetaPreview *preview,
+ const char *title);
+void meta_preview_set_frame_type (MetaPreview *preview,
+ MetaFrameType type);
+void meta_preview_set_frame_flags (MetaPreview *preview,
+ MetaFrameFlags flags);
+
+GdkPixbuf* meta_preview_get_icon (void);
+GdkPixbuf* meta_preview_get_mini_icon (void);
+
+#endif