Add the basic window buttons, though there are some renderering errors and the buttons only work with Ambiance at this point

(bzr r669.3.12)

1 files changed, 148 insertions, 8 deletions

diff --git a/src/WindowButtons.cpp b/src/WindowButtons.cpp
index 51be59228..6c628b996 100644
--- a/src/WindowButtons.cpp
+++ b/src/WindowButtons.cpp
@@ -29,33 +29,173 @@
 
 #include <glib.h>
 
+
+// FIXME: This will be all automatic in the future
+#define AMBIANCE "/usr/share/themes/Ambiance/metacity-1"
+
+enum
+{
+ BUTTON_CLOSE=0,
+ BUTTON_MINIMISE,
+ BUTTON_UNMAXIMISE
+};
+
 class WindowButton : public nux::Button
 {
 public:
- WindowButton ()
+ WindowButton (int type)
 : nux::Button ("X", NUX_TRACKER_LOCATION)
 {
-
+ if (type == BUTTON_CLOSE)
+ LoadImages ("close");
+ else if (type == BUTTON_MINIMISE)
+ LoadImages ("minimize");
+ else
+ LoadImages ("unmaximize");
+
+ LoadTextures ();
 }
 
 ~WindowButton ()
 {
+ delete _normal_layer;
+ delete _prelight_layer;
+ delete _pressed_layer;
+ }
+
+ void Draw (nux::GraphicsEngine &GfxContext, bool force_draw)
+ {
+ nux::Geometry geo = GetGeometry ();
+ nux::AbstractPaintLayer *alayer;
+ 
+ GfxContext.PushClippingRectangle (geo);
+ 
+ nux::ROPConfig rop; 
+ rop.Blend = true;
+ rop.SrcBlend = GL_ONE;
+ rop.DstBlend = GL_ONE_MINUS_SRC_ALPHA;
+ 
+ nux::ColorLayer layer (nux::Color (0x00000000), true, rop);
+ gPainter.PushDrawLayer (GfxContext, GetGeometry (), &layer);
+
+ if (HasMouseFocus ())
+ alayer = _pressed_layer;
+ else if (IsMouseInside ())
+ alayer = _prelight_layer;
+ else
+ alayer = _normal_layer;
+
+ gPainter.PushDrawLayer (GfxContext, GetGeometry (), alayer);
+
+ gPainter.PopBackground ();
+ 
+ GfxContext.PopClippingRectangle();
+ }
 
+ void LoadImages (const char *name)
+ {
+ gchar *filename;
+ GError *error = NULL;
+
+ filename = g_strdup_printf ("%s/%s.png", AMBIANCE, name);
+ _normal = gdk_pixbuf_new_from_file (filename, &error);
+ if (error)
+ {
+ g_warning ("Unable to load window button %s: %s", filename, error->message);
+ g_error_free (error);
+ error = NULL;
+ }
+ g_free (filename);
+
+ filename = g_strdup_printf ("%s/%s_focused_prelight.png", AMBIANCE, name);
+ _prelight = gdk_pixbuf_new_from_file (filename, &error);
+ if (error)
+ {
+ g_warning ("Unable to load window button %s: %s", filename, error->message);
+ g_error_free (error);
+ error = NULL;
+ }
+ g_free (filename);
+
+ filename = g_strdup_printf ("%s/%s_focused_pressed.png", AMBIANCE, name);
+ _pressed = gdk_pixbuf_new_from_file (filename, &error);
+ if (error)
+ {
+ g_warning ("Unable to load window button %s: %s", name, error->message);
+ g_error_free (error);
+ error = NULL;
+ }
+ g_free (filename);
 }
+
+ void LoadTextures ()
+ {
+ nux::BaseTexture *texture; 
+ nux::ROPConfig rop; 
+ nux::TexCoordXForm texxform;
+
+ rop.Blend = true;
+ rop.SrcBlend = GL_ONE;
+ rop.DstBlend = GL_ONE_MINUS_SRC_ALPHA;
+
+ texxform.SetTexCoordType (nux::TexCoordXForm::OFFSET_COORD);
+ texxform.SetWrap (nux::TEXWRAP_REPEAT, nux::TEXWRAP_REPEAT);
+ 
+ texture = nux::CreateTextureFromPixbuf (_normal);
+ _normal_layer = new nux::TextureLayer (texture->GetDeviceTexture(),
+ texxform,
+ nux::Color::White,
+ false, 
+ rop);
+ texture->UnReference ();
+
+ texture = nux::CreateTextureFromPixbuf (_prelight);
+ _prelight_layer = new nux::TextureLayer (texture->GetDeviceTexture(),
+ texxform,
+ nux::Color::White,
+ false, 
+ rop);
+ texture->UnReference ();
+ 
+ texture = nux::CreateTextureFromPixbuf (_pressed);
+ _pressed_layer = new nux::TextureLayer (texture->GetDeviceTexture(),
+ texxform,
+ nux::Color::White,
+ false, 
+ rop);
+
+ SetMinimumSize (texture->GetWidth (), texture->GetHeight ());
+
+ texture->UnReference ();
+
+ g_object_unref (_normal);
+ g_object_unref (_prelight);
+ g_object_unref (_pressed);
+ }
+
+private:
+ GdkPixbuf *_normal;
+ GdkPixbuf *_prelight;
+ GdkPixbuf *_pressed;
+
+ nux::AbstractPaintLayer *_normal_layer;
+ nux::AbstractPaintLayer *_prelight_layer;
+ nux::AbstractPaintLayer *_pressed_layer;
 };
 
+
 WindowButtons::WindowButtons ()
 {
 WindowButton *but;
 
- but = new WindowButton ();
- AddView (but, 0, nux::eCenter, nux::eFull);
+ but = new WindowButton (BUTTON_CLOSE);
+ AddView (but, 0, nux::eCenter, nux::eFix);
 
- but = new WindowButton ();
- AddView (but, 0, nux::eCenter, nux::eFull);
+ but = new WindowButton (BUTTON_MINIMISE);
+ AddView (but, 0, nux::eCenter, nux::eFix);
 
- but = new WindowButton ();
- AddView (but, 0, nux::eCenter, nux::eFull);
+ but = new WindowButton (BUTTON_UNMAXIMISE);
+ AddView (but, 0, nux::eCenter, nux::eFix);
 
 SetContentDistribution (nux::eStackLeft);
 }