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annotate src/video/uikit/SDL_uikitwindow.m @ 4801:506a9165491b

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Added #define's for error codes returned from SDL shaped-window API.
author Eli Gottlieb <eligottlieb@gmail.com>
date Sun, 18 Jul 2010 22:24:52 -0400
parents 8b03a20b320f
children 8b7988f42fcb
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include "SDL_video.h"
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25 #include "SDL_mouse.h"
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26 #include "SDL_assert.h"
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27 #include "../SDL_sysvideo.h"
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28 #include "../SDL_pixels_c.h"
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29 #include "../../events/SDL_events_c.h"
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30
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31 #include "SDL_uikitvideo.h"
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32 #include "SDL_uikitevents.h"
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33 #include "SDL_uikitwindow.h"
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34 #import "SDL_uikitappdelegate.h"
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35
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36 #import "SDL_uikitopenglview.h"
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37 #import "SDL_renderer_sw.h"
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38
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39 #include <UIKit/UIKit.h>
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40 #include <Foundation/Foundation.h>
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41
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42 static int SetupWindowData(_THIS, SDL_Window *window, UIWindow *uiwindow, SDL_bool created)
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43 {
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44 SDL_VideoDisplay *display = window->display;
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45 UIScreen *uiscreen = (UIScreen *) display->driverdata;
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46 SDL_WindowData *data;
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47
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48 /* Allocate the window data */
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49 data = (SDL_WindowData *)SDL_malloc(sizeof(*data));
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50 if (!data) {
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51 SDL_OutOfMemory();
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52 return -1;
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53 }
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54 data->uiwindow = uiwindow;
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55 data->view = nil;
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56
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57 /* Fill in the SDL window with the window data */
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58 {
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59 window->x = 0;
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60 window->y = 0;
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61 window->w = (int)uiwindow.frame.size.width;
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62 window->h = (int)uiwindow.frame.size.height;
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63 }
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64
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65 window->driverdata = data;
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66
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67 window->flags &= ~SDL_WINDOW_RESIZABLE; /* window is NEVER resizeable */
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68 window->flags |= SDL_WINDOW_OPENGL; /* window is always OpenGL */
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69 window->flags |= SDL_WINDOW_FULLSCREEN; /* window is always fullscreen */
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70 window->flags |= SDL_WINDOW_SHOWN; /* only one window on iPod touch, always shown */
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71 window->flags |= SDL_WINDOW_INPUT_FOCUS; /* always has input focus */
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72
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73 // SDL_WINDOW_BORDERLESS controls whether status bar is hidden.
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74 // This is only set if the window is on the main screen. Other screens
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75 // just force the window to have the borderless flag.
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76 if ([UIScreen mainScreen] == uiscreen) {
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77 if (window->flags & SDL_WINDOW_BORDERLESS) {
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78 [UIApplication sharedApplication].statusBarHidden = YES;
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79 } else {
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80 [UIApplication sharedApplication].statusBarHidden = NO;
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81 }
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82 }
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83
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84 return 0;
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85
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86 }
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87
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88 int UIKit_CreateWindow(_THIS, SDL_Window *window) {
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89
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90 SDL_VideoDisplay *display = window->display;
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91 UIScreen *uiscreen = (UIScreen *) display->driverdata;
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92
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93 // SDL currently puts this window at the start of display's linked list. We rely on this.
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94 SDL_assert(display->windows == window);
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95
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96 /* We currently only handle a single window per display on iPhone */
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97 if (window->next != NULL) {
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98 SDL_SetError("Only one window allowed per display.");
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99 return -1;
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100 }
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101
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102 // Non-mainscreen windows must be force to borderless, as there's no
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103 // status bar there, and we want to get the right dimensions later in
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104 // this function.
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105 if ([UIScreen mainScreen] != uiscreen) {
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106 window->flags |= SDL_WINDOW_BORDERLESS;
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107 }
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108
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109 // If monitor has a resolution of 0x0 (hasn't been explicitly set by the
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110 // user, so it's in standby), try to force the display to a resolution
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111 // that most closely matches the desired window size.
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112 if (SDL_UIKit_supports_multiple_displays) {
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113 const CGSize origsize = [[uiscreen currentMode] size];
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114 if ((origsize.width == 0.0f) && (origsize.height == 0.0f)) {
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115 if (display->num_display_modes == 0) {
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116 _this->GetDisplayModes(_this, display);
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117 }
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118
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119 int i;
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120 const SDL_DisplayMode *bestmode = NULL;
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121 for (i = display->num_display_modes; i >= 0; i--) {
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122 const SDL_DisplayMode *mode = &display->display_modes[i];
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123 if ((mode->w >= window->w) && (mode->h >= window->h))
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124 bestmode = mode;
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125 }
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126
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127 if (bestmode) {
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128 UIScreenMode *uimode = (UIScreenMode *) bestmode->driverdata;
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129 [uiscreen setCurrentMode:uimode];
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130 display->desktop_mode = *bestmode;
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131 display->current_mode = *bestmode;
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132 }
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133 }
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134 }
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135
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136 /* ignore the size user requested, and make a fullscreen window */
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137 // !!! FIXME: can we have a smaller view?
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138 UIWindow *uiwindow = [UIWindow alloc];
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139 if (window->flags & SDL_WINDOW_BORDERLESS)
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140 uiwindow = [uiwindow initWithFrame:[uiscreen bounds]];
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141 else
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142 uiwindow = [uiwindow initWithFrame:[uiscreen applicationFrame]];
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143
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144 if (SDL_UIKit_supports_multiple_displays) {
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145 [uiwindow setScreen:uiscreen];
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146 }
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147
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148 if (SetupWindowData(_this, window, uiwindow, SDL_TRUE) < 0) {
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149 [uiwindow release];
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150 return -1;
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151 }
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152
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153 return 1;
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154
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155 }
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156
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157 void UIKit_DestroyWindow(_THIS, SDL_Window * window) {
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158 SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
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159 if (data) {
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160 [data->uiwindow release];
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161 SDL_free(data);
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162 window->driverdata = NULL;
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163 }
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164 }
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165
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166 /* vi: set ts=4 sw=4 expandtab: */