nkeynes@94 | 1 | /**
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nkeynes@485 | 2 | * $Id: video_gtk.c,v 1.19 2007-10-31 12:43:51 nkeynes Exp $
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nkeynes@94 | 3 | *
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nkeynes@94 | 4 | * The PC side of the video support (responsible for actually displaying /
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nkeynes@94 | 5 | * rendering frames)
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nkeynes@94 | 6 | *
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nkeynes@94 | 7 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@94 | 8 | *
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nkeynes@94 | 9 | * This program is free software; you can redistribute it and/or modify
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nkeynes@94 | 10 | * it under the terms of the GNU General Public License as published by
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nkeynes@94 | 11 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@94 | 12 | * (at your option) any later version.
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nkeynes@94 | 13 | *
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nkeynes@94 | 14 | * This program is distributed in the hope that it will be useful,
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nkeynes@94 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@94 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@94 | 17 | * GNU General Public License for more details.
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nkeynes@94 | 18 | */
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nkeynes@94 | 19 |
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nkeynes@94 | 20 | #include <gdk/gdkx.h>
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nkeynes@485 | 21 | #include <gdk/gdkkeysyms.h>
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nkeynes@94 | 22 | #include <stdint.h>
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nkeynes@180 | 23 | #include "dream.h"
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nkeynes@144 | 24 | #include "display.h"
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nkeynes@94 | 25 | #include "drivers/video_x11.h"
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nkeynes@481 | 26 | #include "drivers/gl_common.h"
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nkeynes@537 | 27 | #include "gtkui/gtkui.h"
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nkeynes@94 | 28 |
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nkeynes@436 | 29 | static GtkWidget *video_win = NULL;
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nkeynes@436 | 30 | int video_width = 640;
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nkeynes@436 | 31 | int video_height = 480;
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nkeynes@94 | 32 |
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nkeynes@352 | 33 | gboolean video_gtk_init();
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nkeynes@352 | 34 | void video_gtk_shutdown();
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nkeynes@144 | 35 | uint16_t video_gtk_resolve_keysym( const gchar *keysym );
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nkeynes@94 | 36 |
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nkeynes@370 | 37 | struct display_driver display_gtk_driver = { "gtk", video_gtk_init, video_gtk_shutdown,
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nkeynes@352 | 38 | video_gtk_resolve_keysym,
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nkeynes@352 | 39 | NULL, NULL, NULL, NULL, NULL, NULL, NULL };
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nkeynes@449 | 40 |
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nkeynes@449 | 41 | /**
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nkeynes@449 | 42 | * Extract the keyval of the key event if no modifier keys were pressed -
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nkeynes@449 | 43 | * in other words get the keyval of the key by itself. The other way around
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nkeynes@449 | 44 | * would be to use the hardware keysyms directly rather than the keyvals,
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nkeynes@449 | 45 | * but the mapping looks to be messier.
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nkeynes@449 | 46 | */
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nkeynes@449 | 47 | uint16_t video_gtk_unmodified_keyval( GdkEventKey *event )
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nkeynes@449 | 48 | {
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nkeynes@449 | 49 | GdkKeymap *keymap = gdk_keymap_get_default();
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nkeynes@449 | 50 | guint keyval;
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nkeynes@449 | 51 |
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nkeynes@449 | 52 | gdk_keymap_translate_keyboard_state( keymap, event->hardware_keycode, 0, 0, &keyval,
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nkeynes@449 | 53 | NULL, NULL, NULL );
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nkeynes@449 | 54 | return keyval;
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nkeynes@449 | 55 | }
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nkeynes@144 | 56 |
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nkeynes@144 | 57 | gboolean video_gtk_keydown_callback(GtkWidget *widget,
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nkeynes@144 | 58 | GdkEventKey *event,
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nkeynes@144 | 59 | gpointer user_data)
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nkeynes@144 | 60 | {
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nkeynes@449 | 61 | input_event_keydown( video_gtk_unmodified_keyval(event) );
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nkeynes@449 | 62 | return TRUE;
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nkeynes@449 | 63 | }
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nkeynes@449 | 64 |
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nkeynes@449 | 65 | gboolean video_gtk_keyup_callback(GtkWidget *widget,
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nkeynes@449 | 66 | GdkEventKey *event,
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nkeynes@449 | 67 | gpointer user_data)
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nkeynes@449 | 68 | {
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nkeynes@449 | 69 | input_event_keyup( video_gtk_unmodified_keyval(event) );
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nkeynes@424 | 70 | return TRUE;
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nkeynes@144 | 71 | }
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nkeynes@144 | 72 |
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nkeynes@144 | 73 | uint16_t video_gtk_resolve_keysym( const gchar *keysym )
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nkeynes@144 | 74 | {
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nkeynes@144 | 75 | int val = gdk_keyval_from_name( keysym );
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nkeynes@144 | 76 | if( val == GDK_VoidSymbol )
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nkeynes@144 | 77 | return 0;
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nkeynes@144 | 78 | return (uint16_t)val;
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nkeynes@144 | 79 | }
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nkeynes@144 | 80 |
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nkeynes@435 | 81 | gboolean video_gtk_expose_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data )
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nkeynes@435 | 82 | {
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nkeynes@477 | 83 | gl_fbo_detach();
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nkeynes@443 | 84 | gl_redisplay_last();
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nkeynes@443 | 85 | return TRUE;
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nkeynes@435 | 86 | }
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nkeynes@435 | 87 |
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nkeynes@436 | 88 | gboolean video_gtk_resize_callback(GtkWidget *widget, GdkEventConfigure *event, gpointer data )
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nkeynes@436 | 89 | {
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nkeynes@436 | 90 | video_width = event->width;
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nkeynes@436 | 91 | video_height = event->height;
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nkeynes@477 | 92 | gl_fbo_detach();
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nkeynes@443 | 93 | gl_redisplay_last();
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nkeynes@443 | 94 | return TRUE;
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nkeynes@436 | 95 | }
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nkeynes@436 | 96 |
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nkeynes@352 | 97 | gboolean video_gtk_init()
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nkeynes@94 | 98 | {
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nkeynes@435 | 99 | video_win = gtk_gui_get_renderarea();
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nkeynes@530 | 100 | if( video_win == NULL ) {
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nkeynes@530 | 101 | return FALSE;
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nkeynes@530 | 102 | }
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nkeynes@435 | 103 |
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nkeynes@352 | 104 | g_signal_connect( video_win, "key_press_event",
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nkeynes@352 | 105 | G_CALLBACK(video_gtk_keydown_callback), NULL );
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nkeynes@352 | 106 | g_signal_connect( video_win, "key_release_event",
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nkeynes@352 | 107 | G_CALLBACK(video_gtk_keyup_callback), NULL );
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nkeynes@435 | 108 | g_signal_connect( video_win, "expose_event",
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nkeynes@435 | 109 | G_CALLBACK(video_gtk_expose_callback), NULL );
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nkeynes@436 | 110 | g_signal_connect( video_win, "configure_event",
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nkeynes@436 | 111 | G_CALLBACK(video_gtk_resize_callback), NULL );
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nkeynes@435 | 112 | gtk_widget_add_events( video_win,
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nkeynes@352 | 113 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
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nkeynes@352 | 114 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );
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nkeynes@443 | 115 | gtk_widget_set_double_buffered( video_win, FALSE );
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nkeynes@436 | 116 | video_width = video_win->allocation.width;
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nkeynes@436 | 117 | video_height = video_win->allocation.height;
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nkeynes@370 | 118 | return video_glx_init( gdk_x11_display_get_xdisplay( gtk_widget_get_display(GTK_WIDGET(video_win))),
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nkeynes@436 | 119 | gdk_x11_screen_get_xscreen( gtk_widget_get_screen(GTK_WIDGET(video_win))),
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nkeynes@436 | 120 | GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ),
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nkeynes@436 | 121 | video_width, video_height, &display_gtk_driver );
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nkeynes@94 | 122 | }
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nkeynes@94 | 123 |
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nkeynes@352 | 124 | void video_gtk_shutdown()
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nkeynes@352 | 125 | {
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nkeynes@530 | 126 | if( video_win != NULL ) {
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nkeynes@530 | 127 | video_glx_shutdown();
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nkeynes@530 | 128 | gtk_widget_destroy( GTK_WIDGET(video_win) );
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nkeynes@530 | 129 | }
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nkeynes@352 | 130 |
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nkeynes@94 | 131 | }
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nkeynes@94 | 132 |
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