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gtk3-tqt-engine
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gtk3-tqt-engine/tdegtk/tdegtk-engine.c

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/* The TdeGtk Theming Engine for Gtk+.
* Copyright (C) 2011 Canonical Ltd
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* Authored by Andrea Cimitan <andrea.cimitan@canonical.com>
*
*/
#include <cairo.h>
#include <cairo-gobject.h>
#include <gtk/gtk.h>
#include "tdegtk.h"
#include "tdegtk-cairo-support.h"
#include "tdegtk-draw.h"
#include "tdegtk-engine.h"
#include "tdegtk-support.h"
#include "tdegtk-types.h"
#define TDEGTK_NAMESPACE "tdegtk"
#define TDEGTK_CAIRO_INIT \
cairo_set_line_width (cr, 1.0); \
cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); \
cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER);
G_DEFINE_DYNAMIC_TYPE (TdeGtkEngine, tdegtk_engine, GTK_TYPE_THEMING_ENGINE)
static void
tdegtk_engine_render_activity (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
TdeGtkStyleFunctions *style_functions;
const GtkWidgetPath *path;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
path = gtk_theming_engine_get_path (engine);
if (gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_SPINNER)) {
GTK_THEMING_ENGINE_CLASS (tdegtk_engine_parent_class)->render_activity (engine, cr, x, y, width, height);
}
else {
style_functions->draw_activity (engine, cr, x, y, width, height);
}
}
static void
tdegtk_engine_render_arrow (GtkThemingEngine *engine,
cairo_t *cr,
gdouble angle,
gdouble x,
gdouble y,
gdouble size)
{
TdeGtkStyleFunctions *style_functions;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
style_functions->draw_arrow (engine, cr, angle, x, y, size);
}
static void
tdegtk_engine_render_background (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
TdeGtkStyleFunctions *style_functions;
const GtkWidgetPath *path;
GtkRegionFlags flags;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
path = gtk_theming_engine_get_path (engine);
if (gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_BUTTON) &&
gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_SPINBUTTON)
) {
style_functions->draw_spinbutton_background (engine, cr, x, y, width, height);
}
else if (!gtk_widget_path_is_type (path, GTK_TYPE_ICON_VIEW) &&
gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_VIEW) &&
gtk_theming_engine_has_region (engine, GTK_STYLE_REGION_COLUMN, &flags)
) {
style_functions->draw_cell_background (engine, cr, x, y, width, height, flags);
}
else {
style_functions->draw_common_background (engine, cr, x, y, width, height);
}
}
static void
tdegtk_engine_render_check (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
TdeGtkStyleFunctions *style_functions;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
style_functions->draw_check (engine, cr, x, y, width, height);
}
static void
tdegtk_engine_render_expander (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
TdeGtkStyleFunctions *style_functions;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
style_functions->draw_expander (engine, cr, x, y, width, height);
}
static void
tdegtk_engine_render_extension (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkPositionType gap_side)
{
TdeGtkStyleFunctions *style_functions;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
style_functions->draw_extension (engine, cr, x, y, width, height, gap_side);
}
static void
tdegtk_engine_render_focus (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
TdeGtkStyleFunctions *style_functions;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
style_functions->draw_focus (engine, cr, x, y, width, height);
}
static void
tdegtk_engine_render_frame (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
TdeGtkStyleFunctions *style_functions;
const GtkWidgetPath *path;
GtkRegionFlags flags;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
path = gtk_theming_engine_get_path (engine);
if (gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_SEPARATOR)) {
style_functions->draw_separator (engine, cr, x, y, width, height);
}
else if (gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_BUTTON) &&
gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_SPINBUTTON)
) {
style_functions->draw_spinbutton_frame (engine, cr, x, y, width, height);
}
else if (!gtk_widget_path_is_type (path, GTK_TYPE_ICON_VIEW) &&
gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_VIEW) &&
gtk_theming_engine_has_region (engine, GTK_STYLE_REGION_COLUMN, &flags)
) {
style_functions->draw_cell_frame (engine, cr, x, y, width, height, flags);
}
else {
style_functions->draw_common_frame (engine, cr, x, y, width, height);
}
}
static void
tdegtk_engine_render_frame_gap (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkPositionType gap_side,
gdouble xy0_gap,
gdouble xy1_gap)
{
TdeGtkStyleFunctions *style_functions;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
if (gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_NOTEBOOK)) {
style_functions->draw_notebook (engine, cr, x, y, width, height, gap_side, xy0_gap, xy1_gap);
}
else {
style_functions->draw_frame_gap (engine, cr, x, y, width, height, gap_side, xy0_gap, xy1_gap);
}
}
static void
tdegtk_engine_render_handle (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
TdeGtkStyleFunctions *style_functions;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
if (gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_GRIP)) {
style_functions->draw_grip (engine, cr, x, y, width, height);
}
else {
style_functions->draw_handle (engine, cr, x, y, width, height);
}
}
static void
tdegtk_engine_render_line (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x0,
gdouble y0,
gdouble x1,
gdouble y1)
{
TdeGtkStyleFunctions *style_functions;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
style_functions->draw_line (engine, cr, x0, y0, x1, y1);
}
static void
tdegtk_engine_render_option (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
TdeGtkStyleFunctions *style_functions;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
style_functions->draw_radio (engine, cr, x, y, width, height);
}
static void
tdegtk_engine_render_slider (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkOrientation orientation)
{
TdeGtkStyleFunctions *style_functions;
TDEGTK_CAIRO_INIT
tdegtk_lookup_functions (TDEGTK_ENGINE (engine), &style_functions);
style_functions->draw_slider (engine, cr, x, y, width, height, orientation);
}
void
tdegtk_engine_register_types (GTypeModule *module)
{
tdegtk_engine_register_type (module);
}
static void
tdegtk_engine_init (TdeGtkEngine *engine)
{
tdegtk_register_style_default (&engine->style_functions[TDEGTK_STYLE_DEFAULT]);
}
static void
tdegtk_engine_class_init (TdeGtkEngineClass *klass)
{
GtkThemingEngineClass *engine_class = GTK_THEMING_ENGINE_CLASS (klass);
engine_class->render_activity = tdegtk_engine_render_activity;
engine_class->render_arrow = tdegtk_engine_render_arrow;
engine_class->render_background = tdegtk_engine_render_background;
engine_class->render_check = tdegtk_engine_render_check;
engine_class->render_expander = tdegtk_engine_render_expander;
engine_class->render_extension = tdegtk_engine_render_extension;
engine_class->render_focus = tdegtk_engine_render_focus;
engine_class->render_frame = tdegtk_engine_render_frame;
engine_class->render_frame_gap = tdegtk_engine_render_frame_gap;
engine_class->render_handle = tdegtk_engine_render_handle;
engine_class->render_line = tdegtk_engine_render_line;
engine_class->render_option = tdegtk_engine_render_option;
engine_class->render_slider = tdegtk_engine_render_slider;
}
static void
tdegtk_engine_class_finalize (TdeGtkEngineClass *klass)
{
}
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