Initial revision

1 files changed, 383 insertions, 0 deletions

diff --git a/eazel-engine/src/eazel-theme.h b/eazel-engine/src/eazel-theme.h
new file mode 100644
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--- /dev/null
+++ b/eazel-engine/src/eazel-theme.h
@@ -0,0 +1,383 @@
+/* eazel-theme.h -- definitions
+
+   Copyright (C) 2000 Eazel, Inc.
+
+   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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+   $Id: eazel-theme.h,v 1.16 2001/01/27 01:19:39 jsh Exp $
+
+   Authors: John Harper <jsh@eazel.com>  */
+
+#ifndef EAZEL_THEME_H
+#define EAZEL_THEME_H
+
+#include <gtk/gtk.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#define RANGE_WIDTH 15
+#define MIN_THUMB_HEIGHT 24
+#define SCALE_HEIGHT 16
+#define CHECK_SIZE 10
+#define CHECK_SPACING 3
+
+
+/* parser / per-engine data */
+
+enum {
+    TOKEN_THICKNESS = GTK_RC_TOKEN_LAST + 1,
+    TOKEN_FOCUS_THICKNESS,
+    TOKEN_DEFAULT_THICKNESS,
+    TOKEN_FOCUS_COLOR,
+    TOKEN_INSENSITIVE_COLORS,
+    TOKEN_NONE,
+    TOKEN_VERTICAL,
+    TOKEN_HORIZONTAL,
+    TOKEN_GRADIENT,
+    TOKEN_SHADOW,
+    TOKEN_INVERSE_SHADOW,
+    TOKEN_OUTLINE_SHADOW,
+    TOKEN_YES,
+    TOKEN_NO,
+    TOKEN_STOCK,
+    TOKEN_BORDER,
+    TOKEN_RECOLOR,
+    TOKEN_PALETTE,
+    TOKEN_IMAGE,
+    TOKEN_FG,
+    TOKEN_BG,
+    TOKEN_BASE,
+    TOKEN_TEXT,
+};
+
+#define THEME_SYMBOLS						\
+  { "thickness", TOKEN_THICKNESS }, 				\
+  { "focus_thickness", TOKEN_FOCUS_THICKNESS },			\
+  { "default_thickness", TOKEN_DEFAULT_THICKNESS },		\
+  { "focus_color", TOKEN_FOCUS_COLOR },				\
+  { "insensitive_colors", TOKEN_INSENSITIVE_COLORS },		\
+  { "none", TOKEN_NONE },					\
+  { "vertical", TOKEN_VERTICAL },				\
+  { "horizontal", TOKEN_HORIZONTAL },				\
+  { "gradient", TOKEN_GRADIENT },				\
+  { "shadow", TOKEN_SHADOW },					\
+  { "inverse_shadow", TOKEN_INVERSE_SHADOW },			\
+  { "outline_shadow", TOKEN_OUTLINE_SHADOW },			\
+  { "yes", TOKEN_YES },						\
+  { "no", TOKEN_NO },						\
+  { "stock", TOKEN_STOCK },					\
+  { "border", TOKEN_BORDER },					\
+  { "recolor", TOKEN_RECOLOR },					\
+  { "palette", TOKEN_PALETTE },					\
+  { "image", TOKEN_IMAGE },					\
+  { "fg", TOKEN_FG },						\
+  { "bg", TOKEN_BG },						\
+  { "base", TOKEN_BASE },					\
+  { "text", TOKEN_TEXT },					\
+  { 0, G_TOKEN_NONE }
+
+typedef enum {
+    GRADIENT_NONE = 0,
+    GRADIENT_VERTICAL,
+    GRADIENT_HORIZONTAL,
+} eazel_engine_gradient_direction;
+
+typedef enum {
+    EAZEL_ENGINE_CHECK = 0,
+    EAZEL_ENGINE_CHECK_FOCUS,
+    EAZEL_ENGINE_CHECK_HI,
+    EAZEL_ENGINE_CHECK_HI_FOCUS,
+    EAZEL_ENGINE_CHECK_PRESSED,
+    EAZEL_ENGINE_CHECK_PRESSED_FOCUS,
+    EAZEL_ENGINE_CHECK_DISABLED,
+    EAZEL_ENGINE_CHECK_ACTIVE,
+    EAZEL_ENGINE_CHECK_ACTIVE_FOCUS,
+    EAZEL_ENGINE_CHECK_ACTIVE_HI,
+    EAZEL_ENGINE_CHECK_ACTIVE_HI_FOCUS,
+    EAZEL_ENGINE_CHECK_ACTIVE_PRESSED,
+    EAZEL_ENGINE_CHECK_ACTIVE_PRESSED_FOCUS,
+    EAZEL_ENGINE_CHECK_ACTIVE_DISABLED,
+    EAZEL_ENGINE_OPTION,
+    EAZEL_ENGINE_OPTION_FOCUS,
+    EAZEL_ENGINE_OPTION_HI,
+    EAZEL_ENGINE_OPTION_HI_FOCUS,
+    EAZEL_ENGINE_OPTION_PRESSED,
+    EAZEL_ENGINE_OPTION_PRESSED_FOCUS,
+    EAZEL_ENGINE_OPTION_DISABLED,
+    EAZEL_ENGINE_OPTION_ACTIVE,
+    EAZEL_ENGINE_OPTION_ACTIVE_FOCUS,
+    EAZEL_ENGINE_OPTION_ACTIVE_HI,
+    EAZEL_ENGINE_OPTION_ACTIVE_HI_FOCUS,
+    EAZEL_ENGINE_OPTION_ACTIVE_PRESSED,
+    EAZEL_ENGINE_OPTION_ACTIVE_PRESSED_FOCUS,
+    EAZEL_ENGINE_OPTION_ACTIVE_DISABLED,
+    EAZEL_ENGINE_H_TROUGH,
+    EAZEL_ENGINE_V_TROUGH,
+    EAZEL_ENGINE_ARROW_UP,
+    EAZEL_ENGINE_ARROW_UP_HI,
+    EAZEL_ENGINE_ARROW_UP_ACTIVE,
+    EAZEL_ENGINE_ARROW_DOWN,
+    EAZEL_ENGINE_ARROW_DOWN_HI,
+    EAZEL_ENGINE_ARROW_DOWN_ACTIVE,
+    EAZEL_ENGINE_ARROW_RIGHT,
+    EAZEL_ENGINE_ARROW_RIGHT_HI,
+    EAZEL_ENGINE_ARROW_RIGHT_ACTIVE,
+    EAZEL_ENGINE_ARROW_LEFT,
+    EAZEL_ENGINE_ARROW_LEFT_HI,
+    EAZEL_ENGINE_ARROW_LEFT_ACTIVE,
+    EAZEL_ENGINE_H_SCROLLBAR,
+    EAZEL_ENGINE_H_SCROLLBAR_HI,
+    EAZEL_ENGINE_H_SCROLLBAR_INACTIVE,
+    EAZEL_ENGINE_H_SCROLLBAR_THUMB,
+    EAZEL_ENGINE_H_SCROLLBAR_THUMB_HI,
+    EAZEL_ENGINE_H_SCROLLBAR_THUMB_INACTIVE,
+    EAZEL_ENGINE_V_SCROLLBAR,
+    EAZEL_ENGINE_V_SCROLLBAR_HI,
+    EAZEL_ENGINE_V_SCROLLBAR_INACTIVE,
+    EAZEL_ENGINE_V_SCROLLBAR_THUMB,
+    EAZEL_ENGINE_V_SCROLLBAR_THUMB_HI,
+    EAZEL_ENGINE_V_SCROLLBAR_THUMB_INACTIVE,
+    EAZEL_ENGINE_PROGRESS_BAR,
+    EAZEL_ENGINE_PROGRESS_BAR_LEFT,
+    EAZEL_ENGINE_PROGRESS_BAR_RIGHT,
+    EAZEL_ENGINE_PROGRESS_BAR_INACTIVE,
+    EAZEL_ENGINE_PROGRESS_TROUGH,
+    EAZEL_ENGINE_H_SLIDER_THUMB,
+    EAZEL_ENGINE_H_SLIDER_THUMB_INACTIVE,
+    EAZEL_ENGINE_H_SLIDER_TROUGH,
+    EAZEL_ENGINE_H_SLIDER_TROUGH_ACTIVE,
+    EAZEL_ENGINE_V_SLIDER_THUMB,
+    EAZEL_ENGINE_V_SLIDER_THUMB_INACTIVE,
+    EAZEL_ENGINE_V_SLIDER_TROUGH,
+    EAZEL_ENGINE_V_SLIDER_TROUGH_ACTIVE,
+    EAZEL_ENGINE_TAB_TOP,
+    EAZEL_ENGINE_TAB_TOP_LEFT,
+    EAZEL_ENGINE_TAB_TOP_ACTIVE,
+    EAZEL_ENGINE_TAB_BOTTOM,
+    EAZEL_ENGINE_TAB_BOTTOM_LEFT,
+    EAZEL_ENGINE_TAB_BOTTOM_ACTIVE,
+    EAZEL_ENGINE_SPIN_ARROW_UP,
+    EAZEL_ENGINE_SPIN_ARROW_DOWN,
+    EAZEL_ENGINE_STOCK_MAX,
+} eazel_engine_stock_image;
+
+#define STOCK_SYMBOLS 									\
+    { "CHECK", EAZEL_ENGINE_CHECK },							\
+    { "CHECK_FOCUS", EAZEL_ENGINE_CHECK_FOCUS },					\
+    { "CHECK_HI", EAZEL_ENGINE_CHECK_HI },						\
+    { "CHECK_HI_FOCUS", EAZEL_ENGINE_CHECK_HI_FOCUS },					\
+    { "CHECK_PRESSED", EAZEL_ENGINE_CHECK_PRESSED },					\
+    { "CHECK_PRESSED_FOCUS", EAZEL_ENGINE_CHECK_PRESSED_FOCUS },			\
+    { "CHECK_DISABLED", EAZEL_ENGINE_CHECK_DISABLED },					\
+    { "CHECK_ACTIVE", EAZEL_ENGINE_CHECK_ACTIVE },					\
+    { "CHECK_ACTIVE_FOCUS", EAZEL_ENGINE_CHECK_ACTIVE_FOCUS },				\
+    { "CHECK_ACTIVE_HI", EAZEL_ENGINE_CHECK_ACTIVE_HI },				\
+    { "CHECK_ACTIVE_HI_FOCUS", EAZEL_ENGINE_CHECK_ACTIVE_HI_FOCUS },			\
+    { "CHECK_ACTIVE_PRESSED", EAZEL_ENGINE_CHECK_ACTIVE_PRESSED },			\
+    { "CHECK_ACTIVE_PRESSED_FOCUS", EAZEL_ENGINE_CHECK_ACTIVE_PRESSED_FOCUS },		\
+    { "CHECK_ACTIVE_DISABLED", EAZEL_ENGINE_CHECK_ACTIVE_DISABLED },			\
+    { "OPTION", EAZEL_ENGINE_OPTION },							\
+    { "OPTION_FOCUS", EAZEL_ENGINE_OPTION_FOCUS },					\
+    { "OPTION_HI", EAZEL_ENGINE_OPTION_HI },						\
+    { "OPTION_HI_FOCUS", EAZEL_ENGINE_OPTION_HI_FOCUS },				\
+    { "OPTION_PRESSED", EAZEL_ENGINE_OPTION_PRESSED },					\
+    { "OPTION_PRESSED_FOCUS", EAZEL_ENGINE_OPTION_PRESSED_FOCUS },			\
+    { "OPTION_DISABLED", EAZEL_ENGINE_OPTION_DISABLED },				\
+    { "OPTION_ACTIVE", EAZEL_ENGINE_OPTION_ACTIVE },					\
+    { "OPTION_ACTIVE_FOCUS", EAZEL_ENGINE_OPTION_ACTIVE_FOCUS },			\
+    { "OPTION_ACTIVE_HI", EAZEL_ENGINE_OPTION_ACTIVE_HI },				\
+    { "OPTION_ACTIVE_HI_FOCUS", EAZEL_ENGINE_OPTION_ACTIVE_HI_FOCUS },			\
+    { "OPTION_ACTIVE_PRESSED", EAZEL_ENGINE_OPTION_ACTIVE_PRESSED },			\
+    { "OPTION_ACTIVE_PRESSED_FOCUS", EAZEL_ENGINE_OPTION_ACTIVE_PRESSED_FOCUS },	\
+    { "OPTION_ACTIVE_DISABLED", EAZEL_ENGINE_OPTION_ACTIVE_DISABLED },			\
+    { "H_TROUGH", EAZEL_ENGINE_H_TROUGH },						\
+    { "V_TROUGH", EAZEL_ENGINE_V_TROUGH },						\
+    { "ARROW_UP", EAZEL_ENGINE_ARROW_UP },						\
+    { "ARROW_UP_HI", EAZEL_ENGINE_ARROW_UP_HI },					\
+    { "ARROW_UP_ACTIVE", EAZEL_ENGINE_ARROW_UP_ACTIVE },				\
+    { "ARROW_DOWN", EAZEL_ENGINE_ARROW_DOWN },						\
+    { "ARROW_DOWN_HI", EAZEL_ENGINE_ARROW_DOWN_HI },					\
+    { "ARROW_DOWN_ACTIVE", EAZEL_ENGINE_ARROW_DOWN_ACTIVE },				\
+    { "ARROW_RIGHT", EAZEL_ENGINE_ARROW_RIGHT },					\
+    { "ARROW_RIGHT_HI", EAZEL_ENGINE_ARROW_RIGHT_HI },					\
+    { "ARROW_RIGHT_ACTIVE", EAZEL_ENGINE_ARROW_RIGHT_ACTIVE },				\
+    { "ARROW_LEFT", EAZEL_ENGINE_ARROW_LEFT },						\
+    { "ARROW_LEFT_HI", EAZEL_ENGINE_ARROW_LEFT_HI },					\
+    { "ARROW_LEFT_ACTIVE", EAZEL_ENGINE_ARROW_LEFT_ACTIVE },				\
+    { "H_SCROLLBAR", EAZEL_ENGINE_H_SCROLLBAR },					\
+    { "H_SCROLLBAR_HI", EAZEL_ENGINE_H_SCROLLBAR_HI },					\
+    { "H_SCROLLBAR_INACTIVE", EAZEL_ENGINE_H_SCROLLBAR_INACTIVE },			\
+    { "H_SCROLLBAR_THUMB", EAZEL_ENGINE_H_SCROLLBAR_THUMB },				\
+    { "H_SCROLLBAR_THUMB_HI", EAZEL_ENGINE_H_SCROLLBAR_THUMB_HI },			\
+    { "H_SCROLLBAR_THUMB_INACTIVE", EAZEL_ENGINE_H_SCROLLBAR_THUMB_INACTIVE },		\
+    { "V_SCROLLBAR", EAZEL_ENGINE_V_SCROLLBAR },					\
+    { "V_SCROLLBAR_HI", EAZEL_ENGINE_V_SCROLLBAR_HI },					\
+    { "V_SCROLLBAR_INACTIVE", EAZEL_ENGINE_V_SCROLLBAR_INACTIVE },			\
+    { "V_SCROLLBAR_THUMB", EAZEL_ENGINE_V_SCROLLBAR_THUMB },				\
+    { "V_SCROLLBAR_THUMB_HI", EAZEL_ENGINE_V_SCROLLBAR_THUMB_HI },			\
+    { "V_SCROLLBAR_THUMB_INACTIVE", EAZEL_ENGINE_V_SCROLLBAR_THUMB_INACTIVE },		\
+    { "PROGRESS_BAR", EAZEL_ENGINE_PROGRESS_BAR },					\
+    { "PROGRESS_BAR_LEFT", EAZEL_ENGINE_PROGRESS_BAR_LEFT },				\
+    { "PROGRESS_BAR_RIGHT", EAZEL_ENGINE_PROGRESS_BAR_RIGHT },				\
+    { "PROGRESS_BAR_INACTIVE", EAZEL_ENGINE_PROGRESS_BAR_INACTIVE },			\
+    { "PROGRESS_TROUGH", EAZEL_ENGINE_PROGRESS_TROUGH },				\
+    { "H_SLIDER_THUMB", EAZEL_ENGINE_H_SLIDER_THUMB },					\
+    { "H_SLIDER_THUMB_INACTIVE", EAZEL_ENGINE_H_SLIDER_THUMB_INACTIVE },		\
+    { "H_SLIDER_TROUGH", EAZEL_ENGINE_H_SLIDER_TROUGH },				\
+    { "H_SLIDER_TROUGH_ACTIVE", EAZEL_ENGINE_H_SLIDER_TROUGH_ACTIVE },			\
+    { "V_SLIDER_THUMB", EAZEL_ENGINE_V_SLIDER_THUMB },					\
+    { "V_SLIDER_THUMB_INACTIVE", EAZEL_ENGINE_V_SLIDER_THUMB_INACTIVE },		\
+    { "V_SLIDER_TROUGH", EAZEL_ENGINE_V_SLIDER_TROUGH },				\
+    { "V_SLIDER_TROUGH_ACTIVE", EAZEL_ENGINE_V_SLIDER_TROUGH_ACTIVE },			\
+    { "TAB_TOP", EAZEL_ENGINE_TAB_TOP },						\
+    { "TAB_TOP_LEFT", EAZEL_ENGINE_TAB_TOP_LEFT },					\
+    { "TAB_TOP_ACTIVE", EAZEL_ENGINE_TAB_TOP_ACTIVE },					\
+    { "TAB_BOTTOM", EAZEL_ENGINE_TAB_BOTTOM },						\
+    { "TAB_BOTTOM_LEFT", EAZEL_ENGINE_TAB_BOTTOM_LEFT },				\
+    { "TAB_BOTTOM_ACTIVE", EAZEL_ENGINE_TAB_BOTTOM_ACTIVE },				\
+    { "SPIN_ARROW_UP", EAZEL_ENGINE_SPIN_ARROW_UP },					\
+    { "SPIN_ARROW_DOWN", EAZEL_ENGINE_SPIN_ARROW_DOWN },				\
+    { 0, 0 }
+
+typedef struct eazel_engine_gradient_component_struct eazel_engine_gradient_component;
+struct eazel_engine_gradient_component_struct {
+    GdkColor color;
+    float weight;
+};
+
+typedef struct {
+    guint refcount;
+    eazel_engine_gradient_direction direction;
+    GdkColor from;
+    GSList *components;
+} eazel_engine_gradient;
+
+typedef struct pixmap_cache_node_struct eazel_engine_pixmap_cache_node;
+
+typedef struct {
+    char *filename;
+    int border[4];
+    eazel_engine_gradient *recolor;
+    GdkPixbuf *pixbuf;
+    eazel_engine_pixmap_cache_node *pixmap_first, *pixmap_last;
+} eazel_engine_image;
+
+typedef struct {
+    int ref_count;
+    eazel_engine_image images[EAZEL_ENGINE_STOCK_MAX];
+} eazel_engine_stock_table;
+
+#define EAZEL_ENGINE_PALETTE_SIZE 4
+
+/* Information about a single RC style */
+typedef struct {
+    guint refcount;
+
+    guint thickness;
+    guint focus_thickness;
+    guint default_thickness;
+
+    guint no_shadow : 1;
+    guint inverse_shadow : 1;
+    guint outline_shadow : 1;
+
+    GdkColor focus_color;
+    GdkColor insensitive_colors[2];	/* inner, outer */
+
+    eazel_engine_gradient *palette[EAZEL_ENGINE_PALETTE_SIZE];
+
+    /* for each GTK widget state */
+    eazel_engine_gradient *gradients[5];
+
+    eazel_engine_stock_table *stock;
+
+} eazel_theme_data;
+
+#define DEFAULT_THEME_DATA {			\
+  0, 2, 2, 3, FALSE, FALSE, TRUE,		\
+  { 0, 0x4a4a, 0x7d7d, 0x8484 },		\
+  { { 0, 0x6363, 0x6565, 0x6363 },		\
+    { 0, 0xcfcf, 0xd0d0, 0xcfcf } },		\
+ }
+
+#define STYLE_THEME_DATA(s) ((eazel_theme_data *) ((s)->engine_data))
+
+
+/* prototypes */
+
+/* from eazel-theme-main.c */
+extern gboolean eazel_engine_widget_in_focused_window_p (GtkWidget *widget);
+extern void theme_init (GtkThemeEngine *engine);
+extern void theme_exit (void);
+
+/* from eazel-theme-draw.c */
+extern GtkStyleClass eazel_class_0, eazel_class_1, eazel_class_2, eazel_class_3;
+
+/* from eazel-theme-gradient.c */
+extern eazel_engine_gradient *eazel_engine_gradient_new (eazel_engine_gradient_direction direction,
+							 GdkColor *from,
+							 GSList *components);
+extern eazel_engine_gradient *eazel_engine_gradient_ref (eazel_engine_gradient *g);
+extern void eazel_engine_gradient_unref (eazel_engine_gradient *g);
+extern eazel_engine_gradient *eazel_engine_make_two_point_gradient (eazel_engine_gradient_direction direction,
+								    gulong from_rgb,
+								    gulong to_rgb);
+
+extern void eazel_engine_fill_gradient_rgb_buffer (const eazel_engine_gradient *gradient,
+						   int rgb_total, guchar *rgb_buf,
+						   int rgb_first, int rgb_last);
+
+extern void eazel_engine_draw_gradient (GdkDrawable *drawable,
+					GdkGC *gc,
+					const GdkRectangle *full_rect,
+					const GdkRectangle *clip_rect,
+					const eazel_engine_gradient *gradient);
+
+extern void eazel_engine_set_bg_gradient (GdkWindow *window,
+					  eazel_engine_gradient *gradient);
+
+/* from eazel-theme-shadow.c */
+extern void eazel_engine_draw_shadow (GtkStyle *style,
+				      GdkWindow *window,
+				      GtkStateType state_type,
+				      GtkShadowType shadow_type,
+				      GdkRectangle *area,
+				      GtkWidget *widget,
+				      gchar *detail,
+				      gint x, gint y, gint width, gint height);
+
+/* from eazel-theme-pixmaps.c */
+extern void eazel_engine_stock_table_unref (eazel_engine_stock_table *table);
+extern eazel_engine_stock_table *eazel_engine_stock_table_ref (eazel_engine_stock_table *table);
+extern void eazel_engine_stock_pixmap_and_mask (eazel_engine_stock_table *table,
+						eazel_engine_stock_image type,
+						GdkPixmap **image,
+						GdkBitmap **mask);
+extern void eazel_engine_stock_pixmap_and_mask_scaled (eazel_engine_stock_table *table,
+						       eazel_engine_stock_image type,
+						       int width, int height,
+						       GdkPixmap **image,
+						       GdkBitmap **mask);
+extern void eazel_engine_stock_free_pixmaps (eazel_engine_stock_table *table,
+					     eazel_engine_stock_image type,
+					     GdkPixmap *image, GdkPixmap *mask);
+extern void eazel_engine_stock_get_size (eazel_engine_stock_table *table,
+					 eazel_engine_stock_image type,
+					 int *width, int *height);
+
+/* from eazel-theme-hacks.c */
+extern void eazel_engine_install_hacks (void);
+extern void eazel_engine_remove_hacks (void);
+
+#endif /* EAZEL_THEME_H */