Adding RrButton to libobrender, ref counted appearances.

Makefile.am

@@ -87,6 +87,8 @@ obrender_libobrender_la_LIBADD = \
 	$(XML_LIBS)
 obrender_libobrender_la_SOURCES = \
 	gettext.h \
+	obrender/button.h \
+	obrender/button.c \
 	obrender/color.h \
 	obrender/color.c \
 	obrender/font.h \

obrender/button.c

@@ -0,0 +1,103 @@
+#include "render.h"
+#include "button.h"
+#include "instance.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <string.h>
+
+static void RrButtonFreeReal(RrButton* b);
+
+RrButton *RrButtonNew (const RrInstance *inst)
+{
+    RrButton *out = NULL;
+
+    out = g_new(RrButton, 1);
+    out->inst = inst;
+    out->ref = 1;
+
+    /* no need to alloc colors, set them null (for freeing later) */
+    out->focused_unpressed_color = NULL;
+    out->unfocused_unpressed_color = NULL;
+    out->focused_pressed_color = NULL;
+    out->unfocused_pressed_color = NULL;
+    out->disabled_focused_color = NULL;
+    out->disabled_unfocused_color = NULL;
+    out->hover_focused_color = NULL;
+    out->hover_unfocused_color = NULL;
+    out->toggled_hover_focused_color = NULL;
+    out->toggled_hover_unfocused_color = NULL;
+    out->toggled_focused_pressed_color = NULL;
+    out->toggled_unfocused_pressed_color = NULL;
+    out->toggled_focused_unpressed_color = NULL;
+    out->toggled_unfocused_unpressed_color = NULL;
+
+    /* same with masks */
+    out->mask = NULL;
+    out->pressed_mask = NULL;
+    out->disabled_mask = NULL;
+    out->hover_mask = NULL;
+    out->toggled_mask = NULL;
+    out->toggled_hover_mask = NULL;
+    out->toggled_pressed_mask = NULL;
+
+    /* allocate appearances */
+    out->a_focused_unpressed = RrAppearanceNew(inst, 1);
+    out->a_unfocused_unpressed = RrAppearanceNew(inst, 1);
+    out->a_focused_pressed = RrAppearanceNew(inst, 1);
+    out->a_unfocused_pressed = RrAppearanceNew(inst, 1);
+    out->a_disabled_focused = RrAppearanceNew(inst, 1);
+    out->a_disabled_unfocused = RrAppearanceNew(inst, 1);
+    out->a_hover_focused = RrAppearanceNew(inst, 1);
+    out->a_hover_unfocused = RrAppearanceNew(inst, 1);
+    out->a_toggled_focused_unpressed = RrAppearanceNew(inst, 1);
+    out->a_toggled_unfocused_unpressed = RrAppearanceNew(inst, 1);
+    out->a_toggled_focused_pressed = RrAppearanceNew(inst, 1);
+    out->a_toggled_unfocused_pressed = RrAppearanceNew(inst, 1);
+    out->a_toggled_hover_focused = RrAppearanceNew(inst, 1);
+    out->a_toggled_hover_unfocused = RrAppearanceNew(inst, 1);
+
+    return out;
+}
+
+void RrButtonFree(RrButton *b)
+{
+    b->ref--;
+    if (b->ref <= 0)
+        RrButtonFreeReal(b);
+}
+
+void RrButtonFreeReal(RrButton* b)
+{
+    /* colors */
+    if (b->focused_unpressed_color) 
+        RrColorFree(b->focused_unpressed_color);
+    if (b->unfocused_unpressed_color) 
+        RrColorFree(b->unfocused_unpressed_color);
+    if (b->focused_pressed_color) 
+        RrColorFree(b->focused_pressed_color);
+    if (b->unfocused_pressed_color) 
+        RrColorFree(b->unfocused_pressed_color);
+    if (b->disabled_focused_color) 
+        RrColorFree(b->disabled_focused_color);
+    if (b->disabled_unfocused_color) 
+        RrColorFree(b->disabled_unfocused_color);
+    if (b->hover_focused_color) 
+        RrColorFree(b->hover_focused_color);
+    if (b->hover_unfocused_color) 
+        RrColorFree(b->hover_unfocused_color);
+    if (b->toggled_hover_focused_color) 
+        RrColorFree(b->toggled_hover_focused_color);
+    if (b->toggled_hover_unfocused_color) 
+        RrColorFree(b->toggled_hover_unfocused_color);
+    if (b->toggled_focused_pressed_color) 
+        RrColorFree(b->toggled_focused_pressed_color);
+    if (b->toggled_unfocused_pressed_color) 
+        RrColorFree(b->toggled_unfocused_pressed_color);
+    if (b->toggled_focused_unpressed_color) 
+        RrColorFree(b->toggled_focused_unpressed_color);
+    if (b->toggled_unfocused_unpressed_color) 
+        RrColorFree(b->toggled_unfocused_unpressed_color);
+
+    /* masks */
+}

obrender/button.h

@@ -0,0 +1,59 @@
+#ifndef __button_h
+#define __button_h
+
+#include "render.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <glib.h>
+
+struct _RrButton {
+    const RrInstance *inst;
+
+    /* reference count */
+    gint ref;
+
+    /* colors */
+    RrColor *focused_unpressed_color;
+    RrColor *unfocused_unpressed_color;
+    RrColor *focused_pressed_color;
+    RrColor *unfocused_pressed_color;
+    RrColor *disabled_focused_color;
+    RrColor *disabled_unfocused_color;
+    RrColor *hover_focused_color;
+    RrColor *hover_unfocused_color;
+    RrColor *toggled_hover_focused_color;
+    RrColor *toggled_hover_unfocused_color;
+    RrColor *toggled_focused_pressed_color;
+    RrColor *toggled_unfocused_pressed_color;
+    RrColor *toggled_focused_unpressed_color;
+    RrColor *toggled_unfocused_unpressed_color;
+    
+    /* masks */
+    RrPixmapMask *mask;
+    RrPixmapMask *pressed_mask;
+    RrPixmapMask *disabled_mask;
+    RrPixmapMask *hover_mask;
+    RrPixmapMask *toggled_mask;
+    RrPixmapMask *toggled_hover_mask;
+    RrPixmapMask *toggled_pressed_mask;
+   
+    /* textures */
+    RrAppearance *a_focused_unpressed;
+    RrAppearance *a_unfocused_unpressed;
+    RrAppearance *a_focused_pressed;
+    RrAppearance *a_unfocused_pressed;
+    RrAppearance *a_disabled_focused;
+    RrAppearance *a_disabled_unfocused;
+    RrAppearance *a_hover_focused;
+    RrAppearance *a_hover_unfocused;
+    RrAppearance *a_toggled_focused_unpressed;
+    RrAppearance *a_toggled_unfocused_unpressed;
+    RrAppearance *a_toggled_focused_pressed;
+    RrAppearance *a_toggled_unfocused_pressed;
+    RrAppearance *a_toggled_hover_focused;
+    RrAppearance *a_toggled_hover_unfocused;
+
+};
+
+#endif /* __button_h */

obrender/render.c

@@ -204,6 +204,7 @@ RrAppearance *RrAppearanceNew(const RrInstance *inst, gint numtex)
 
   out = g_slice_new0(RrAppearance);
   out->inst = inst;
+  out->ref = 1;
   out->textures = numtex;
   out->surface.bevel_light_adjust = 128;
   out->surface.bevel_dark_adjust = 64;
@@ -231,12 +232,22 @@ void RrAppearanceClearTextures(RrAppearance *a)
     memset(a->texture, 0, a->textures * sizeof(RrTexture));
 }
 
+/* shallow copy means up the ref count and return it */
+RrAppearance *RrAppearanceCopyShallow(RrAppearance *orig)
+{
+    orig->ref++;
+    return orig;
+}
+
+/* deep copy of orig, means reset ref to 1 on copy
+ * and copy each thing memwise. */
 RrAppearance *RrAppearanceCopy(RrAppearance *orig)
 {
     RrSurface *spo, *spc;
     RrAppearance *copy = g_slice_new(RrAppearance);
 
     copy->inst = orig->inst;
+    copy->ref = 1;
 
     spo = &(orig->surface);
     spc = &(copy->surface);
@@ -316,6 +327,7 @@ RrAppearance *RrAppearanceCopy(RrAppearance *orig)
     return copy;
 }
 
+/* now decrements ref counter, and frees only if ref <= 0 */
 void RrAppearanceFree(RrAppearance *a)
 {
     if (a) {

obrender/render.h

@@ -46,6 +46,7 @@ typedef struct _RrColor            RrColor;
 typedef struct _RrImage            RrImage;
 typedef struct _RrImagePic         RrImagePic;
 typedef struct _RrImageCache       RrImageCache;
+typedef struct _RrButton           RrButton;
 
 typedef guint32 RrPixel32;
 typedef guint16 RrPixel16;
@@ -220,6 +221,8 @@ struct _RrTexture {
 
 struct _RrAppearance {
     const RrInstance *inst;
+    
+    gint ref;
 
     RrSurface surface;
     gint textures;
@@ -314,6 +317,7 @@ gulong   RrColorPixel (const RrColor *c);
 GC       RrColorGC    (RrColor *c);
 
 RrAppearance *RrAppearanceNew  (const RrInstance *inst, gint numtex);
+RrAppearance *RrAppearanceCopyShallow (RrAppearance *a);
 RrAppearance *RrAppearanceCopy (RrAppearance *a);
 void          RrAppearanceFree (RrAppearance *a);
 void          RrAppearanceRemoveTextures(RrAppearance *a);
@@ -321,6 +325,9 @@ void          RrAppearanceAddTextures(RrAppearance *a, gint numtex);
 /*! Always call this when changing the type of a texture in an appearance */
 void          RrAppearanceClearTextures(RrAppearance *a);
 
+RrButton *RrButtonNew (const RrInstance *inst);
+void      RrButtonFree(RrButton *b);
+
 RrFont *RrFontOpen          (const RrInstance *inst, const gchar *name,
                              gint size, RrFontWeight weight, RrFontSlant slant);
 RrFont *RrFontOpenDefault   (const RrInstance *inst);