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authorKlaus Schmidinger <vdr@tvdr.de>2007-08-26 09:58:10 +0200
committerKlaus Schmidinger <vdr@tvdr.de>2007-08-26 09:58:10 +0200
commita80915ff22ec0103fb95212b0048aa73007f87eb (patch)
tree0ba0885a3deae6239f4b67ee066c8319f4856c13 /osd.h
parent6a737033ad4a4b732198a99c5f227f10278b32b6 (diff)
downloadvdr-a80915ff22ec0103fb95212b0048aa73007f87eb.tar.gz
vdr-a80915ff22ec0103fb95212b0048aa73007f87eb.tar.bz2
There can now be more than one OSD at the same time
Diffstat (limited to 'osd.h')
-rw-r--r--osd.h24
1 files changed, 18 insertions, 6 deletions
diff --git a/osd.h b/osd.h
index 08bc4184..604b2d22 100644
--- a/osd.h
+++ b/osd.h
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: osd.h 1.56 2007/07/20 14:50:17 kls Exp $
+ * $Id: osd.h 1.57 2007/08/26 09:45:38 kls Exp $
*/
#ifndef __OSD_H
@@ -15,6 +15,7 @@
#include <stdint.h>
#include "config.h"
#include "font.h"
+#include "tools.h"
#define MAXNUMCOLORS 256
@@ -247,13 +248,15 @@ class cOsd {
friend class cOsdProvider;
private:
static int osdLeft, osdTop, osdWidth, osdHeight;
- static int isOpen;
+ static cVector<cOsd *> Osds;
cBitmap *savedRegion;
cBitmap *bitmaps[MAXOSDAREAS];
int numBitmaps;
int left, top, width, height;
+ uint level;
+ bool active;
protected:
- cOsd(int Left, int Top);
+ cOsd(int Left, int Top, uint Level);
///< Initializes the OSD with the given coordinates.
///< By default it is assumed that the full area will be able to display
///< full 32 bit graphics (ARGB with eight bit for each color and the alpha
@@ -269,6 +272,14 @@ protected:
///< and should require only the minimum necessary color depth. This is
///< because a derived cOsd class may or may not be able to handle more
///< than one area.
+ ///< There can be any number of cOsd objects at the same time, but only
+ ///< one of them will be active at any given time. The active OSD is the
+ ///< one with the lowest value of Level. If there are several cOsd objects
+ ///< with the same Level, the one that was created first will be active.
+ bool Active(void) { return active; }
+ virtual void SetActive(bool On) { active = On; }
+ ///< Sets this OSD to be the active one.
+ ///< A derived class must call cOsd::SetActive(On).
public:
virtual ~cOsd();
///< Shuts down the OSD.
@@ -281,7 +292,8 @@ public:
///< This may be useful for plugins that determine the scaling of the
///< video image and need to scale the OSD accordingly to fit on the
///< screen.
- static int IsOpen(void) { return isOpen; }
+ static int IsOpen(void) { return Osds.Size() && Osds[0]->level == 0; }
+ ///< Returns true if there is currently a level 0 OSD open.
int Left(void) { return left; }
int Top(void) { return top; }
int Width(void) { return width; }
@@ -379,14 +391,14 @@ class cOsdProvider {
private:
static cOsdProvider *osdProvider;
protected:
- virtual cOsd *CreateOsd(int Left, int Top) = 0;
+ virtual cOsd *CreateOsd(int Left, int Top, uint Level) = 0;
///< Returns a pointer to a newly created cOsd object, which will be located
///< at the given coordinates.
public:
cOsdProvider(void);
//XXX maybe parameter to make this one "sticky"??? (frame-buffer etc.)
virtual ~cOsdProvider();
- static cOsd *NewOsd(int Left, int Top);
+ static cOsd *NewOsd(int Left, int Top, uint Level = 0);
///< Returns a pointer to a newly created cOsd object, which will be located
///< at the given coordinates. When the cOsd object is no longer needed, the
///< caller must delete it. If the OSD is already in use, or there is no OSD