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annotate EXCLUDE/GLTSF/src/Window.cpp @ 4730:6032ada8b9e5

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Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
author dewyatt
date Tue, 25 May 2010 18:53:09 -0400
parents
children 0c7c67d4e6ee
rev   line source
4730
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1 #include "Window.hpp"
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2
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3 #pragma comment(lib, "opengl32.lib")
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4
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5 const wchar_t *Window::Window_Class_Name = L"GLTSF";
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6
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7 Window::Window() : my_Handle(0),
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8 my_Device_Context(0),
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9 my_GL_Context(0),
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10 my_Class_Registered(false),
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11 my_Listener(0)
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12 {
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13
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14 }
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15
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16 Window::~Window()
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17 {
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18 Finalize();
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19 }
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20
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21 void Window::Initialize(const std::wstring &Title, const Video_Mode &Mode, bool Fullscreen)
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22 {
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23 Finalize();
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24
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25 my_Video_Mode = Mode;
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26 if (!my_Video_Mode.Is_Valid())
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27 throw std::runtime_error("Invalid video mode");
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28
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29 my_Fullscreen = Fullscreen;
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30 Register_Class();
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31 Create_Window(Title, Mode, Fullscreen);
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32 }
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33
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34 void Window::Finalize()
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35 {
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36 Destroy_Window();
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37 Unregister_Class();
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38 }
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39
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40 void Window::Set_Listener(Window_Listener *Listener)
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41 {
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42 my_Listener = Listener;
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43 }
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44
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45 void Window::Register_Class()
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46 {
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47 WNDCLASSEXW Window_Class = {0};
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48 Window_Class.cbSize = sizeof(Window_Class);
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49 Window_Class.style = 0;
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50 Window_Class.lpfnWndProc = &Window::Window_Procedure;
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51 Window_Class.cbClsExtra = 0;
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52 Window_Class.cbWndExtra = 0;
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53 Window_Class.hInstance = GetModuleHandle(NULL);
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54 Window_Class.hIcon = NULL;
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55 Window_Class.hCursor = NULL;
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56 Window_Class.hbrBackground = NULL;
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57 Window_Class.lpszMenuName = NULL;
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58 Window_Class.lpszClassName = Window_Class_Name;
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59 Window_Class.hIconSm = NULL;
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60 if (0 == RegisterClassExW(&Window_Class))
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61 throw std::runtime_error("Failed to register window class");
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62
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63 my_Class_Registered = true;
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64 }
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65
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66 void Window::Unregister_Class()
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67 {
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68 if (my_Class_Registered)
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69 {
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70 if (0 == UnregisterClassW(Window_Class_Name, GetModuleHandle(NULL)))
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71 printf("Warning: Failed to unregister window class\n");
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72
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73 my_Class_Registered = false;
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74 }
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75 }
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76
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77 void Window::Create_Window(const std::wstring &Title, const Video_Mode &Mode, bool Fullscreen)
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78 {
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79 HDC Screen_DC = GetDC(NULL);
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80 int Left = (GetDeviceCaps(Screen_DC, HORZRES) - my_Video_Mode.Width) / 2;
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81 int Top = (GetDeviceCaps(Screen_DC, VERTRES) - my_Video_Mode.Height) / 2;
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82 int Width = my_Video_Mode.Width;
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83 int Height = my_Video_Mode.Height;
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84 ReleaseDC(NULL, Screen_DC);
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85
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86 DWORD Style = WS_OVERLAPPEDWINDOW;
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87 if (!my_Fullscreen)
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88 {
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89 RECT Rect = {0, 0, Width, Height};
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90 AdjustWindowRect(&Rect, Style, false);
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91 Width = Rect.right - Rect.left;
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92 Height = Rect.bottom - Rect.top;
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93 }
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94 my_Handle = CreateWindowW(Window_Class_Name, Title.c_str(), Style, Left, Top, Width, Height, NULL, NULL, GetModuleHandle(NULL), this);
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95 if (!my_Handle)
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96 throw std::runtime_error("Failed to create window");
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97
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98 if (Fullscreen)
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99 Switch_To_Fullscreen(Mode);
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100
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101 Create_Context(Mode);
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102
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103 RECT Rect = {0};
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104 GetClientRect(my_Handle, &Rect);
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105 //TODO: ...
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106 }
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107
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108 void Window::Destroy_Window()
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109 {
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110 Destroy_Context();
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111 if (my_Handle)
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112 {
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113 DestroyWindow(my_Handle);
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114 my_Handle = 0;
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115
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116 if (my_Fullscreen)
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117 ChangeDisplaySettings(NULL, 0);
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118 }
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119 }
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120
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121 void Window::Create_Context(const Video_Mode &Mode)
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122 {
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123 my_Device_Context = GetDC(my_Handle);
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124 if (!my_Device_Context)
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125 throw std::runtime_error("Failed to get device context");
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126
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127 PIXELFORMATDESCRIPTOR Pixel_Descriptor = {0};
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128 Pixel_Descriptor.nSize = sizeof(Pixel_Descriptor);
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129 Pixel_Descriptor.nVersion = 1;
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130 Pixel_Descriptor.iLayerType = PFD_MAIN_PLANE;
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131 Pixel_Descriptor.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
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132 Pixel_Descriptor.iPixelType = PFD_TYPE_RGBA;
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133 Pixel_Descriptor.cColorBits = static_cast<BYTE>(Mode.Bits_Per_Pixel);
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134 Pixel_Descriptor.cDepthBits = 24;
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135 Pixel_Descriptor.cStencilBits = 8;
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136 Pixel_Descriptor.cAlphaBits = Mode.Bits_Per_Pixel == 32 ? 8 : 0;
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137
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138 int Best_Format = ChoosePixelFormat(my_Device_Context, &Pixel_Descriptor);
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139 if (0 == Best_Format)
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140 throw std::runtime_error("Failed to find suitable pixel format");
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141
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142 PIXELFORMATDESCRIPTOR Actual_Format = {0};
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143 Actual_Format.nSize = sizeof(Actual_Format);
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144 Actual_Format.nVersion = 1;
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145 DescribePixelFormat(my_Device_Context, Best_Format, sizeof(Actual_Format), &Actual_Format);
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146 if (!SetPixelFormat(my_Device_Context, Best_Format, &Actual_Format))
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147 throw std::runtime_error("Failed to set device pixel format");
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148
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149 my_GL_Context = wglCreateContext(my_Device_Context);
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150 if (!my_GL_Context)
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151 throw std::runtime_error("Failed to create OpenGL context");
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152
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153 wglMakeCurrent(my_Device_Context, my_GL_Context);
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154 }
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155
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
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156 void Window::Destroy_Context()
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157 {
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158 if (my_GL_Context)
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159 {
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160 wglDeleteContext(my_GL_Context);
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161 my_GL_Context = 0;
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162 }
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163 if (my_Device_Context)
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164 {
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165 ReleaseDC(my_Handle, my_Device_Context);
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166 my_Device_Context = 0;
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167 }
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168 }
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169
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170 void Window::Switch_To_Fullscreen(const Video_Mode &Mode)
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171 {
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172 DEVMODE Device_Mode = {0};
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173 Device_Mode.dmSize = sizeof(Device_Mode);
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174 Device_Mode.dmPelsWidth = Mode.Width;
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175 Device_Mode.dmPelsHeight = Mode.Height;
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176 Device_Mode.dmBitsPerPel = Mode.Bits_Per_Pixel;
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177 Device_Mode.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL;
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178
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179 if (DISP_CHANGE_SUCCESSFUL != ChangeDisplaySettings(&Device_Mode, CDS_FULLSCREEN))
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180 throw std::runtime_error("Failed to change to fullscreen mode");
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181
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182 SetWindowLong(my_Handle, GWL_STYLE, WS_POPUP | WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
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183 SetWindowLong(my_Handle, GWL_EXSTYLE, WS_EX_APPWINDOW);
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184
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185 SetWindowPos(my_Handle, HWND_TOP, 0, 0, Mode.Width, Mode.Height, SWP_FRAMECHANGED);
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186 }
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187
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188 LRESULT CALLBACK Window::Window_Procedure(HWND Handle, UINT Message, WPARAM wParam, LPARAM lParam)
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189 {
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190 switch (Message)
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191 {
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192 case WM_CREATE:
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193 {
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194 LONG This = reinterpret_cast<LONG>(reinterpret_cast<CREATESTRUCT *>(lParam)->lpCreateParams);
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195 SetWindowLongPtr(Handle, GWLP_USERDATA, This);
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196 return 0;
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197 }
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198 break;
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199 case WM_DESTROY:
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200 PostQuitMessage(0);
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201 return 0;
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parents:
diff changeset
202 break;
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parents:
diff changeset
203 default:
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204 {
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205 Window* Win = reinterpret_cast<Window *>(GetWindowLongPtr(Handle, GWLP_USERDATA));
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206 if (Win)
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207 return Win->Handle_Message(Handle, Message, wParam, lParam);
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208 }
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diff changeset
209 break;
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parents:
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210 }
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
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211 return DefWindowProcW(Handle, Message, wParam, lParam);
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212 }
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
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213
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
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214 #define Call_Listener(x)\
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215 if (my_Listener) my_Listener->x
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216
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217 LRESULT Window::Handle_Message(HWND Handle, UINT Message, WPARAM wParam, LPARAM lParam)
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218 {
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219 switch (Message)
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220 {
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diff changeset
221 case WM_CLOSE:
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diff changeset
222 Call_Listener(On_Close());
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223 break;
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diff changeset
224 case WM_KEYDOWN:
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225 Call_Listener(On_Key_Down(wParam));
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dewyatt
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diff changeset
226 break;
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
227 case WM_KEYUP:
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diff changeset
228 Call_Listener(On_Key_Up(wParam));
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
229 break;
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
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parents:
diff changeset
230 default:
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
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diff changeset
231 return DefWindowProcW(Handle, Message, wParam, lParam);
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
232 break;
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
233 }
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
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diff changeset
234 return 0;
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
235 }
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
236
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
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diff changeset
237 void Window::Show()
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
238 {
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
239 if (my_Handle)
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diff changeset
240 ShowWindow(my_Handle, SW_SHOW);
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dewyatt
parents:
diff changeset
241 }
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
242
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
243 void Window::Hide()
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
244 {
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
245 if (my_Handle)
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
246 ShowWindow(my_Handle, SW_HIDE);
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
247 }
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
248
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
249 void Window::Update()
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
250 {
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
251 MSG Message = {0};
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
252 while (PeekMessageW(&Message, NULL, 0, 0, PM_REMOVE))
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
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parents:
diff changeset
253 {
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
254 TranslateMessage(&Message);
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
255 DispatchMessageW(&Message);
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
256 }
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
257 }
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
258
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
259 void Window::Display()
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
260 {
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
261 if (my_Device_Context && my_GL_Context)
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
262 SwapBuffers(my_Device_Context);
6032ada8b9e5 Adding GLTSF (somewhat based on SFML, no actual TSF code yet)
dewyatt
parents:
diff changeset
263 }