2 Copyright (c) 2001, Loki software, inc.
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5 Redistribution and use in source and binary forms, with or without modification,
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6 are permitted provided that the following conditions are met:
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8 Redistributions of source code must retain the above copyright notice, this list
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9 of conditions and the following disclaimer.
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11 Redistributions in binary form must reproduce the above copyright notice, this
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12 list of conditions and the following disclaimer in the documentation and/or
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13 other materials provided with the distribution.
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15 Neither the name of Loki software nor the names of its contributors may be used
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16 to endorse or promote products derived from this software without specific prior
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17 written permission.
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19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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20 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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22 DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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23 DIRECT,INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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24 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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25 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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26 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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27 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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28 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 // GLWindow - Base class for the small views used by Radiant
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34 // Leonardo Zide (leo@lokigames.com
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38 #include "glwidget.h"
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39 #include "glwindow.h"
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41 // =============================================================================
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44 static void realize (GtkWidget *widget, gpointer data)
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46 GLWindow *wnd = (GLWindow*)data;
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51 static gint expose (GtkWidget *widget, GdkEventExpose *event, gpointer data)
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53 GLWindow *wnd = (GLWindow*)data;
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56 if (event->count > 0)
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60 if (!g_pParentWnd->IsSleeping ())
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66 static void button_press (GtkWidget *widget, GdkEventButton *event, gpointer data)
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68 GLWindow *wnd = (GLWindow*)data;
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71 gdk_pointer_grab (widget->window, FALSE,
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72 (GdkEventMask)(GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK),
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73 NULL, NULL, GDK_CURRENT_TIME);
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75 gtk_window_set_focus (GTK_WINDOW (g_pParentWnd->m_pWidget), widget);
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77 switch (event->button)
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79 case 1: flags |= MK_LBUTTON; break;
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80 case 2: flags |= MK_MBUTTON; break;
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81 case 3: flags |= MK_RBUTTON; break;
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82 #if !GTK_CHECK_VERSION (1,3,0)
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83 case 4: wnd->OnMouseWheel(true); break;
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84 case 5: wnd->OnMouseWheel(false); break;
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88 if ((event->state & GDK_CONTROL_MASK) != 0)
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89 flags |= MK_CONTROL;
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91 if ((event->state & GDK_SHIFT_MASK) != 0)
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94 if (event->type == GDK_BUTTON_PRESS)
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96 switch (event->button)
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99 wnd->OnLButtonDown (flags, (int)event->x, (int)event->y); break;
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101 wnd->OnMButtonDown (flags, (int)event->x, (int)event->y); break;
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103 wnd->OnRButtonDown (flags, (int)event->x, (int)event->y); break;
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106 else if (event->type == GDK_2BUTTON_PRESS)
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112 static void button_release (GtkWidget *widget, GdkEventButton *event, gpointer data)
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114 GLWindow *wnd = (GLWindow*)data;
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117 gdk_pointer_ungrab (GDK_CURRENT_TIME);
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119 if ((event->state & GDK_CONTROL_MASK) != 0)
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120 flags |= MK_CONTROL;
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122 if ((event->state & GDK_SHIFT_MASK) != 0)
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125 switch (event->button)
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128 wnd->OnLButtonUp (flags, (int)event->x, (int)event->y); break;
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130 wnd->OnMButtonUp (flags, (int)event->x, (int)event->y); break;
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132 wnd->OnRButtonUp (flags, (int)event->x, (int)event->y); break;
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136 static void motion (GtkWidget *widget, GdkEventMotion *event, gpointer data)
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138 GLWindow *wnd = (GLWindow*)data;
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141 if ((event->state & GDK_BUTTON1_MASK) != 0)
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142 flags |= MK_LBUTTON;
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144 if ((event->state & GDK_BUTTON2_MASK) != 0)
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145 flags |= MK_MBUTTON;
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147 if ((event->state & GDK_BUTTON3_MASK) != 0)
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148 flags |= MK_RBUTTON;
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150 if ((event->state & GDK_CONTROL_MASK) != 0)
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151 flags |= MK_CONTROL;
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153 if ((event->state & GDK_SHIFT_MASK) != 0)
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156 wnd->OnMouseMove (flags, (int)event->x, (int)event->y);
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159 static void resize (GtkWidget *widget, GtkAllocation *allocation, gpointer data)
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161 GLWindow *wnd = (GLWindow*)data;
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162 wnd->OnSize (allocation->width, allocation->height);
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165 static gint timer (gpointer data)
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167 GLWindow *wnd = (GLWindow*)data;
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175 static void create_context (GtkWidget *widget, gpointer data)
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177 if (g_qeglobals_gui.d_glBase == NULL)
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178 g_qeglobals_gui.d_glBase = widget;
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181 static void destroy_context (GtkWidget *widget, gpointer data)
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183 if (g_qeglobals_gui.d_glBase == widget)
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184 g_qeglobals_gui.d_glBase = NULL;
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188 #if GTK_CHECK_VERSION (1,3,0)
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189 static gint scroll_event( GtkWidget *widget,
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190 GdkEventScroll *event,
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193 GLWindow *wnd = (GLWindow*)data;
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194 wnd->OnMouseWheel((event->direction == GDK_SCROLL_UP) ? true : false);
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199 // =============================================================================
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203 //#define DBG_GLWINDOW
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206 GLWindow::GLWindow (bool zbuffer)
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209 m_bMouseCapture = FALSE;
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212 m_pWidget = gtk_glwidget_new (zbuffer, g_qeglobals_gui.d_glBase);
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213 GTK_WIDGET_SET_FLAGS (m_pWidget, GTK_CAN_FOCUS);
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215 #ifdef DBG_GLWINDOW
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216 Sys_Printf("GLWindow::GLWindow m_pWidget = %p\n", m_pWidget);
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220 //#if defined (__linux__) || defined (__APPLE__)
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221 if (g_qeglobals_gui.d_glBase == NULL)
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222 g_qeglobals_gui.d_glBase = m_pWidget;
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225 #if GTK_CHECK_VERSION (1,3,0)
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226 gtk_widget_set_events (m_pWidget, GDK_DESTROY | GDK_EXPOSURE_MASK |
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227 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_SCROLL_MASK);
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229 gtk_widget_set_events (m_pWidget, GDK_DESTROY | GDK_EXPOSURE_MASK |
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230 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK);
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233 // Connect signal handlers
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234 gtk_signal_connect (GTK_OBJECT (m_pWidget), "realize", GTK_SIGNAL_FUNC (realize), this);
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235 gtk_signal_connect (GTK_OBJECT (m_pWidget), "expose_event", GTK_SIGNAL_FUNC (expose), this);
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236 gtk_signal_connect (GTK_OBJECT (m_pWidget), "motion_notify_event", GTK_SIGNAL_FUNC (motion), this);
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237 gtk_signal_connect (GTK_OBJECT (m_pWidget), "button_press_event", GTK_SIGNAL_FUNC (button_press), this);
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238 gtk_signal_connect (GTK_OBJECT (m_pWidget), "button_release_event",GTK_SIGNAL_FUNC (button_release), this);
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239 gtk_signal_connect (GTK_OBJECT (m_pWidget), "size_allocate", GTK_SIGNAL_FUNC (resize), this);
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241 // gtk_signal_connect (GTK_OBJECT (m_pWidget), "create_context", GTK_SIGNAL_FUNC (create_context), this);
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242 // gtk_signal_connect (GTK_OBJECT (m_pWidget), "destroy_context", GTK_SIGNAL_FUNC (destroy_context), this);
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243 #if GTK_CHECK_VERSION (1,3,0)
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244 gtk_signal_connect (GTK_OBJECT (m_pWidget), "scroll_event", GTK_SIGNAL_FUNC (scroll_event), this);
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248 GLWindow::~GLWindow ()
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250 #ifdef DBG_GLWINDOW
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251 Sys_Printf("GLWindow::~GLWindow m_pWidget = %p\n", m_pWidget);
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254 if (m_pWidget && GTK_IS_WIDGET (m_pWidget))
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255 gtk_widget_destroy (m_pWidget);
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258 void GLWindow::DestroyContext ()
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260 gtk_glwidget_destroy_context (m_pWidget);
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263 void GLWindow::CreateContext ()
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265 gtk_glwidget_create_context (m_pWidget);
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268 void GLWindow::SetTimer (guint millisec)
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270 m_nTimer = gtk_timeout_add (millisec, timer, this);
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273 void GLWindow::KillTimer ()
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275 gtk_timeout_remove (m_nTimer);
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279 bool GLWindow::MakeCurrent ()
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281 return gtk_glwidget_make_current (m_pWidget);
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284 void GLWindow::SwapBuffers ()
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286 gtk_glwidget_swap_buffers (m_pWidget);
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