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