+++ /dev/null
-/* Taken from the GTK TreeView tutorial on gtk.org.
- * Slightly modified.
- */
-
-#include "progressbar.h"
-
-/* This is based mainly on GtkCellRendererProgress
- * in GAIM, written and (c) 2002 by Sean Egan
- * (Licensed under the GPL), which in turn is
- * based on Gtk's GtkCellRenderer[Text|Toggle|Pixbuf]
- * implementation by Jonathan Blandford */
-
-/* Some boring function declarations: GObject type system stuff */
-
-static void custom_cell_renderer_progress_init (CustomCellRendererProgress *cellprogress);
-
-static void custom_cell_renderer_progress_class_init (CustomCellRendererProgressClass *klass);
-
-static void custom_cell_renderer_progress_get_property (GObject *object,
- guint param_id,
- GValue *value,
- GParamSpec *pspec);
-
-static void custom_cell_renderer_progress_set_property (GObject *object,
- guint param_id,
- const GValue *value,
- GParamSpec *pspec);
-
-static void custom_cell_renderer_progress_finalize (GObject *gobject);
-
-
-/* These functions are the heart of our custom cell renderer: */
-
-static void custom_cell_renderer_progress_get_size (GtkCellRenderer *cell,
- GtkWidget *widget,
- GdkRectangle *cell_area,
- gint *x_offset,
- gint *y_offset,
- gint *width,
- gint *height);
-
-static void custom_cell_renderer_progress_render (GtkCellRenderer *cell,
- GdkWindow *window,
- GtkWidget *widget,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GdkRectangle *expose_area,
- guint flags);
-
-
-enum
-{
- PROP_PERCENTAGE = 1,
-};
-
-static gpointer parent_class;
-
-
-/***************************************************************************
- *
- * custom_cell_renderer_progress_get_type: here we register our type with
- * the GObject type system if we
- * haven't done so yet. Everything
- * else is done in the callbacks.
- *
- ***************************************************************************/
-
-GType
-custom_cell_renderer_progress_get_type (void)
-{
- static GType cell_progress_type = 0;
-
- if (cell_progress_type)
- return cell_progress_type;
-
- if (1)
- {
- static const GTypeInfo cell_progress_info =
- {
- sizeof (CustomCellRendererProgressClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) custom_cell_renderer_progress_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (CustomCellRendererProgress),
- 0, /* n_preallocs */
- (GInstanceInitFunc) custom_cell_renderer_progress_init,
- };
-
- /* Derive from GtkCellRenderer */
- cell_progress_type = g_type_register_static (GTK_TYPE_CELL_RENDERER,
- "CustomCellRendererProgress",
- &cell_progress_info,
- 0);
- }
-
- return cell_progress_type;
-}
-
-
-/***************************************************************************
- *
- * custom_cell_renderer_progress_init: set some default properties of the
- * parent (GtkCellRenderer).
- *
- ***************************************************************************/
-
-static void
-custom_cell_renderer_progress_init (CustomCellRendererProgress *cellrendererprogress)
-{
- GTK_CELL_RENDERER(cellrendererprogress)->mode = GTK_CELL_RENDERER_MODE_INERT;
- GTK_CELL_RENDERER(cellrendererprogress)->xpad = 2;
- GTK_CELL_RENDERER(cellrendererprogress)->ypad = 2;
-}
-
-
-/***************************************************************************
- *
- * custom_cell_renderer_progress_class_init:
- *
- * set up our own get_property and set_property functions, and
- * override the parent's functions that we need to implement.
- * And make our new "percentage" property known to the type system.
- * If you want cells that can be activated on their own (ie. not
- * just the whole row selected) or cells that are editable, you
- * will need to override 'activate' and 'start_editing' as well.
- *
- ***************************************************************************/
-
-static void
-custom_cell_renderer_progress_class_init (CustomCellRendererProgressClass *klass)
-{
- GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS(klass);
- GObjectClass *object_class = G_OBJECT_CLASS(klass);
-
- parent_class = g_type_class_peek_parent (klass);
- object_class->finalize = custom_cell_renderer_progress_finalize;
-
- /* Hook up functions to set and get our
- * custom cell renderer properties */
- object_class->get_property = custom_cell_renderer_progress_get_property;
- object_class->set_property = custom_cell_renderer_progress_set_property;
-
- /* Override the two crucial functions that are the heart
- * of a cell renderer in the parent class */
- cell_class->get_size = custom_cell_renderer_progress_get_size;
- cell_class->render = custom_cell_renderer_progress_render;
-
- /* Install our very own properties */
- g_object_class_install_property (object_class,
- PROP_PERCENTAGE,
- g_param_spec_double ("percentage",
- "Percentage",
- "The fractional progress to display",
- 0, 1, 0,
- G_PARAM_READWRITE));
-}
-
-
-/***************************************************************************
- *
- * custom_cell_renderer_progress_finalize: free any resources here
- *
- ***************************************************************************/
-
-static void
-custom_cell_renderer_progress_finalize (GObject *object)
-{
-/*
- CustomCellRendererProgress *cellrendererprogress = CUSTOM_CELL_RENDERER_PROGRESS(object);
-*/
-
- /* Free any dynamically allocated resources here */
-
- (* G_OBJECT_CLASS (parent_class)->finalize) (object);
-}
-
-
-/***************************************************************************
- *
- * custom_cell_renderer_progress_get_property: as it says
- *
- ***************************************************************************/
-
-static void
-custom_cell_renderer_progress_get_property (GObject *object,
- guint param_id,
- GValue *value,
- GParamSpec *psec)
-{
- CustomCellRendererProgress *cellprogress = CUSTOM_CELL_RENDERER_PROGRESS(object);
-
- switch (param_id)
- {
- case PROP_PERCENTAGE:
- g_value_set_double(value, cellprogress->progress);
- break;
-
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, psec);
- break;
- }
-}
-
-
-/***************************************************************************
- *
- * custom_cell_renderer_progress_set_property: as it says
- *
- ***************************************************************************/
-
-static void
-custom_cell_renderer_progress_set_property (GObject *object,
- guint param_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- CustomCellRendererProgress *cellprogress = CUSTOM_CELL_RENDERER_PROGRESS (object);
-
- switch (param_id)
- {
- case PROP_PERCENTAGE:
- cellprogress->progress = g_value_get_double(value);
- break;
-
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
- break;
- }
-}
-
-/***************************************************************************
- *
- * custom_cell_renderer_progress_new: return a new cell renderer instance
- *
- ***************************************************************************/
-
-GtkCellRenderer *
-custom_cell_renderer_progress_new (void)
-{
- return g_object_new(CUSTOM_TYPE_CELL_RENDERER_PROGRESS, NULL);
-}
-
-
-/***************************************************************************
- *
- * custom_cell_renderer_progress_get_size: crucial - calculate the size
- * of our cell, taking into account
- * padding and alignment properties
- * of parent.
- *
- ***************************************************************************/
-
-#define FIXED_WIDTH 100
-#define FIXED_HEIGHT 12
-
-static void
-custom_cell_renderer_progress_get_size (GtkCellRenderer *cell,
- GtkWidget *widget,
- GdkRectangle *cell_area,
- gint *x_offset,
- gint *y_offset,
- gint *width,
- gint *height)
-{
- gint calc_width;
- gint calc_height;
-
- calc_width = (gint) cell->xpad * 2 + FIXED_WIDTH;
- calc_height = (gint) cell->ypad * 2 + FIXED_HEIGHT;
-
- if (width)
- *width = calc_width;
-
- if (height)
- *height = calc_height;
-
- if (cell_area)
- {
- if (x_offset)
- {
- *x_offset = cell->xalign * (cell_area->width - calc_width);
- *x_offset = MAX (*x_offset, 0);
- }
-
- if (y_offset)
- {
- *y_offset = cell->yalign * (cell_area->height - calc_height);
- *y_offset = MAX (*y_offset, 0);
- }
- }
-}
-
-
-/***************************************************************************
- *
- * custom_cell_renderer_progress_render: crucial - do the rendering.
- *
- ***************************************************************************/
-
-static void
-custom_cell_renderer_progress_render (GtkCellRenderer *cell,
- GdkWindow *window,
- GtkWidget *widget,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GdkRectangle *expose_area,
- guint flags)
-{
- CustomCellRendererProgress *cellprogress = CUSTOM_CELL_RENDERER_PROGRESS (cell);
- GtkStateType state;
- gint width, height;
- gint x_offset, y_offset;
-
- custom_cell_renderer_progress_get_size (cell, widget, cell_area,
- &x_offset, &y_offset,
- &width, &height);
-
- if (GTK_WIDGET_HAS_FOCUS (widget))
- state = GTK_STATE_ACTIVE;
- else
- state = GTK_STATE_NORMAL;
-
- width -= cell->xpad*2;
- height -= cell->ypad*2;
-
- gtk_paint_box (widget->style,
- window,
- GTK_STATE_NORMAL, GTK_SHADOW_IN,
- NULL, widget, "trough",
- cell_area->x + x_offset + cell->xpad,
- cell_area->y + y_offset + cell->ypad,
- width - 1, height - 1);
-
- gtk_paint_box (widget->style,
- window,
- state, GTK_SHADOW_OUT,
- NULL, widget, "bar",
- cell_area->x + x_offset + cell->xpad,
- cell_area->y + y_offset + cell->ypad,
- width * cellprogress->progress,
- height - 1);
-}
Dolda2000 GitWeb / doldaconnect.git / blobdiff