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annotate src/video/uikit/SDL_uikitwindow.m @ 5157:fb424691cfc7

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Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 02 Feb 2011 14:34:54 -0800
parents 8b7988f42fcb
children 58265e606e4e
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_syswm.h"
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25 #include "SDL_video.h"
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26 #include "SDL_mouse.h"
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27 #include "SDL_assert.h"
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28 #include "../SDL_sysvideo.h"
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29 #include "../SDL_pixels_c.h"
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30 #include "../../events/SDL_events_c.h"
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31
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32 #include "SDL_uikitvideo.h"
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33 #include "SDL_uikitevents.h"
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34 #include "SDL_uikitwindow.h"
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35 #import "SDL_uikitappdelegate.h"
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36
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37 #import "SDL_uikitopenglview.h"
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38
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39 #include <Foundation/Foundation.h>
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40
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41 static int SetupWindowData(_THIS, SDL_Window *window, UIWindow *uiwindow, SDL_bool created)
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42 {
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43 SDL_VideoDisplay *display = window->display;
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44 UIScreen *uiscreen = (UIScreen *) display->driverdata;
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45 SDL_WindowData *data;
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46
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47 /* Allocate the window data */
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48 data = (SDL_WindowData *)SDL_malloc(sizeof(*data));
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49 if (!data) {
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50 SDL_OutOfMemory();
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51 return -1;
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52 }
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53 data->uiwindow = uiwindow;
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54 data->view = nil;
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55
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56 /* Fill in the SDL window with the window data */
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57 {
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58 window->x = 0;
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59 window->y = 0;
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60 window->w = (int)uiwindow.frame.size.width;
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61 window->h = (int)uiwindow.frame.size.height;
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62 }
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63
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64 window->driverdata = data;
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66 window->flags &= ~SDL_WINDOW_RESIZABLE; /* window is NEVER resizeable */
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67 window->flags |= SDL_WINDOW_OPENGL; /* window is always OpenGL */
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68 window->flags |= SDL_WINDOW_FULLSCREEN; /* window is always fullscreen */
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69 window->flags |= SDL_WINDOW_SHOWN; /* only one window on iPod touch, always shown */
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70 window->flags |= SDL_WINDOW_INPUT_FOCUS; /* always has input focus */
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71
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72 // SDL_WINDOW_BORDERLESS controls whether status bar is hidden.
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73 // This is only set if the window is on the main screen. Other screens
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74 // just force the window to have the borderless flag.
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75 if ([UIScreen mainScreen] == uiscreen) {
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76 if (window->flags & SDL_WINDOW_BORDERLESS) {
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77 [UIApplication sharedApplication].statusBarHidden = YES;
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78 } else {
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79 [UIApplication sharedApplication].statusBarHidden = NO;
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80 }
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81 }
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82
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83 return 0;
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84
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85 }
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86
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87 int
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88 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
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158 UIKit_DestroyWindow(_THIS, SDL_Window * window) {
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159 SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
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160 if (data) {
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161 [data->uiwindow release];
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162 SDL_free(data);
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163 window->driverdata = NULL;
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164 }
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165 }
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166
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167 SDL_bool
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168 UIKit_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
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169 {
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170 UIWindow *uiwindow = ((SDL_WindowData *) window->driverdata)->uiwindow;
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171
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172 if (info->version.major <= SDL_MAJOR_VERSION) {
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173 info->subsystem = SDL_SYSWM_UIKIT;
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174 info->info.uikit.window = uiwindow;
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175 return SDL_TRUE;
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176 } else {
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177 SDL_SetError("Application not compiled with SDL %d.%d\n",
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178 SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
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179 return SDL_FALSE;
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180 }
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181 }
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182
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183 /* vi: set ts=4 sw=4 expandtab: */