Codechange: [OSX] There is only one subdriver left, remove virtual dispatch.

4 files changed, 58 insertions, 138 deletions

diff --git a/src/video/cocoa/cocoa_v.h b/src/video/cocoa/cocoa_v.h
index 54ff53d15..2aca2034e 100644
--- a/src/video/cocoa/cocoa_v.h
+++ b/src/video/cocoa/cocoa_v.h
@@ -86,12 +86,22 @@ public:
 };
 
 
-/**
- * Generic display driver for cocoa
- * On grounds to not duplicate some code, it contains a few variables
- * which are not used by all device drivers.
- */
-class CocoaSubdriver {
+
+class WindowQuartzSubdriver {
+private:
+	/**
+	 * This function copies 8bpp pixels from the screen buffer in 32bpp windowed mode.
+	 *
+	 * @param left The x coord for the left edge of the box to blit.
+	 * @param top The y coord for the top edge of the box to blit.
+	 * @param right The x coord for the right edge of the box to blit.
+	 * @param bottom The y coord for the bottom edge of the box to blit.
+	 */
+	void BlitIndexedToView32(int left, int top, int right, int bottom);
+
+	void GetDeviceInfo();
+	bool SetVideoMode(int width, int height, int bpp);
+
 public:
 	int device_width;     ///< Width of device in pixel
 	int device_height;    ///< Height of device in pixel
@@ -104,8 +114,6 @@ public:
 	int buffer_depth;     ///< Colour depth of used frame buffer
 	void *pixel_buffer;   ///< used for direct pixel access
 	void *window_buffer;  ///< Colour translation from palette to screen
-	CGColorSpaceRef color_space; //< Window color space
-	id window;            ///< Pointer to window object
 
 #	define MAX_DIRTY_RECTS 100
 	Rect dirty_rects[MAX_DIRTY_RECTS]; ///< dirty rectangles
@@ -115,20 +123,18 @@ public:
 	bool active;          ///< Whether the window is visible
 	bool setup;
 
+	id window;            ///< Pointer to window object
 	id cocoaview;         ///< Pointer to view object
+	CGColorSpaceRef color_space; ///< Window color space
+	CGContextRef cgcontext;      ///< Context reference for Quartz subdriver
 
-	/* Separate driver vars for Quarz
-	 * Needed here in order to avoid much code duplication */
-	CGContextRef cgcontext;    ///< Context reference for Quartz subdriver
-
-	/* Driver methods */
-	/** Initialize driver */
-	virtual ~CocoaSubdriver() {}
+	WindowQuartzSubdriver();
+	~WindowQuartzSubdriver();
 
 	/** Draw window
 	 * @param force_update Whether to redraw unconditionally
 	 */
-	virtual void Draw(bool force_update = false) = 0;
+	void Draw(bool force_update = false);
 
 	/** Mark dirty a screen region
 	 * @param left x-coordinate of left border
@@ -136,77 +142,73 @@ public:
 	 * @param width width or dirty rectangle
 	 * @param height height of dirty rectangle
 	 */
-	virtual void MakeDirty(int left, int top, int width, int height) = 0;
+	void MakeDirty(int left, int top, int width, int height);
 
 	/** Update the palette */
-	virtual void UpdatePalette(uint first_color, uint num_colors) = 0;
+	void UpdatePalette(uint first_color, uint num_colors);
 
-	virtual uint ListModes(OTTD_Point *modes, uint max_modes) = 0;
+	uint ListModes(OTTD_Point *modes, uint max_modes);
 
 	/** Change window resolution
 	 * @param w New window width
 	 * @param h New window height
 	 * @return Whether change was successful
 	 */
-	virtual bool ChangeResolution(int w, int h, int bpp) = 0;
+	bool ChangeResolution(int w, int h, int bpp);
 
 	/** Are we in fullscreen mode
 	 * @return whether fullscreen mode is currently used
 	 */
-	virtual bool IsFullscreen() = 0;
+	bool IsFullscreen();
 
 	/** Toggle between fullscreen and windowed mode
 	 * @return whether switch was successful
 	 */
-	virtual bool ToggleFullscreen(bool fullscreen) { return false; };
+	bool ToggleFullscreen(bool fullscreen);
 
 	/** Return the width of the current view
 	 * @return width of the current view
 	 */
-	virtual int GetWidth() = 0;
+	int GetWidth() { return window_width; }
 
 	/** Return the height of the current view
 	 * @return height of the current view
 	 */
-	virtual int GetHeight() = 0;
+	int GetHeight() { return window_height; }
 
 	/** Return the current pixel buffer
 	 * @return pixelbuffer
 	 */
-	virtual void *GetPixelBuffer() = 0;
+	void *GetPixelBuffer() { return buffer_depth == 8 ? pixel_buffer : window_buffer; }
 
 	/** Convert local coordinate to window server (CoreGraphics) coordinate
 	 * @param p local coordinates
 	 * @return window driver coordinates
 	 */
-	virtual CGPoint PrivateLocalToCG(NSPoint *p) = 0;
+	CGPoint PrivateLocalToCG(NSPoint *p);
 
 	/** Return the mouse location
 	 * @param event UI event
 	 * @return mouse location as NSPoint
 	 */
-	virtual NSPoint GetMouseLocation(NSEvent *event) = 0;
+	NSPoint GetMouseLocation(NSEvent *event);
 
 	/** Return whether the mouse is within our view
 	 * @param pt Mouse coordinates
 	 * @return Whether mouse coordinates are within view
 	 */
-	virtual bool MouseIsInsideView(NSPoint *pt) = 0;
+	bool MouseIsInsideView(NSPoint *pt);
 
-	/** Return whether the window is active (visible)
-	 * @return whether the window is visible or not
-	 */
-	virtual bool IsActive() = 0;
+	/** Return whether the window is active (visible) */
+	bool IsActive() { return active; }
 
-	/** Whether the window was successfully resized
+	/** Resize the window.
 	 * @return whether the window was successfully resized
 	 */
-	virtual bool WindowResized() { return false; };
+	bool WindowResized();
 };
 
-extern CocoaSubdriver *_cocoa_subdriver;
-
-CocoaSubdriver *QZ_CreateWindowQuartzSubdriver(int width, int height, int bpp);
+extern WindowQuartzSubdriver *_cocoa_subdriver;
 
 uint QZ_ListModes(OTTD_Point *modes, uint max_modes, CGDirectDisplayID display_id, int display_depth);
 
diff --git a/src/video/cocoa/cocoa_v.mm b/src/video/cocoa/cocoa_v.mm
index f09920fe2..5da0f55e3 100644
--- a/src/video/cocoa/cocoa_v.mm
+++ b/src/video/cocoa/cocoa_v.mm
@@ -56,7 +56,7 @@
 #endif
 
 bool _cocoa_video_started = false;
-CocoaSubdriver *_cocoa_subdriver = NULL;
+WindowQuartzSubdriver *_cocoa_subdriver = NULL;
 
 
 static bool ModeSorter(const OTTD_Point &p1, const OTTD_Point &p2)
@@ -143,32 +143,6 @@ static void QZ_UpdateVideoModes()
 	}
 }
 
-/**
- * Find a suitable cocoa subdriver.
- *
- * @param width Width of display area.
- * @param height Height of display area.
- * @param bpp Colour depth of display area.
- * @param fullscreen Whether a fullscreen mode is requested.
- * @param fallback Whether we look for a fallback driver.
- * @return Pointer to window subdriver.
- */
-static CocoaSubdriver *QZ_CreateSubdriver(int width, int height, int bpp, bool fullscreen, bool fallback)
-{
-	CocoaSubdriver *ret = QZ_CreateWindowQuartzSubdriver(width, height, bpp);
-	if (ret != nullptr && fullscreen) ret->ToggleFullscreen(fullscreen);
-
-	if (ret != nullptr) return ret;
-	if (!fallback) return nullptr;
-
-	/* Try again in 640x480 windowed */
-	DEBUG(driver, 0, "Setting video mode failed, falling back to 640x480 windowed mode.");
-	ret = QZ_CreateWindowQuartzSubdriver(640, 480, bpp);
-	if (ret != nullptr) return ret;
-
-	return nullptr;
-}
-
 
 static FVideoDriver_Cocoa iFVideoDriver_Cocoa;
 
@@ -182,7 +156,7 @@ void VideoDriver_Cocoa::Stop()
 	CocoaExitApplication();
 
 	delete _cocoa_subdriver;
-	_cocoa_subdriver = NULL;
+	_cocoa_subdriver = nullptr;
 
 	_cocoa_video_started = false;
 }
@@ -198,7 +172,7 @@ const char *VideoDriver_Cocoa::Start(const StringList &parm)
 	_cocoa_video_started = true;
 
 	/* Don't create a window or enter fullscreen if we're just going to show a dialog. */
-	if (!CocoaSetupApplication()) return NULL;
+	if (!CocoaSetupApplication()) return nullptr;
 
 	this->UpdateAutoResolution();
 
@@ -212,12 +186,14 @@ const char *VideoDriver_Cocoa::Start(const StringList &parm)
 		return "The cocoa quartz subdriver only supports 8 and 32 bpp.";
 	}
 
-	_cocoa_subdriver = QZ_CreateSubdriver(width, height, bpp, _fullscreen, true);
-	if (_cocoa_subdriver == NULL) {
+	_cocoa_subdriver = new WindowQuartzSubdriver();
+	if (!_cocoa_subdriver->ChangeResolution(width, height, bpp)) {
 		Stop();
 		return "Could not create subdriver";
 	}
 
+	if (_fullscreen) _cocoa_subdriver->ToggleFullscreen(_fullscreen);
+
 	this->GameSizeChanged();
 	QZ_UpdateVideoModes();
 
@@ -340,59 +316,14 @@ class WindowQuartzSubdriver;
 
 /* Subclass of OTTD_CocoaView to fix Quartz rendering */
 @interface OTTD_QuartzView : OTTD_CocoaView
-- (void)setDriver:(WindowQuartzSubdriver*)drv;
+- (void)setDriver:(WindowQuartzSubdriver *)drv;
 - (void)drawRect:(NSRect)invalidRect;
 @end
 
-class WindowQuartzSubdriver : public CocoaSubdriver {
-private:
-	/**
-	 * This function copies 8bpp pixels from the screen buffer in 32bpp windowed mode.
-	 *
-	 * @param left The x coord for the left edge of the box to blit.
-	 * @param top The y coord for the top edge of the box to blit.
-	 * @param right The x coord for the right edge of the box to blit.
-	 * @param bottom The y coord for the bottom edge of the box to blit.
-	 */
-	void BlitIndexedToView32(int left, int top, int right, int bottom);
-
-	virtual void GetDeviceInfo();
-	virtual bool SetVideoMode(int width, int height, int bpp);
-
-public:
-	WindowQuartzSubdriver();
-	virtual ~WindowQuartzSubdriver();
-
-	virtual void Draw(bool force_update);
-	virtual void MakeDirty(int left, int top, int width, int height);
-	virtual void UpdatePalette(uint first_color, uint num_colors);
-
-	virtual uint ListModes(OTTD_Point *modes, uint max_modes);
-
-	virtual bool ChangeResolution(int w, int h, int bpp);
-
-	virtual bool IsFullscreen();
-	virtual bool ToggleFullscreen(bool fullscreen); /* Full screen mode on OSX 10.7 */
-
-	virtual int GetWidth() { return window_width; }
-	virtual int GetHeight() { return window_height; }
-	virtual void *GetPixelBuffer() { return buffer_depth == 8 ? pixel_buffer : window_buffer; }
-
-	/* Convert local coordinate to window server (CoreGraphics) coordinate */
-	virtual CGPoint PrivateLocalToCG(NSPoint *p);
-
-	virtual NSPoint GetMouseLocation(NSEvent *event);
-	virtual bool MouseIsInsideView(NSPoint *pt);
-
-	virtual bool IsActive() { return active; }
-
-	bool WindowResized();
-};
-
 
 @implementation OTTD_QuartzView
 
-- (void)setDriver:(WindowQuartzSubdriver*)drv
+- (void)setDriver:(WindowQuartzSubdriver *)drv
 {
 	driver = drv;
 }
@@ -850,17 +781,4 @@ bool WindowQuartzSubdriver::WindowResized()
 	return true;
 }
 
-
-CocoaSubdriver *QZ_CreateWindowQuartzSubdriver(int width, int height, int bpp)
-{
-	WindowQuartzSubdriver *ret = new WindowQuartzSubdriver();
-
-	if (!ret->ChangeResolution(width, height, bpp)) {
-		delete ret;
-		return NULL;
-	}
-
-	return ret;
-}
-
 #endif /* WITH_COCOA */
diff --git a/src/video/cocoa/cocoa_wnd.h b/src/video/cocoa/cocoa_wnd.h
index f2890ec0f..837532e9e 100644
--- a/src/video/cocoa/cocoa_wnd.h
+++ b/src/video/cocoa/cocoa_wnd.h
@@ -12,7 +12,7 @@
 
 #import <Cocoa/Cocoa.h>
 
-class CocoaSubdriver;
+class WindowQuartzSubdriver;
 
 extern NSString *OTTDMainLaunchGameEngine;
 
@@ -23,10 +23,10 @@ extern NSString *OTTDMainLaunchGameEngine;
 
 /** Subclass of NSWindow to cater our special needs */
 @interface OTTD_CocoaWindow : NSWindow {
-	CocoaSubdriver *driver;
+	WindowQuartzSubdriver *driver;
 }
 
-- (void)setDriver:(CocoaSubdriver*)drv;
+- (void)setDriver:(WindowQuartzSubdriver *)drv;
 
 - (void)miniaturize:(id)sender;
 - (void)display;
@@ -39,10 +39,10 @@ extern NSString *OTTDMainLaunchGameEngine;
 /** Subclass of NSView to fix Quartz rendering and mouse awareness */
 @interface OTTD_CocoaView : NSView <NSTextInputClient>
 {
-	CocoaSubdriver *driver;
+	WindowQuartzSubdriver *driver;
 	NSTrackingRectTag trackingtag;
 }
-- (void)setDriver:(CocoaSubdriver*)drv;
+- (void)setDriver:(WindowQuartzSubdriver *)drv;
 - (void)drawRect:(NSRect)rect;
 - (BOOL)isOpaque;
 - (BOOL)acceptsFirstResponder;
@@ -59,10 +59,10 @@ extern NSString *OTTDMainLaunchGameEngine;
 /** Delegate for our NSWindow to send ask for quit on close */
 @interface OTTD_CocoaWindowDelegate : NSObject <NSWindowDelegate>
 {
-	CocoaSubdriver *driver;
+	WindowQuartzSubdriver *driver;
 }
 
-- (void)setDriver:(CocoaSubdriver*)drv;
+- (void)setDriver:(WindowQuartzSubdriver *)drv;
 
 - (BOOL)windowShouldClose:(id)sender;
 - (void)windowDidEnterFullScreen:(NSNotification *)aNotification;
diff --git a/src/video/cocoa/cocoa_wnd.mm b/src/video/cocoa/cocoa_wnd.mm
index 8c16dd1ef..256565b2b 100644
--- a/src/video/cocoa/cocoa_wnd.mm
+++ b/src/video/cocoa/cocoa_wnd.mm
@@ -282,7 +282,7 @@ void CocoaDialog(const char *title, const char *message, const char *buttonLabel
 
 @implementation OTTD_CocoaWindow
 
-- (void)setDriver:(CocoaSubdriver*)drv
+- (void)setDriver:(WindowQuartzSubdriver *)drv
 {
 	driver = drv;
 }
@@ -404,7 +404,7 @@ static const char *Utf8AdvanceByUtf16Units(const char *str, NSUInteger count)
 /**
  * Initialize the driver
  */
-- (void)setDriver:(CocoaSubdriver*)drv
+- (void)setDriver:(WindowQuartzSubdriver *)drv
 {
 	driver = drv;
 }
@@ -810,7 +810,7 @@ static const char *Utf8AdvanceByUtf16Units(const char *str, NSUInteger count)
 
 @implementation OTTD_CocoaWindowDelegate
 /** Initialize the video driver */
-- (void)setDriver:(CocoaSubdriver*)drv
+- (void)setDriver:(WindowQuartzSubdriver *)drv
 {
 	driver = drv;
 }