Initial import of renamed Unico engine, ready for hacking!

1 files changed, 525 insertions, 0 deletions

diff --git a/tdegtk/tdegtk-engine.c b/tdegtk/tdegtk-engine.c
new file mode 100644
index 0000000..dfca517
--- /dev/null
+++ b/tdegtk/tdegtk-engine.c
@@ -0,0 +1,525 @@
+/* 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 <[email protected]>
+ *
+ */
+
+#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_widget_path_is_type (path, GTK_TYPE_SCALE))
+    tdegtk_trim_scale_allocation (engine, &x, &y, &width, &height);
+
+  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_widget_path_is_type (path, GTK_TYPE_SCALE) &&
+      gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_TROUGH))
+    tdegtk_trim_scale_allocation (engine, &x, &y, &width, &height);
+
+  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);
+
+  if (!gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_MENUITEM))
+    {
+      if (tdegtk_cairo_draw_from_texture (engine, cr, x, y, width, height))
+        return;
+    }
+
+  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_widget_path_is_type (path, GTK_TYPE_SCALE) &&
+      gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_TROUGH))
+    tdegtk_trim_scale_allocation (engine, &x, &y, &width, &height);
+
+  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);
+
+  if (!gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_MENUITEM))
+    {
+      if (tdegtk_cairo_draw_from_texture (engine, cr, x, y, width, height))
+        return;
+    }
+
+  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);
+
+  if (gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_SCALE))
+    {
+      if (tdegtk_cairo_draw_from_texture (engine, cr, x, y, width, height))
+        return;
+    }
+
+  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;
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("background-texture",
+                                                            "Background texture",
+                                                            "Background texture",
+                                                            CAIRO_GOBJECT_TYPE_PATTERN, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("border-gradient",
+                                                            "Border gradient",
+                                                            "Border gradient",
+                                                            CAIRO_GOBJECT_TYPE_PATTERN, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("bullet-color",
+                                                            "Bullet color",
+                                                            "Bullet color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("bullet-outline-color",
+                                                            "Bullet outline color",
+                                                            "Bullet outline color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("centroid-texture",
+                                                            "Centroid texture",
+                                                            "Centroid texture",
+                                                            CAIRO_GOBJECT_TYPE_PATTERN, 0));
+
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("focus-border-color",
+                                                            "Focus border color",
+                                                            "Focus border color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_int ("focus-border-radius",
+                                                          "Focus border radius",
+                                                          "Focus border radius",
+                                                          0, G_MAXINT, 0, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("focus-fill-color",
+                                                            "Focus fill color",
+                                                            "Focus fill color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("focus-outer-stroke-color",
+                                                            "Focus outer stroke color",
+                                                            "Focus outer stroke color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_int ("glow-radius",
+                                                          "Glow radius",
+                                                          "Glow radius",
+                                                          0, G_MAXINT, 0, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("glow-color",
+                                                            "Glow color",
+                                                            "Glow color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("inner-stroke-color",
+                                                            "Inner stroke color",
+                                                            "Inner stroke color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("inner-stroke-top-color",
+                                                            "Inner stroke top color",
+                                                            "Inner stroke top color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("inner-stroke-right-color",
+                                                            "Inner stroke right color",
+                                                            "Inner stroke right color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("inner-stroke-bottom-color",
+                                                            "Inner stroke bottom color",
+                                                            "Inner stroke bottom color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("inner-stroke-left-color",
+                                                            "Inner stroke left color",
+                                                            "Inner stroke left color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("inner-stroke-gradient",
+                                                            "Inner stroke gradient",
+                                                            "Inner stroke gradient",
+                                                            CAIRO_GOBJECT_TYPE_PATTERN, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("inner-stroke-width",
+                                                            "Inner stroke width",
+                                                            "Inner stroke width",
+                                                            GTK_TYPE_BORDER, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("outer-stroke-color",
+                                                            "Outer stroke color",
+                                                            "Outer stroke color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("outer-stroke-top-color",
+                                                            "Outer stroke top color",
+                                                            "Outer stroke top color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("outer-stroke-right-color",
+                                                            "Outer stroke right color",
+                                                            "Outer stroke right color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("outer-stroke-bottom-color",
+                                                            "Outer stroke bottom color",
+                                                            "Outer stroke bottom color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("outer-stroke-left-color",
+                                                            "Outer stroke left color",
+                                                            "Outer stroke left color",
+                                                            GDK_TYPE_RGBA, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("outer-stroke-gradient",
+                                                            "Outer stroke gradient",
+                                                            "Outer stroke gradient",
+                                                            CAIRO_GOBJECT_TYPE_PATTERN, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("outer-stroke-width",
+                                                            "Outer stroke width",
+                                                            "Outer stroke width",
+                                                            GTK_TYPE_BORDER, 0));
+
+  gtk_theming_engine_register_property (TDEGTK_NAMESPACE, NULL,
+                                        g_param_spec_boxed ("text-shadow-color",
+                                                            "Text shadow color",
+                                                            "Text shadow color",
+                                                            GDK_TYPE_RGBA, 0));
+}
+
+static void
+tdegtk_engine_class_finalize (TdeGtkEngineClass *klass)
+{
+}