This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_uikitview.m
439 lines (362 loc) · 11.6 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/*
Simple DirectMedia Layer
Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#import "SDL_uikitview.h"
#include "../../events/SDL_keyboard_c.h"
#include "../../events/SDL_mouse_c.h"
#include "../../events/SDL_touch_c.h"
#if SDL_IPHONE_KEYBOARD
#import "keyinfotable.h"
#import "SDL_uikitappdelegate.h"
#import "SDL_uikitwindow.h"
#endif
@implementation SDL_uikitview
36
37
- (void)dealloc
{
38
39
40
[super dealloc];
}
41
42
- (id)initWithFrame:(CGRect)frame
{
43
self = [super initWithFrame: frame];
44
45
46
#if SDL_IPHONE_KEYBOARD
[self initializeKeyboard];
47
#endif
48
49
50
51
52
53
54
55
56
#ifdef FIXED_MULTITOUCH
self.multipleTouchEnabled = YES;
SDL_Touch touch;
touch.id = 0; //TODO: Should be -1?
//touch.driverdata = SDL_malloc(sizeof(EventTouchData));
//EventTouchData* data = (EventTouchData*)(touch.driverdata);
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
touch.x_min = 0;
touch.x_max = frame.size.width;
touch.native_xres = touch.x_max - touch.x_min;
touch.y_min = 0;
touch.y_max = frame.size.height;
touch.native_yres = touch.y_max - touch.y_min;
touch.pressure_min = 0;
touch.pressure_max = 1;
touch.native_pressureres = touch.pressure_max - touch.pressure_min;
touchId = SDL_AddTouch(&touch, "IPHONE SCREEN");
#endif
return self;
}
76
77
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
78
79
80
81
82
NSEnumerator *enumerator = [touches objectEnumerator];
UITouch *touch = (UITouch*)[enumerator nextObject];
if (touch) {
CGPoint locationInView = [touch locationInView: self];
83
84
85
86
87
88
89
90
91
92
/* send moved event */
SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y);
/* send mouse down event */
SDL_SendMouseButton(NULL, SDL_PRESSED, SDL_BUTTON_LEFT);
}
#ifdef FIXED_MULTITOUCH
while(touch) {
93
CGPoint locationInView = [touch locationInView: self];
94
95
#ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS
96
97
98
99
100
101
//FIXME: TODO: Using touch as the fingerId is potentially dangerous
//It is also much more efficient than storing the UITouch pointer
//and comparing it to the incoming event.
SDL_SendFingerDown(touchId, (long)touch,
SDL_TRUE, locationInView.x, locationInView.y,
1);
102
#else
103
104
105
106
107
108
109
110
111
int i;
for(i = 0; i < MAX_SIMULTANEOUS_TOUCHES; i++) {
if (finger[i] == NULL) {
finger[i] = touch;
SDL_SendFingerDown(touchId, i,
SDL_TRUE, locationInView.x, locationInView.y,
1);
break;
}
112
113
114
}
#endif
115
touch = (UITouch*)[enumerator nextObject];
116
117
118
119
}
#endif
}
120
121
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
122
123
NSEnumerator *enumerator = [touches objectEnumerator];
UITouch *touch = (UITouch*)[enumerator nextObject];
124
125
126
127
128
129
130
131
if (touch) {
/* send mouse up */
SDL_SendMouseButton(NULL, SDL_RELEASED, SDL_BUTTON_LEFT);
}
#ifdef FIXED_MULTITOUCH
while(touch) {
132
CGPoint locationInView = [touch locationInView: self];
133
134
#ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS
135
136
137
SDL_SendFingerDown(touchId, (long)touch,
SDL_FALSE, locationInView.x, locationInView.y,
1);
138
#else
139
140
141
142
143
144
145
146
147
int i;
for (i = 0; i < MAX_SIMULTANEOUS_TOUCHES; i++) {
if (finger[i] == touch) {
SDL_SendFingerDown(touchId, i,
SDL_FALSE, locationInView.x, locationInView.y,
1);
finger[i] = NULL;
break;
}
148
149
150
}
#endif
151
touch = (UITouch*)[enumerator nextObject];
152
153
154
155
}
#endif
}
156
157
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
{
158
159
160
161
162
163
164
165
/*
this can happen if the user puts more than 5 touches on the screen
at once, or perhaps in other circumstances. Usually (it seems)
all active touches are canceled.
*/
[self touchesEnded: touches withEvent: event];
}
166
167
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
168
169
NSEnumerator *enumerator = [touches objectEnumerator];
UITouch *touch = (UITouch*)[enumerator nextObject];
170
171
172
173
174
175
176
177
178
179
if (touch) {
CGPoint locationInView = [touch locationInView: self];
/* send moved event */
SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y);
}
#ifdef FIXED_MULTITOUCH
while(touch) {
180
CGPoint locationInView = [touch locationInView: self];
181
182
#ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS
183
184
185
SDL_SendTouchMotion(touchId, (long)touch,
SDL_FALSE, locationInView.x, locationInView.y,
1);
186
#else
187
188
189
190
191
192
193
194
int i;
for (i = 0; i < MAX_SIMULTANEOUS_TOUCHES; i++) {
if (finger[i] == touch) {
SDL_SendTouchMotion(touchId, i,
SDL_FALSE, locationInView.x, locationInView.y,
1);
break;
}
195
196
197
}
#endif
198
touch = (UITouch*)[enumerator nextObject];
199
200
201
202
203
204
205
206
207
208
}
#endif
}
/*
---- Keyboard related functionality below this line ----
*/
#if SDL_IPHONE_KEYBOARD
/* Is the iPhone virtual keyboard visible onscreen? */
209
210
- (BOOL)keyboardVisible
{
211
212
213
214
return keyboardVisible;
}
/* Set ourselves up as a UITextFieldDelegate */
215
216
- (void)initializeKeyboard
{
217
218
219
textField = [[UITextField alloc] initWithFrame: CGRectZero];
textField.delegate = self;
/* placeholder so there is something to delete! */
220
221
textField.text = @" ";
222
223
224
225
226
227
228
/* set UITextInputTrait properties, mostly to defaults */
textField.autocapitalizationType = UITextAutocapitalizationTypeNone;
textField.autocorrectionType = UITextAutocorrectionTypeNo;
textField.enablesReturnKeyAutomatically = NO;
textField.keyboardAppearance = UIKeyboardAppearanceDefault;
textField.keyboardType = UIKeyboardTypeDefault;
textField.returnKeyType = UIReturnKeyDefault;
229
230
textField.secureTextEntry = NO;
231
232
233
234
235
236
237
238
textField.hidden = YES;
keyboardVisible = NO;
/* add the UITextField (hidden) to our view */
[self addSubview: textField];
[textField release];
}
/* reveal onscreen virtual keyboard */
239
240
- (void)showKeyboard
{
241
242
243
244
245
keyboardVisible = YES;
[textField becomeFirstResponder];
}
/* hide onscreen virtual keyboard */
246
247
- (void)hideKeyboard
{
248
249
250
251
252
keyboardVisible = NO;
[textField resignFirstResponder];
}
/* UITextFieldDelegate method. Invoked when user types something. */
253
254
- (BOOL)textField:(UITextField *)_textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
255
256
257
258
259
260
261
262
263
if ([string length] == 0) {
/* it wants to replace text with nothing, ie a delete */
SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_DELETE);
SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_DELETE);
}
else {
/* go through all the characters in the string we've been sent
and convert them to key presses */
int i;
264
for (i = 0; i < [string length]; i++) {
265
266
unichar c = [string characterAtIndex: i];
267
268
269
Uint16 mod = 0;
SDL_Scancode code;
270
271
272
273
274
275
276
277
278
279
280
if (c < 127) {
/* figure out the SDL_Scancode and SDL_keymod for this unichar */
code = unicharToUIKeyInfoTable[c].code;
mod = unicharToUIKeyInfoTable[c].mod;
}
else {
/* we only deal with ASCII right now */
code = SDL_SCANCODE_UNKNOWN;
mod = 0;
}
281
282
283
284
285
286
287
288
289
290
291
if (mod & KMOD_SHIFT) {
/* If character uses shift, press shift down */
SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_LSHIFT);
}
/* send a keydown and keyup even for the character */
SDL_SendKeyboardKey(SDL_PRESSED, code);
SDL_SendKeyboardKey(SDL_RELEASED, code);
if (mod & KMOD_SHIFT) {
/* If character uses shift, press shift back up */
SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
292
}
293
294
295
296
297
298
299
}
SDL_SendKeyboardText([string UTF8String]);
}
return NO; /* don't allow the edit! (keep placeholder text there) */
}
/* Terminates the editing session */
300
301
- (BOOL)textFieldShouldReturn:(UITextField*)_textField
{
302
303
304
305
306
307
308
309
310
311
312
313
SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_RETURN);
[self hideKeyboard];
return YES;
}
#endif
@end
/* iPhone keyboard addition functions */
#if SDL_IPHONE_KEYBOARD
314
315
int SDL_iPhoneKeyboardShow(SDL_Window * window)
{
316
317
SDL_WindowData *data;
SDL_uikitview *view;
318
319
320
321
322
if (NULL == window) {
SDL_SetError("Window does not exist");
return -1;
}
323
324
325
data = (SDL_WindowData *)window->driverdata;
view = data->view;
326
327
328
329
330
331
332
333
334
335
336
if (nil == view) {
SDL_SetError("Window has no view");
return -1;
}
else {
[view showKeyboard];
return 0;
}
}
337
338
int SDL_iPhoneKeyboardHide(SDL_Window * window)
{
339
340
SDL_WindowData *data;
SDL_uikitview *view;
341
342
343
344
if (NULL == window) {
SDL_SetError("Window does not exist");
return -1;
345
346
}
347
348
data = (SDL_WindowData *)window->driverdata;
view = data->view;
349
350
351
352
353
354
355
356
357
358
359
if (NULL == view) {
SDL_SetError("Window has no view");
return -1;
}
else {
[view hideKeyboard];
return 0;
}
}
360
361
SDL_bool SDL_iPhoneKeyboardIsShown(SDL_Window * window)
{
362
363
SDL_WindowData *data;
SDL_uikitview *view;
364
365
366
367
if (NULL == window) {
SDL_SetError("Window does not exist");
return -1;
368
369
}
370
371
data = (SDL_WindowData *)window->driverdata;
view = data->view;
372
373
374
375
376
377
378
379
380
381
if (NULL == view) {
SDL_SetError("Window has no view");
return 0;
}
else {
return view.keyboardVisible;
}
}
382
383
int SDL_iPhoneKeyboardToggle(SDL_Window * window)
{
384
385
SDL_WindowData *data;
SDL_uikitview *view;
386
387
388
389
if (NULL == window) {
SDL_SetError("Window does not exist");
return -1;
390
391
}
392
393
data = (SDL_WindowData *)window->driverdata;
view = data->view;
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
if (NULL == view) {
SDL_SetError("Window has no view");
return -1;
}
else {
if (SDL_iPhoneKeyboardIsShown(window)) {
SDL_iPhoneKeyboardHide(window);
}
else {
SDL_iPhoneKeyboardShow(window);
}
return 0;
}
}
#else
/* stubs, used if compiled without keyboard support */
414
415
int SDL_iPhoneKeyboardShow(SDL_Window * window)
{
416
417
418
419
SDL_SetError("Not compiled with keyboard support");
return -1;
}
420
421
int SDL_iPhoneKeyboardHide(SDL_Window * window)
{
422
423
424
425
SDL_SetError("Not compiled with keyboard support");
return -1;
}
426
427
SDL_bool SDL_iPhoneKeyboardIsShown(SDL_Window * window)
{
428
429
430
return 0;
}
431
432
int SDL_iPhoneKeyboardToggle(SDL_Window * window)
{
433
434
435
436
437
438
439
SDL_SetError("Not compiled with keyboard support");
return -1;
}
#endif /* SDL_IPHONE_KEYBOARD */
/* vi: set ts=4 sw=4 expandtab: */