Mercurial > LightClone

annotate LightClone/Source/GuiInterface.cpp @ 26:3a63df04f3c0

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Several Gui enhancements; Drag and drop should work; Added resource caching
author koryspansel
date Fri, 16 Sep 2011 15:28:15 -0700
parents eae13b04b06f
children 0b729faa4e73
rev   line source
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1 /*
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2 * GuiInterface
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3 */
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4
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5 #include "GuiInterface.h"
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6
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7 /*
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8 * GuiInterface
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9 */
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10 GuiInterface::GuiInterface() : pInputManager(NULL), pDragElement(NULL), pCaptureElement(NULL), pFocusElement(NULL)
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11 {
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12 pInterface = this;
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13 pCursor = new GuiCursor();
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14 }
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15
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16 /*
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17 * Initialize
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18 */
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19 ErrorCode GuiInterface::Initialize(ResourceManager* pResourceManager, InputManager* pInput)
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20 {
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21 ErrorCode eCode = GuiElement::Initialize(pResourceManager);
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22 if(eCode == Error_Success)
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23 {
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24 eCode = pCursor->Initialize(pResourceManager);
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25 if(eCode == Error_Success)
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26 {
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27 eCode = pCursor->SetTexture("Data\\Textures\\Arrow.tga");
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28 if(eCode == Error_Success)
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29 {
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30 pInputManager = pInput;
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31 //ASSERT(pInputManager);
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32
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33 pInputManager->SetBounds(0.0f, 0.0f, (float)ScreenSizeX, (float)ScreenSizeY);
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34 pInputManager->SetMouse(0.5f * ScreenSizeX, 0.5f * ScreenSizeY);
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35 }
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36 }
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37 }
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38
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39 return eCode;
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40 }
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41
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42 /*
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43 * Terminate
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44 */
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45 void GuiInterface::Terminate()
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46 {
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47 GuiElement::Terminate();
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48 }
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49
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50 /*
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51 * Update
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52 */
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53 void GuiInterface::Update(float fElapsed)
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54 {
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55 const float fMouseX = pInputManager->GetMouseX();
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56 const float fMouseY = pInputManager->GetMouseY();
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57 const float fDeltaX = pInputManager->GetMouseDeltaX();
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58 const float fDeltaY = pInputManager->GetMouseDeltaY();
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59
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60 GuiElement::Update(fElapsed);
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61
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62 if(pCursor)
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63 {
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64 /*
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65 char kBuffer[128];
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66 sprintf_s(kBuffer, "<%0.2f, %0.2f>\n", fX, fY);
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67 OutputDebugStringA(kBuffer);
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68 */
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69
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70 pCursor->SetPosition(fMouseX, fMouseY);
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71 pCursor->Update(fElapsed);
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72 }
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73
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74 if(pDragElement)
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75 {
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76 if(pInputManager->IsButtonReleased(nDragButton))
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77 {
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78 EndDrag(Pick(fMouseX, fMouseY), fMouseX, fMouseY);
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79 }
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80 else
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81 {
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82 for(uint32 nButton = MouseButton_Left; nButton < MouseButton_Count; ++nButton)
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83 {
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84 if(pInputManager->IsButtonPressed(nButton) || pInputManager->IsButtonReleased(nButton))
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85 {
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86 EndDrag(NULL, fMouseX, fMouseY);
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87 }
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88 }
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89 }
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90 }
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91 else
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92 {
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93 GuiElement* pElement = Pick(fMouseX, fMouseY);
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94
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95 if(pFocusElement != pElement)
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96 {
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97 if(!pCaptureElement)
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98 {
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99 if(pFocusElement)
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100 {
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101 pFocusElement->OnMouseLeave();
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102 }
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103
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104 if(pElement)
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105 {
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106 pElement->OnMouseEnter();
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107 }
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108 }
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109
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110 pFocusElement = pElement;
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111 }
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112
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113 for(uint32 nButton = MouseButton_Left; nButton < MouseButton_Count; ++nButton)
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114 {
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115 // button down
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116 if(pInputManager->IsButtonPressed(nButton))
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117 {
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118 if(pCaptureElement)
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119 {
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120 pElement->OnMouseDown(nButton, fMouseX, fMouseY);
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121 }
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122 else
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123
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124 if(pElement)
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125 {
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126 pElement->OnMouseDown(nButton, fMouseX, fMouseY);
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127 }
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128 }
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129 else
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130
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131 // button up
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132 if(pInputManager->IsButtonReleased(nButton))
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133 {
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134 if(pCaptureElement)
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135 {
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136 pCaptureElement->OnMouseUp(nButton, fMouseX, fMouseY);
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137 }
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138 else
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139
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140 if(pElement)
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141 {
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142 pElement->OnMouseUp(nButton, fMouseX, fMouseY);
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143 }
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144 }
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145 }
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146
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147 // mouse moved
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148 if(fDeltaX != 0.0f || fDeltaY != 0.0f)
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149 //if(pInputManager->MouseMoved())
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150 {
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151 if(pCaptureElement)
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152 {
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153 pCaptureElement->OnMouseMove(fMouseX, fMouseY);
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154 }
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155 else
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156
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157 if(pElement)
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158 {
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159 pElement->OnMouseMove(fMouseX, fMouseY);
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160 }
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161 }
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162 }
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163 }
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164
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165 /*
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166 * Render
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167 */
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168 void GuiInterface::Render(RenderContext& kContext, Camera& kCamera)
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169 {
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170 //TODO: Begin batch
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171 //kContext.BeginBatch();
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172
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173 if(nFlags & GuiElementFlag_Visible)
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174 {
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175 //TODO: Inside Render functions call kContext.AddToBatch(pTexture, kPosition, kDimensions, kColor)
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176 GuiElement::Render(kContext, kCamera);
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177
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178 if(pCursor)
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179 {
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180 pCursor->Render(kContext, kCamera);
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181
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182 if(pDragElement)
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183 {
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184 //TODO: Move to cursor position
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185 //pDragElement->Render(kContext, kCamera);
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186 }
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187 }
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188 }
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189
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190 //TODO: End batch
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191 //kContext.EndBatch()
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192 }
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193
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194 /*
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195 * AcquireCursor
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196 */
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197 ErrorCode GuiInterface::AcquireCursor(GuiElement* pSource)
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198 {
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199 if(!pCaptureElement)
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200 {
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201 return pCaptureElement = pSource, Error_Success;
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202 }
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203
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204 return Error_Fail;
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205 }
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206
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207 /*
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208 * ReleaseCursor
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209 */
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210 void GuiInterface::ReleaseCursor()
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211 {
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212 pCaptureElement = NULL;
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213 }
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214
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215 /*
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216 * IsCursorAcquiredBy
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217 */
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218 bool GuiInterface::IsCursorAcquiredBy(GuiElement* pElement) const
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219 {
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220 return pDragElement == pElement;
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221 }
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222
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223 /*
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224 * BeginDrag
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225 */
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226 void GuiInterface::BeginDrag(GuiElement* pSource, uint32 nButton)
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227 {
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228 //ASSERT(pDragElement == NULL);
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229
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230 pDragElement = pSource;
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231 nDragButton = nButton;
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232 }
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233
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234 /*
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235 * EndDrag
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236 */
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237 void GuiInterface::EndDrag(GuiElement* pTarget, float fX, float fY)
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238 {
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239 if(pTarget)
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240 {
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241 pTarget->OnDrop(pDragElement, fX, fY);
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242 }
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243
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244 pDragElement = NULL;
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245 }