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lxdream.org :: lxdream/src/drivers/video_gtk.c
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tree revision 608:4f588e52bce0
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filename src/drivers/video_gtk.c
changeset 608:4f588e52bce0
prev586:2a3ba82cf243
next609:41b61a0d5f1a
author nkeynes
date Sat Jan 26 02:45:27 2008 +0000 (14 years ago)
permissions -rw-r--r--
last change Bug #50: Implement mouse and keyboard
view annotate diff log raw 
     1 /**

     2  * $Id$

     3  *

     4  * The PC side of the video support (responsible for actually displaying / 

     5  * rendering frames)

     6  *

     7  * Copyright (c) 2005 Nathan Keynes.

     8  *

     9  * This program is free software; you can redistribute it and/or modify

    10  * it under the terms of the GNU General Public License as published by

    11  * the Free Software Foundation; either version 2 of the License, or

    12  * (at your option) any later version.

    13  *

    14  * This program is distributed in the hope that it will be useful,

    15  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    17  * GNU General Public License for more details.

    18  */

    19 

    20 #include <gdk/gdkx.h>

    21 #include <gdk/gdkkeysyms.h>

    22 #include <stdint.h>

    23 #include "dream.h"

    24 #include "display.h"

    25 #include "dckeysyms.h"

    26 #include "drivers/video_glx.h"

    27 #include "drivers/gl_common.h"

    28 #include "pvr2/pvr2.h"

    29 #include "gtkui/gtkui.h"

    30 

    31 static GtkWidget *video_win = NULL;

    32 int video_width = 640;

    33 int video_height = 480;

    34 

    35 gboolean video_gtk_init();

    36 void video_gtk_shutdown();

    37 gboolean video_gtk_display_blank( uint32_t colour );

    38 uint16_t video_gtk_resolve_keysym( const gchar *keysym );

    39 uint16_t video_gtk_keycode_to_dckeysym(uint32_t keycode);

    40 

    41 struct display_driver display_gtk_driver = { "gtk", video_gtk_init, video_gtk_shutdown,

    42 					     video_gtk_resolve_keysym,

    43 					     video_gtk_keycode_to_dckeysym,

    44 					     NULL, NULL, NULL, NULL, NULL, 

    45 					     video_gtk_display_blank, NULL };

    46 

    47 uint16_t video_gtk_resolve_keysym( const gchar *keysym )

    48 {

    49     int val = gdk_keyval_from_name( keysym );

    50     if( val == GDK_VoidSymbol )

    51 	return 0;

    52     return (uint16_t)val;

    53 }

    54 

    55 gboolean video_gtk_expose_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data )

    56 {

    57     render_buffer_t buffer = pvr2_get_front_buffer();

    58     if( buffer == NULL ) {

    59 	display_gtk_driver.display_blank(pvr2_get_border_colour());

    60     } else {

    61 	display_gtk_driver.display_render_buffer(buffer);

    62     }

    63     return TRUE;

    64 }

    65 

    66 gboolean video_gtk_resize_callback(GtkWidget *widget, GdkEventConfigure *event, gpointer data )

    67 {

    68     video_width = event->width;

    69     video_height = event->height;

    70     video_gtk_expose_callback(widget, NULL, data);

    71     return TRUE;

    72 }

    73 

    74 uint16_t video_gtk_keycode_to_dckeysym(uint32_t keycode)

    75 {

    76     if( keycode >= 'a' && keycode <= 'z' ) {

    77 	return (keycode - 'a') + DCKB_A;

    78     } else if( keycode >= '1' && keycode <= '9' ) {

    79 	return (keycode - '1') + DCKB_1;

    80     }

    81     switch(keycode) {

    82     case XK_0:         return DCKB_0;

    83     case XK_Return:    return DCKB_ENTER;

    84     case XK_Escape:    return DCKB_ESCAPE;

    85     case XK_BackSpace: return DCKB_BACKSPACE;

    86     case XK_Tab:       return DCKB_TAB;

    87     case XK_space:     return DCKB_SPACE;

    88     case XK_minus:     return DCKB_MINUS;

    89     case XK_equal:     return DCKB_EQUAL;

    90     case XK_bracketleft: return DCKB_LBRACKET;

    91     case XK_bracketright: return DCKB_RBRACKET;

    92     case XK_semicolon: return DCKB_SEMICOLON;

    93     case XK_apostrophe:return DCKB_QUOTE;

    94     case XK_grave : return DCKB_BACKQUOTE;

    95     case XK_comma:     return DCKB_COMMA;

    96     case XK_period:    return DCKB_PERIOD;

    97     case XK_slash:     return DCKB_SLASH; 

    98     case XK_Caps_Lock: return DCKB_CAPSLOCK;

    99     case XK_F1:        return DCKB_F1;

   100     case XK_F2:        return DCKB_F2;

   101     case XK_F3:        return DCKB_F3;

   102     case XK_F4:        return DCKB_F4;

   103     case XK_F5:        return DCKB_F5;

   104     case XK_F6:        return DCKB_F6;

   105     case XK_F7:        return DCKB_F7;

   106     case XK_F8:        return DCKB_F8;

   107     case XK_F9:        return DCKB_F9;

   108     case XK_F10:       return DCKB_F10;

   109     case XK_F11:       return DCKB_F11;

   110     case XK_F12:       return DCKB_F12;

   111     case XK_Scroll_Lock: return DCKB_SCROLLLOCK;

   112     case XK_Pause:     return DCKB_PAUSE;

   113     case XK_Insert:    return DCKB_INSERT;

   114     case XK_Home:      return DCKB_HOME;

   115     case XK_Page_Up:   return DCKB_PAGEUP;

   116     case XK_Delete:    return DCKB_DELETE;

   117     case XK_End:       return DCKB_END;

   118     case XK_Page_Down: return DCKB_PAGEDOWN;

   119     case XK_Right:     return DCKB_RIGHT;

   120     case XK_Left:      return DCKB_LEFT;

   121     case XK_Down:      return DCKB_DOWN;

   122     case XK_Up:        return DCKB_UP;

   123     case XK_Num_Lock:  return DCKB_NUMLOCK;

   124     case XK_KP_Divide: return DCKB_KP_SLASH;

   125     case XK_KP_Multiply: return DCKB_KP_STAR;

   126     case XK_KP_Subtract: return DCKB_KP_MINUS;

   127     case XK_KP_Add:    return DCKB_KP_PLUS;

   128     case XK_KP_Enter:  return DCKB_KP_ENTER;

   129     case XK_KP_1:      return DCKB_KP_1;

   130     case XK_KP_2:      return DCKB_KP_2;

   131     case XK_KP_3:      return DCKB_KP_3;

   132     case XK_KP_4:      return DCKB_KP_4;

   133     case XK_KP_5:      return DCKB_KP_5;

   134     case XK_KP_6:      return DCKB_KP_6;

   135     case XK_KP_7:      return DCKB_KP_7;

   136     case XK_KP_8:      return DCKB_KP_8;

   137     case XK_KP_9:      return DCKB_KP_9;

   138     case XK_KP_0:      return DCKB_KP_0;

   139     case XK_KP_Decimal:return DCKB_KP_PERIOD;

   140     case XK_backslash: return DCKB_BACKSLASH;

   141     case XK_Control_L: return DCKB_CONTROL_L;

   142     case XK_Shift_L:   return DCKB_SHIFT_L;

   143     case XK_Alt_L:     return DCKB_ALT_L;

   144     case XK_Meta_L:    return DCKB_S1;

   145     case XK_Control_R: return DCKB_CONTROL_R;

   146     case XK_Shift_R:   return DCKB_SHIFT_R;

   147     case XK_Alt_R:     return DCKB_ALT_R;

   148     case XK_Meta_R:    return DCKB_S2;

   149     }

   150     return DCKB_NONE;

   151 }

   152 

   153 gboolean video_gtk_init()

   154 {

   155   

   156     video_win = gtk_gui_get_renderarea();

   157     if( video_win == NULL ) {

   158 	return FALSE;

   159     }

   160 

   161     g_signal_connect( video_win, "expose_event",

   162 		      G_CALLBACK(video_gtk_expose_callback), NULL );

   163     g_signal_connect( video_win, "configure_event",

   164 		      G_CALLBACK(video_gtk_resize_callback), NULL );

   165     video_width = video_win->allocation.width;

   166     video_height = video_win->allocation.height;

   167     Display *display = gdk_x11_display_get_xdisplay( gtk_widget_get_display(GTK_WIDGET(video_win)));

   168     Window window = GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window );

   169     if( ! video_glx_init_context( display, window ) ||

   170         ! video_glx_init_driver( &display_gtk_driver ) ) {

   171         return FALSE;

   172     }

   173     return TRUE;

   174 }

   175 

   176 gboolean video_gtk_display_blank( uint32_t colour )

   177 {

   178     GdkGC *gc = gdk_gc_new(video_win->window);

   179     GdkColor color = {0, ((colour>>16)&0xFF)*257, ((colour>>8)&0xFF)*257, ((colour)&0xFF)*257 };

   180     GdkColormap *cmap = gdk_colormap_get_system();

   181     gdk_colormap_alloc_color( cmap, &color, TRUE, TRUE );

   182     gdk_gc_set_foreground( gc, &color );

   183     gdk_gc_set_background( gc, &color );

   184     gdk_draw_rectangle( video_win->window, gc, TRUE, 0, 0, video_width, video_height );

   185     gdk_gc_destroy(gc);

   186     gdk_colormap_free_colors( cmap, &color, 1 );

   187 }

   188 

   189 void video_gtk_shutdown()

   190 {

   191     if( video_win != NULL ) {

   192 	video_glx_shutdown();

   193     }

   194 

   195 }

   196
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