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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file cocoa_v.mm Code related to the cocoa video driver(s). */
/******************************************************************************
* Cocoa video driver *
* Known things left to do: *
* Nothing at the moment. *
******************************************************************************/
#ifdef WITH_COCOA
#include "../../stdafx.h"
#include "../../os/macosx/macos.h"
#define Rect OTTDRect
#define Point OTTDPoint
#import <Cocoa/Cocoa.h>
#undef Rect
#undef Point
#include "../../openttd.h"
#include "../../debug.h"
#include "../../core/geometry_type.hpp"
#include "cocoa_v.h"
#include "../../blitter/factory.hpp"
#include "../../fileio_func.h"
#include "../../gfx_func.h"
#include "../../window_func.h"
#include "../../window_gui.h"
#import <sys/param.h> /* for MAXPATHLEN */
/**
* Important notice regarding all modifications!!!!!!!
* There are certain limitations because the file is objective C++.
* gdb has limitations.
* C++ and objective C code can't be joined in all cases (classes stuff).
* Read http://developer.apple.com/releasenotes/Cocoa/Objective-C++.html for more information.
*/
@interface OTTDMain : NSObject
@end
static NSAutoreleasePool *_ottd_autorelease_pool;
static OTTDMain *_ottd_main;
static bool _cocoa_video_started = false;
static bool _cocoa_video_dialog = false;
CocoaSubdriver *_cocoa_subdriver = NULL;
static const NSString *OTTDMainLaunchGameEngine = @"ottdmain_launch_game_engine";
/**
* The main class of the application, the application's delegate.
*/
@implementation OTTDMain
/**
* Stop the game engine. Must be called on main thread.
*/
- (void)stopEngine
{
[ NSApp stop:self ];
/* Send an empty event to return from the run loop. Without that, application is stuck waiting for an event. */
NSEvent *event = [ NSEvent otherEventWithType:NSApplicationDefined location:NSMakePoint(0, 0) modifierFlags:0 timestamp:0.0 windowNumber:0 context:nil subtype:0 data1:0 data2:0 ];
[ NSApp postEvent:event atStart:YES ];
}
/**
* Start the game loop.
*/
- (void)launchGameEngine: (NSNotification*) note
{
/* Setup cursor for the current _game_mode. */
[ _cocoa_subdriver->cocoaview resetCursorRects ];
/* Hand off to main application code. */
QZ_GameLoop();
/* We are done, thank you for playing. */
[ self performSelectorOnMainThread:@selector(stopEngine) withObject:nil waitUntilDone:FALSE ];
}
/**
* Called when the internal event loop has just started running.
*/
- (void) applicationDidFinishLaunching: (NSNotification*) note
{
/* Add a notification observer so we can restart the game loop later on if necessary. */
[ [ NSNotificationCenter defaultCenter ] addObserver:self selector:@selector(launchGameEngine:) name:OTTDMainLaunchGameEngine object:nil ];
/* Start game loop. */
[ [ NSNotificationCenter defaultCenter ] postNotificationName:OTTDMainLaunchGameEngine object:nil ];
}
/**
* Display the in game quit confirmation dialog.
*/
- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication*) sender
{
HandleExitGameRequest();
return NSTerminateCancel; // NSTerminateLater ?
}
/**
* Remove ourself as a notification observer.
*/
- (void)unregisterObserver
{
[ [ NSNotificationCenter defaultCenter ] removeObserver:self ];
}
@end
/**
* Initialize the application menu shown in top bar.
*/
static void setApplicationMenu()
{
NSString *appName = @"OpenTTD";
NSMenu *appleMenu = [ [ NSMenu alloc ] initWithTitle:appName ];
/* Add menu items */
NSString *title = [ @"About " stringByAppendingString:appName ];
[ appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@"" ];
[ appleMenu addItem:[ NSMenuItem separatorItem ] ];
title = [ @"Hide " stringByAppendingString:appName ];
[ appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h" ];
NSMenuItem *menuItem = [ appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h" ];
[ menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask | NSCommandKeyMask) ];
[ appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@"" ];
[ appleMenu addItem:[ NSMenuItem separatorItem ] ];
title = [ @"Quit " stringByAppendingString:appName ];
[ appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q" ];
/* Put menu into the menubar */
menuItem = [ [ NSMenuItem alloc ] initWithTitle:@"" action:nil keyEquivalent:@"" ];
[ menuItem setSubmenu:appleMenu ];
[ [ NSApp mainMenu ] addItem:menuItem ];
/* Tell the application object that this is now the application menu.
* This interesting Objective-C construct is used because not all SDK
* versions define this method publicly. */
[ NSApp performSelector:@selector(setAppleMenu:) withObject:appleMenu ];
/* Finally give up our references to the objects */
[ appleMenu release ];
[ menuItem release ];
}
/**
* Create a window menu.
*/
static void setupWindowMenu()
{
NSMenu *windowMenu = [ [ NSMenu alloc ] initWithTitle:@"Window" ];
/* "Minimize" item */
[ windowMenu addItemWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m" ];
/* Put menu into the menubar */
NSMenuItem *menuItem = [ [ NSMenuItem alloc ] initWithTitle:@"Window" action:nil keyEquivalent:@"" ];
[ menuItem setSubmenu:windowMenu ];
[ [ NSApp mainMenu ] addItem:menuItem ];
if (MacOSVersionIsAtLeast(10, 7, 0)) {
/* The OS will change the name of this menu item automatically */
[ windowMenu addItemWithTitle:@"Fullscreen" action:@selector(toggleFullScreen:) keyEquivalent:@"^f" ];
}
/* Tell the application object that this is now the window menu */
[ NSApp setWindowsMenu:windowMenu ];
/* Finally give up our references to the objects */
[ windowMenu release ];
[ menuItem release ];
}
/**
* Startup the application.
*/
static void setupApplication()
{
ProcessSerialNumber psn = { 0, kCurrentProcess };
/* Ensure the application object is initialised */
[ NSApplication sharedApplication ];
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
/* Tell the dock about us */
if (MacOSVersionIsAtLeast(10, 3, 0)) {
OSStatus returnCode = TransformProcessType(&psn, kProcessTransformToForegroundApplication);
if (returnCode != 0) DEBUG(driver, 0, "Could not change to foreground application. Error %d", (int)returnCode);
}
#endif
/* Become the front process, important when start from the command line. */
OSErr err = SetFrontProcess(&psn);
if (err != 0) DEBUG(driver, 0, "Could not bring the application to front. Error %d", (int)err);
/* Set up the menubar */
[ NSApp setMainMenu:[ [ NSMenu alloc ] init ] ];
setApplicationMenu();
setupWindowMenu();
/* Create OTTDMain and make it the app delegate */
_ottd_main = [ [ OTTDMain alloc ] init ];
[ NSApp setDelegate:_ottd_main ];
}
/**
* Update the video modus.
*
* @pre _cocoa_subdriver != NULL
*/
static void QZ_UpdateVideoModes()
{
assert(_cocoa_subdriver != NULL);
OTTD_Point modes[32];
uint count = _cocoa_subdriver->ListModes(modes, lengthof(modes));
for (uint i = 0; i < count; i++) {
_resolutions[i].width = modes[i].x;
_resolutions[i].height = modes[i].y;
}
_num_resolutions = count;
}
/**
* Handle a change of the display area.
*/
void QZ_GameSizeChanged()
{
if (_cocoa_subdriver == NULL) return;
/* Tell the game that the resolution has changed */
_screen.width = _cocoa_subdriver->GetWidth();
_screen.height = _cocoa_subdriver->GetHeight();
_screen.pitch = _cocoa_subdriver->GetWidth();
_screen.dst_ptr = _cocoa_subdriver->GetPixelBuffer();
_fullscreen = _cocoa_subdriver->IsFullscreen();
BlitterFactoryBase::GetCurrentBlitter()->PostResize();
GameSizeChanged();
}
/**
* Find a suitable cocoa window subdriver.
*
* @param width Width of display area.
* @param height Height of display area.
* @param bpp Colour depth of display area.
* @return Pointer to window subdriver.
*/
static CocoaSubdriver *QZ_CreateWindowSubdriver(int width, int height, int bpp)
{
#if defined(ENABLE_COCOA_QUARTZ) || defined(ENABLE_COCOA_QUICKDRAW)
CocoaSubdriver *ret;
#endif
#if defined(ENABLE_COCOA_QUARTZ) && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
/* The reason for the version mismatch is due to the fact that the 10.4 binary needs to work on 10.5 as well. */
if (MacOSVersionIsAtLeast(10, 5, 0)) {
ret = QZ_CreateWindowQuartzSubdriver(width, height, bpp);
if (ret != NULL) return ret;
}
#endif
#ifdef ENABLE_COCOA_QUICKDRAW
ret = QZ_CreateWindowQuickdrawSubdriver(width, height, bpp);
if (ret != NULL) return ret;
#endif
#if defined(ENABLE_COCOA_QUARTZ) && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
/*
* If we get here we are running 10.4 or earlier and either openttd was compiled without the QuickDraw driver
* or it failed to load for some reason. Fall back to Quartz if possible even though that driver is slower.
*/
if (MacOSVersionIsAtLeast(10, 4, 0)) {
ret = QZ_CreateWindowQuartzSubdriver(width, height, bpp);
if (ret != NULL) return ret;
}
#endif
return NULL;
}
/**
* 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 = NULL;
/* OSX 10.7 allows to toggle fullscreen mode differently */
if (MacOSVersionIsAtLeast(10, 7, 0)) {
ret = QZ_CreateWindowSubdriver(width, height, bpp);
} else {
ret = fullscreen ? QZ_CreateFullscreenSubdriver(width, height, bpp) : QZ_CreateWindowSubdriver(width, height, bpp);
}
if (ret != NULL) {
/* We cannot set any fullscreen mode on OSX 10.7 when not compiled against SDK 10.7 */
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
if (fullscreen) { ret->ToggleFullscreen(); }
#endif
return ret;
}
if (!fallback) return NULL;
/* Try again in 640x480 windowed */
DEBUG(driver, 0, "Setting video mode failed, falling back to 640x480 windowed mode.");
ret = QZ_CreateWindowSubdriver(640, 480, bpp);
if (ret != NULL) return ret;
#ifdef _DEBUG
/* This Fullscreen mode crashes on OSX 10.7 */
if (!MacOSVersionIsAtLeast(10, 7, 0)) {
/* Try fullscreen too when in debug mode */
DEBUG(driver, 0, "Setting video mode failed, falling back to 640x480 fullscreen mode.");
ret = QZ_CreateFullscreenSubdriver(640, 480, bpp);
if (ret != NULL) return ret;
}
#endif
return NULL;
}
static FVideoDriver_Cocoa iFVideoDriver_Cocoa;
/**
* Stop the cocoa video subdriver.
*/
void VideoDriver_Cocoa::Stop()
{
if (!_cocoa_video_started) return;
[ _ottd_main unregisterObserver ];
delete _cocoa_subdriver;
_cocoa_subdriver = NULL;
[ _ottd_main release ];
_cocoa_video_started = false;
}
/**
* Initialize a cocoa video subdriver.
*/
const char *VideoDriver_Cocoa::Start(const char * const *parm)
{
if (!MacOSVersionIsAtLeast(10, 3, 0)) return "The Cocoa video driver requires Mac OS X 10.3 or later.";
if (_cocoa_video_started) return "Already started";
_cocoa_video_started = true;
setupApplication();
/* Don't create a window or enter fullscreen if we're just going to show a dialog. */
if (_cocoa_video_dialog) return NULL;
int width = _cur_resolution.width;
int height = _cur_resolution.height;
int bpp = BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth();
_cocoa_subdriver = QZ_CreateSubdriver(width, height, bpp, _fullscreen, true);
if (_cocoa_subdriver == NULL) {
Stop();
return "Could not create subdriver";
}
QZ_GameSizeChanged();
QZ_UpdateVideoModes();
return NULL;
}
/**
* Set dirty a rectangle managed by a cocoa video subdriver.
*
* @param left Left x cooordinate of the dirty rectangle.
* @param top Uppder y coordinate of the dirty rectangle.
* @param width Width of the dirty rectangle.
* @param height Height of the dirty rectangle.
*/
void VideoDriver_Cocoa::MakeDirty(int left, int top, int width, int height)
{
assert(_cocoa_subdriver != NULL);
_cocoa_subdriver->MakeDirty(left, top, width, height);
}
/**
* Start the main programme loop when using a cocoa video driver.
*/
void VideoDriver_Cocoa::MainLoop()
{
/* Restart game loop if it was already running (e.g. after bootstrapping),
* otherwise this call is a no-op. */
[ [ NSNotificationCenter defaultCenter ] postNotificationName:OTTDMainLaunchGameEngine object:nil ];
/* Start the main event loop. */
[ NSApp run ];
}
/**
* Change the resolution when using a cocoa video driver.
*
* @param w New window width.
* @param h New window height.
* @return Whether the video driver was successfully updated.
*/
bool VideoDriver_Cocoa::ChangeResolution(int w, int h)
{
assert(_cocoa_subdriver != NULL);
bool ret = _cocoa_subdriver->ChangeResolution(w, h, BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth());
QZ_GameSizeChanged();
QZ_UpdateVideoModes();
return ret;
}
/**
* Toggle between windowed and full screen mode for cocoa display driver.
*
* @param full_screen Whether to switch to full screen or not.
* @return Whether the mode switch was successful.
*/
bool VideoDriver_Cocoa::ToggleFullscreen(bool full_screen)
{
assert(_cocoa_subdriver != NULL);
/* For 10.7 and later, we try to toggle using the quartz subdriver. */
if (_cocoa_subdriver->ToggleFullscreen()) return true;
bool oldfs = _cocoa_subdriver->IsFullscreen();
if (full_screen != oldfs) {
int width = _cocoa_subdriver->GetWidth();
int height = _cocoa_subdriver->GetHeight();
int bpp = BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth();
delete _cocoa_subdriver;
_cocoa_subdriver = NULL;
_cocoa_subdriver = QZ_CreateSubdriver(width, height, bpp, full_screen, false);
if (_cocoa_subdriver == NULL) {
_cocoa_subdriver = QZ_CreateSubdriver(width, height, bpp, oldfs, true);
if (_cocoa_subdriver == NULL) error("Cocoa: Failed to create subdriver");
}
}
QZ_GameSizeChanged();
QZ_UpdateVideoModes();
return _cocoa_subdriver->IsFullscreen() == full_screen;
}
/**
* Callback invoked after the blitter was changed.
*
* @return True if no error.
*/
bool VideoDriver_Cocoa::AfterBlitterChange()
{
return this->ChangeResolution(_screen.width, _screen.height);
}
/**
* An edit box lost the input focus. Abort character compositing if necessary.
*/
void VideoDriver_Cocoa::EditBoxLostFocus()
{
if (_cocoa_subdriver != NULL) {
if ([ _cocoa_subdriver->cocoaview respondsToSelector:@selector(inputContext) ]) {
[ [ _cocoa_subdriver->cocoaview performSelector:@selector(inputContext) ] performSelector:@selector(discardMarkedText) ];
} else {
[ [ NSInputManager currentInputManager ] markedTextAbandoned:_cocoa_subdriver->cocoaview ];
}
}
}
/**
* Catch asserts prior to initialization of the videodriver.
*
* @param title Window title.
* @param message Message text.
* @param buttonLabel Button text.
*
* @note This is needed since sometimes assert is called before the videodriver is initialized .
*/
void CocoaDialog(const char *title, const char *message, const char *buttonLabel)
{
_cocoa_video_dialog = true;
bool wasstarted = _cocoa_video_started;
if (_video_driver == NULL) {
setupApplication(); // Setup application before showing dialog
} else if (!_cocoa_video_started && _video_driver->Start(NULL) != NULL) {
fprintf(stderr, "%s: %s\n", title, message);
return;
}
NSRunAlertPanel([ NSString stringWithUTF8String:title ], [ NSString stringWithUTF8String:message ], [ NSString stringWithUTF8String:buttonLabel ], nil, nil);
if (!wasstarted && _video_driver != NULL) _video_driver->Stop();
_cocoa_video_dialog = false;
}
/** Set the application's bundle directory.
*
* This is needed since OS X application bundles do not have a
* current directory and the data files are 'somewhere' in the bundle.
*/
void cocoaSetApplicationBundleDir()
{
char tmp[MAXPATHLEN];
CFURLRef url = CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
if (CFURLGetFileSystemRepresentation(url, true, (unsigned char*)tmp, MAXPATHLEN)) {
AppendPathSeparator(tmp, lengthof(tmp));
_searchpaths[SP_APPLICATION_BUNDLE_DIR] = strdup(tmp);
} else {
_searchpaths[SP_APPLICATION_BUNDLE_DIR] = NULL;
}
CFRelease(url);
}
/**
* Setup autorelease for the application pool.
*
* These are called from main() to prevent a _NSAutoreleaseNoPool error when
* exiting before the cocoa video driver has been loaded
*/
void cocoaSetupAutoreleasePool()
{
_ottd_autorelease_pool = [ [ NSAutoreleasePool alloc ] init ];
}
/**
* Autorelease the application pool.
*/
void cocoaReleaseAutoreleasePool()
{
[ _ottd_autorelease_pool release ];
}
/**
* Re-implement the system cursor in order to allow hiding and showing it nicely
*/
@implementation NSCursor (OTTD_CocoaCursor)
+ (NSCursor *) clearCocoaCursor
{
/* RAW 16x16 transparent GIF */
unsigned char clearGIFBytes[] = {
0x47, 0x49, 0x46, 0x38, 0x37, 0x61, 0x10, 0x00, 0x10, 0x00, 0x80, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0xF9, 0x04, 0x01, 0x00,
0x00, 0x01, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00,
0x00, 0x02, 0x0E, 0x8C, 0x8F, 0xA9, 0xCB, 0xED, 0x0F, 0xA3, 0x9C, 0xB4,
0xDA, 0x8B, 0xB3, 0x3E, 0x05, 0x00, 0x3B};
NSData *clearGIFData = [ NSData dataWithBytesNoCopy:&clearGIFBytes[0] length:55 freeWhenDone:NO ];
NSImage *clearImg = [ [ NSImage alloc ] initWithData:clearGIFData ];
return [ [ NSCursor alloc ] initWithImage:clearImg hotSpot:NSMakePoint(0.0,0.0) ];
}
@end
@implementation OTTD_CocoaWindow
- (void)setDriver:(CocoaSubdriver*)drv
{
driver = drv;
}
/**
* Minimize the window
*/
- (void)miniaturize:(id)sender
{
/* make the alpha channel opaque so anim won't have holes in it */
driver->SetPortAlphaOpaque();
/* window is hidden now */
driver->active = false;
[ super miniaturize:sender ];
}
/**
* This method fires just before the window deminaturizes from the Dock.
* We'll save the current visible surface, let the window manager redraw any
* UI elements, and restore the surface. This way, no expose event
* is required, and the deminiaturize works perfectly.
*/
- (void)display
{
driver->SetPortAlphaOpaque();
/* save current visible surface */
[ self cacheImageInRect:[ driver->cocoaview frame ] ];
/* let the window manager redraw controls, border, etc */
[ super display ];
/* restore visible surface */
[ self restoreCachedImage ];
/* window is visible again */
driver->active = true;
}
/**
* Define the rectangle we draw our window in
*/
- (void)setFrame:(NSRect)frameRect display:(BOOL)flag
{
[ super setFrame:frameRect display:flag ];
/* Don't do anything if the window is currently being created */
if (driver->setup) return;
if (!driver->WindowResized()) error("Cocoa: Failed to resize window.");
}
/**
* Handle hiding of the application
*/
- (void)appDidHide:(NSNotification*)note
{
driver->active = false;
}
/**
* Fade-in the application and restore display plane
*/
- (void)appWillUnhide:(NSNotification*)note
{
driver->SetPortAlphaOpaque ();
}
/**
* Unhide and restore display plane and re-activate driver
*/
- (void)appDidUnhide:(NSNotification*)note
{
driver->active = true;
}
/**
* Initialize event system for the application rectangle
*/
- (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)styleMask backing:(NSBackingStoreType)backingType defer:(BOOL)flag
{
/* Make our window subclass receive these application notifications */
[ [ NSNotificationCenter defaultCenter ] addObserver:self
selector:@selector(appDidHide:) name:NSApplicationDidHideNotification object:NSApp ];
[ [ NSNotificationCenter defaultCenter ] addObserver:self
selector:@selector(appDidUnhide:) name:NSApplicationDidUnhideNotification object:NSApp ];
[ [ NSNotificationCenter defaultCenter ] addObserver:self
selector:@selector(appWillUnhide:) name:NSApplicationWillUnhideNotification object:NSApp ];
return [ super initWithContentRect:contentRect styleMask:styleMask backing:backingType defer:flag ];
}
@end
/**
* Count the number of UTF-16 code points in a range of an UTF-8 string.
* @param from Start of the range.
* @param to End of the range.
* @return Number of UTF-16 code points in the range.
*/
static NSUInteger CountUtf16Units(const char *from, const char *to)
{
NSUInteger i = 0;
while (from < to) {
WChar c;
size_t len = Utf8Decode(&c, from);
i += len < 4 ? 1 : 2; // Watch for surrogate pairs.
from += len;
}
return i;
}
/**
* Advance an UTF-8 string by a number of equivalent UTF-16 code points.
* @param str UTF-8 string.
* @param count Number of UTF-16 code points to advance the string by.
* @return Advanced string pointer.
*/
static const char *Utf8AdvanceByUtf16Units(const char *str, NSUInteger count)
{
for (NSUInteger i = 0; i < count && *str != '\0'; ) {
WChar c;
size_t len = Utf8Decode(&c, str);
i += len < 4 ? 1 : 2; // Watch for surrogates.
str += len;
}
return str;
}
@implementation OTTD_CocoaView
/**
* Initialize the driver
*/
- (void)setDriver:(CocoaSubdriver*)drv
{
driver = drv;
}
/**
* Define the opaqueness of the window / screen
* @return opaqueness of window / screen
*/
- (BOOL)isOpaque
{
return YES;
}
/**
* Draws a rectangle on the screen.
* It's overwritten by the individual drivers but must be defined
*/
- (void)drawRect:(NSRect)invalidRect
{
return;
}
/**
* Allow to handle events
*/
- (BOOL)acceptsFirstResponder
{
return YES;
}
/**
* Actually handle events
*/
- (BOOL)becomeFirstResponder
{
return YES;
}
/**
* Define the rectangle where we draw our application window
*/
- (void)setTrackingRect
{
NSPoint loc = [ self convertPoint:[ [ self window ] mouseLocationOutsideOfEventStream ] fromView:nil ];
BOOL inside = ([ self hitTest:loc ]==self);
if (inside) [ [ self window ] makeFirstResponder:self ];
trackingtag = [ self addTrackingRect:[ self visibleRect ] owner:self userData:nil assumeInside:inside ];
}
/**
* Return responsibility for the application window to system
*/
- (void)clearTrackingRect
{
[ self removeTrackingRect:trackingtag ];
}
/**
* Declare responsibility for the cursor within our application rect
*/
- (void)resetCursorRects
{
[ super resetCursorRects ];
[ self clearTrackingRect ];
[ self setTrackingRect ];
[ self addCursorRect:[ self bounds ] cursor:(_game_mode == GM_BOOTSTRAP ? [ NSCursor arrowCursor ] : [ NSCursor clearCocoaCursor ]) ];
}
/**
* Prepare for moving the application window
*/
- (void)viewWillMoveToWindow:(NSWindow *)win
{
if (!win && [ self window ]) [ self clearTrackingRect ];
}
/**
* Restore our responsibility for our application window after moving
*/
- (void)viewDidMoveToWindow
{
if ([ self window ]) [ self setTrackingRect ];
}
/**
* Make OpenTTD aware that it has control over the mouse
*/
- (void)mouseEntered:(NSEvent *)theEvent
{
_cursor.in_window = true;
}
/**
* Make OpenTTD aware that it has NOT control over the mouse
*/
- (void)mouseExited:(NSEvent *)theEvent
{
if (_cocoa_subdriver != NULL) UndrawMouseCursor();
_cursor.in_window = false;
}
/** Insert the given text at the caret. */
- (void)insertText:(id)aString
{
NSString *s = [ aString isKindOfClass:[ NSAttributedString class ] ] ? [ aString string ] : (NSString *)aString;
HandleTextInput(NULL, true);
HandleTextInput([ s UTF8String ]);
}
/** Set a new marked text and reposition the caret. */
- (void)setMarkedText:(id)aString selectedRange:(NSRange)selRange
{
NSString *s = [ aString isKindOfClass:[ NSAttributedString class ] ] ? [ aString string ] : (NSString *)aString;
const char *utf8 = [ s UTF8String ];
if (utf8 != NULL) {
/* Convert caret index into a pointer in the UTF-8 string. */
const char *selection = Utf8AdvanceByUtf16Units(utf8, selRange.location);
HandleTextInput(utf8, true, selection);
}
}
/** Unmark the current marked text. */
- (void)unmarkText
{
HandleTextInput(NULL, true);
}
/** Get the caret position. */
- (NSRange)selectedRange
{
if (!EditBoxInGlobalFocus()) return NSMakeRange(NSNotFound, 0);
NSUInteger start = CountUtf16Units(_focused_window->GetFocusedText(), _focused_window->GetCaret());
return NSMakeRange(start, 0);
}
/** Get the currently marked range. */
- (NSRange)markedRange
{
if (!EditBoxInGlobalFocus()) return NSMakeRange(NSNotFound, 0);
size_t mark_len;
const char *mark = _focused_window->GetMarkedText(&mark_len);
if (mark != NULL) {
NSUInteger start = CountUtf16Units(_focused_window->GetFocusedText(), mark);
NSUInteger len = CountUtf16Units(mark, mark + mark_len);
return NSMakeRange(start, len);
}
return NSMakeRange(NSNotFound, 0);
}
/** Is any text marked? */
- (BOOL)hasMarkedText
{
if (!EditBoxInGlobalFocus()) return NO;
size_t len;
return _focused_window->GetMarkedText(&len) != NULL;
}
/** Get a string corresponding to the given range. */
- (NSAttributedString *)attributedSubstringFromRange:(NSRange)theRange
{
if (!EditBoxInGlobalFocus()) return nil;
NSString *s = [ NSString stringWithUTF8String:_focused_window->GetFocusedText() ];
NSRange valid_range = NSIntersectionRange(NSMakeRange(0, [ s length ]), theRange);
if (valid_range.length == 0) return nil;
return [ [ [ NSAttributedString alloc ] initWithString:[ s substringWithRange:valid_range ] ] autorelease ];
}
/** Get the character that is rendered at the given point. */
- (NSUInteger)characterIndexForPoint:(NSPoint)thePoint
{
if (!EditBoxInGlobalFocus()) return NSNotFound;
NSPoint view_pt = [ self convertPoint:[ [ self window ] convertScreenToBase:thePoint ] fromView:nil ];
Point pt = { view_pt.x, [ self frame ].size.height - view_pt.y };
const char *ch = _focused_window->GetTextCharacterAtPosition(pt);
if (ch == NULL) return NSNotFound;
return CountUtf16Units(_focused_window->GetFocusedText(), ch);
}
/** Get the bounding rect for the given range. */
- (NSRect)firstRectForCharacterRange:(NSRange)aRange
{
if (!EditBoxInGlobalFocus()) return NSMakeRect(0, 0, 0, 0);
/* Convert range to UTF-8 string pointers. */
const char *start = Utf8AdvanceByUtf16Units(_focused_window->GetFocusedText(), aRange.location);
const char *end = aRange.length != 0 ? Utf8AdvanceByUtf16Units(_focused_window->GetFocusedText(), aRange.location + aRange.length) : start;
/* Get the bounding rect for the text range.*/
Rect r = _focused_window->GetTextBoundingRect(start, end);
NSRect view_rect = NSMakeRect(_focused_window->left + r.left, [ self frame ].size.height - _focused_window->top - r.bottom, r.right - r.left, r.bottom - r.top);
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
if ([ [ self window ] respondsToSelector:@selector(convertRectToScreen:) ]) {
return [ [ self window ] convertRectToScreen:[ self convertRect:view_rect toView:nil ] ];
}
#endif
NSRect window_rect = [ self convertRect:view_rect toView:nil ];
NSPoint origin = [ [ self window ] convertBaseToScreen:window_rect.origin ];
return NSMakeRect(origin.x, origin.y, window_rect.size.width, window_rect.size.height);
}
/** Get all string attributes that we can process for marked text. */
- (NSArray*)validAttributesForMarkedText
{
return [ NSArray array ];
}
/** Identifier for this text input instance. */
#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5
- (long)conversationIdentifier
#else
- (NSInteger)conversationIdentifier
#endif
{
return 0;
}
/** Invoke the selector if we implement it. */
- (void)doCommandBySelector:(SEL)aSelector
{
if ([ self respondsToSelector:aSelector ]) [ self performSelector:aSelector ];
}
@end
@implementation OTTD_CocoaWindowDelegate
/** Initialize the video driver */
- (void)setDriver:(CocoaSubdriver*)drv
{
driver = drv;
}
/** Handle closure requests */
- (BOOL)windowShouldClose:(id)sender
{
HandleExitGameRequest();
return NO;
}
/** Handle key acceptance */
- (void)windowDidBecomeKey:(NSNotification*)aNotification
{
driver->active = true;
}
/** Resign key acceptance */
- (void)windowDidResignKey:(NSNotification*)aNotification
{
driver->active = false;
}
/** Handle becoming main window */
- (void)windowDidBecomeMain:(NSNotification*)aNotification
{
driver->active = true;
}
/** Resign being main window */
- (void)windowDidResignMain:(NSNotification*)aNotification
{
driver->active = false;
}
/** Window entered fullscreen mode (10.7). */
- (void)windowDidEnterFullScreen:(NSNotification *)aNotification
{
NSPoint loc = [ driver->cocoaview convertPoint:[ [ aNotification object ] mouseLocationOutsideOfEventStream ] fromView:nil ];
BOOL inside = ([ driver->cocoaview hitTest:loc ] == driver->cocoaview);
if (inside) [ driver->cocoaview mouseEntered:NULL ];
}
@end
#endif /* WITH_COCOA */
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