1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/gtkui/gtk_win.c	Wed Jul 30 02:24:06 2008 +0000
     1.3 @@ -0,0 +1,381 @@
     1.4 +/**
     1.5 + * $Id$
     1.6 + *
     1.7 + * Define the main (emu) GTK window, along with its menubars,
     1.8 + * toolbars, etc.
     1.9 + *
    1.10 + * Copyright (c) 2005 Nathan Keynes.
    1.11 + *
    1.12 + * This program is free software; you can redistribute it and/or modify
    1.13 + * it under the terms of the GNU General Public License as published by
    1.14 + * the Free Software Foundation; either version 2 of the License, or
    1.15 + * (at your option) any later version.
    1.16 + *
    1.17 + * This program is distributed in the hope that it will be useful,
    1.18 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.19 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.20 + * GNU General Public License for more details.
    1.21 + */
    1.22 +
    1.23 +#include <assert.h>
    1.24 +#include <sys/types.h>
    1.25 +#include <sys/stat.h>
    1.26 +#include <unistd.h>
    1.27 +#include <string.h>
    1.28 +#include <stdio.h>
    1.29 +#include <stdlib.h>
    1.30 +
    1.31 +#include <gtk/gtk.h>
    1.32 +#include <gdk/gdk.h>
    1.33 +#include <gdk/gdkkeysyms.h>
    1.34 +#include <X11/Xutil.h>
    1.35 +
    1.36 +#include "lxdream.h"
    1.37 +#include "dreamcast.h"
    1.38 +#include "display.h"
    1.39 +#include "gtkui/gtkui.h"
    1.40 +
    1.41 +
    1.42 +struct main_window_info {
    1.43 +    GtkWidget *window;
    1.44 +    GtkWidget *video;
    1.45 +    GtkWidget *menubar;
    1.46 +    GtkWidget *toolbar;
    1.47 +    GtkWidget *statusbar;
    1.48 +    GtkActionGroup *actions;
    1.49 +    gboolean use_grab;
    1.50 +    gboolean is_grabbed;
    1.51 +    int32_t mouse_x, mouse_y;
    1.52 +};
    1.53 +
    1.54 +
    1.55 +/******************** Video window **************************/
    1.56 +
    1.57 +/**
    1.58 + * Adjust the mouse pointer so that it appears in the center of the video
    1.59 + * window. Mainly used for when we have the mouse grab
    1.60 + */
    1.61 +void video_window_center_pointer( main_window_t win )
    1.62 +{
    1.63 +    GdkDisplay *display = gtk_widget_get_display(win->video);
    1.64 +    GdkScreen *screen = gtk_widget_get_screen(win->video);
    1.65 +    int x,y;
    1.66 +    int width, height;
    1.67 +
    1.68 +    gdk_window_get_origin(win->video->window, &x, &y);
    1.69 +    gdk_drawable_get_size(GDK_DRAWABLE(win->video->window), &width, &height);
    1.70 +    x += width / 2;
    1.71 +    y += height / 2;
    1.72 +
    1.73 +    gdk_display_warp_pointer( display, screen, x, y );
    1.74 +    win->mouse_x = width/2;
    1.75 +    win->mouse_y = height/2;
    1.76 +}
    1.77 +
    1.78 +/**
    1.79 + * Grab the keyboard and mouse for the display. The mouse cursor is hidden and
    1.80 + * moved to the centre of the window.
    1.81 + *
    1.82 + * @param win The window receiving the grab
    1.83 + * @return TRUE if the grab was successful, FALSE on failure.
    1.84 + */
    1.85 +gboolean video_window_grab_display( main_window_t win )
    1.86 +{
    1.87 +    GdkWindow *gdkwin = win->video->window;
    1.88 +    GdkColor color = { 0,0,0,0 };
    1.89 +    char bytes[32]; /* 16 * 16 / 8 */
    1.90 +    memset(bytes, 0, 32);
    1.91 +    GdkPixmap *pixmap = gdk_bitmap_create_from_data(NULL, bytes, 16, 16);
    1.92 +    GdkCursor *cursor = gdk_cursor_new_from_pixmap(pixmap, pixmap, &color, &color, 16, 16);
    1.93 +    gdk_pixmap_unref(pixmap);
    1.94 +
    1.95 +    gboolean success =
    1.96 +        gdk_pointer_grab( gdkwin, FALSE, 
    1.97 +                GDK_POINTER_MOTION_MASK|GDK_BUTTON_PRESS_MASK|GDK_BUTTON_RELEASE_MASK, 
    1.98 +                gdkwin, cursor, GDK_CURRENT_TIME ) == GDK_GRAB_SUCCESS;
    1.99 +    gdk_cursor_unref(cursor);
   1.100 +    if( success ) {
   1.101 +        success = gdk_keyboard_grab( gdkwin, FALSE, GDK_CURRENT_TIME ) == GDK_GRAB_SUCCESS;
   1.102 +        if( !success ) {
   1.103 +            gdk_pointer_ungrab(GDK_CURRENT_TIME);
   1.104 +        }
   1.105 +    }
   1.106 +    win->is_grabbed = success;
   1.107 +    main_window_set_running(win, dreamcast_is_running());
   1.108 +    return success;
   1.109 +}
   1.110 +
   1.111 +/**
   1.112 + * Release the display grab.
   1.113 + */
   1.114 +void video_window_ungrab_display( main_window_t win )
   1.115 +{
   1.116 +    gdk_pointer_ungrab(GDK_CURRENT_TIME);
   1.117 +    gdk_keyboard_ungrab(GDK_CURRENT_TIME);
   1.118 +    win->is_grabbed = FALSE;
   1.119 +    main_window_set_running(win, dreamcast_is_running());
   1.120 +}
   1.121 +
   1.122 +static gboolean on_video_window_mouse_motion( GtkWidget *widget, GdkEventMotion *event,
   1.123 +                                              gpointer user_data )
   1.124 +{
   1.125 +    main_window_t win = (main_window_t)user_data;
   1.126 +    int32_t x = (int32_t)event->x;
   1.127 +    int32_t y = (int32_t)event->y;
   1.128 +    if( win->is_grabbed && 
   1.129 +            (x != win->mouse_x || y != win->mouse_y) ) {
   1.130 +        uint32_t buttons = (event->state >> 8)&0x1F;
   1.131 +        input_event_mouse( buttons, x - win->mouse_x, y - win->mouse_y );
   1.132 +        video_window_center_pointer(win);
   1.133 +    }
   1.134 +    return TRUE;
   1.135 +}
   1.136 +
   1.137 +static gboolean on_video_window_mouse_pressed( GtkWidget *widget, GdkEventButton *event,
   1.138 +                                               gpointer user_data )
   1.139 +{
   1.140 +    main_window_t win = (main_window_t)user_data;
   1.141 +    if( win->is_grabbed ) {
   1.142 +        // Get the buttons from the event state, and remove the released button
   1.143 +        uint32_t buttons = ((event->state >> 8) & 0x1F) | (1<<(event->button-1));
   1.144 +        input_event_mouse( buttons, 0, 0 );
   1.145 +    }
   1.146 +    return TRUE;
   1.147 +}
   1.148 +
   1.149 +static gboolean on_video_window_mouse_released( GtkWidget *widget, GdkEventButton *event,
   1.150 +                                                gpointer user_data )
   1.151 +{
   1.152 +    main_window_t win = (main_window_t)user_data;
   1.153 +    if( win->is_grabbed ) {
   1.154 +        // Get the buttons from the event state, and remove the released button
   1.155 +        uint32_t buttons = ((event->state >> 8) & 0x1F) & (~(1<<(event->button-1)));
   1.156 +        input_event_mouse( buttons, 0, 0 );
   1.157 +    } else if( win->use_grab) {
   1.158 +        video_window_grab_display(win);
   1.159 +    }
   1.160 +    return TRUE;
   1.161 +}
   1.162 +
   1.163 +static gboolean on_video_window_key_pressed( GtkWidget *widget, GdkEventKey *event,
   1.164 +                                             gpointer user_data )
   1.165 +{
   1.166 +    main_window_t win = (main_window_t)user_data;
   1.167 +    if( win->is_grabbed ) {
   1.168 +#ifdef HAVE_GTK_OSX
   1.169 +        /* On OSX, use the command key rather than ctrl-alt. Mainly because GTK/OSX 
   1.170 +         * doesn't seem to be able to get ctrl-alt reliably 
   1.171 +         **/
   1.172 +        if( event->keyval == GDK_Meta_L || event->keyval == GDK_Meta_R ) {
   1.173 +            video_window_ungrab_display(win);
   1.174 +            return TRUE;
   1.175 +        }
   1.176 +#else    	
   1.177 +        /* Check for ungrab key combo (ctrl-alt). Unfortunately GDK sends it as
   1.178 +         * a singly-modified keypress rather than a double-modified 'null' press, 
   1.179 +         * so we have to do a little more work.
   1.180 +         * Only check Ctrl/Shift/Alt for state - don't want to check numlock/capslock/
   1.181 +         * mouse buttons/etc
   1.182 +         */
   1.183 +        int mod = gdk_keycode_to_modifier(gtk_widget_get_display(widget), event->hardware_keycode);
   1.184 +        int state = event->state & gtk_accelerator_get_default_mod_mask();
   1.185 +        if( (state == GDK_CONTROL_MASK && mod == GDK_MOD1_MASK) ||
   1.186 +                (state == GDK_MOD1_MASK && mod == GDK_CONTROL_MASK) ) {
   1.187 +            video_window_ungrab_display(win);
   1.188 +            // Consume the keypress, DC doesn't get it.
   1.189 +            return TRUE;
   1.190 +        }
   1.191 +#endif
   1.192 +    }
   1.193 +    input_event_keydown( NULL, gtk_get_unmodified_keyval(event), 1 );
   1.194 +    return TRUE;
   1.195 +}
   1.196 +
   1.197 +static gboolean on_video_window_key_released( GtkWidget *widget, GdkEventKey *event,
   1.198 +                                              gpointer user_data )
   1.199 +{
   1.200 +    input_event_keyup( NULL, gtk_get_unmodified_keyval(event), 0 );
   1.201 +    return TRUE;
   1.202 +}
   1.203 +
   1.204 +static gboolean on_video_window_focus_changed( GtkWidget *widget, GdkEventFocus *event,
   1.205 +                                               gpointer user_data )
   1.206 +{
   1.207 +    display_set_focused(event->in);
   1.208 +    return TRUE;
   1.209 +}
   1.210 +
   1.211 +/*************************** Main window (frame) ******************************/
   1.212 +
   1.213 +static gboolean on_main_window_deleted( GtkWidget *widget, GdkEvent event, gpointer user_data )
   1.214 +{
   1.215 +    dreamcast_shutdown();
   1.216 +    exit(0);
   1.217 +}
   1.218 +
   1.219 +static void on_main_window_state_changed( GtkWidget *widget, GdkEventWindowState *state, 
   1.220 +                                          gpointer userdata )
   1.221 +{
   1.222 +    main_window_t win = (main_window_t)userdata;
   1.223 +    if( state->changed_mask & GDK_WINDOW_STATE_FULLSCREEN ) {
   1.224 +        gboolean fs = (state->new_window_state & GDK_WINDOW_STATE_FULLSCREEN);
   1.225 +        GtkWidget *frame = gtk_widget_get_parent(win->video);
   1.226 +        if( frame->style == NULL ) {
   1.227 +            gtk_widget_set_style( frame, gtk_style_new() );
   1.228 +        }
   1.229 +        if( fs ) {
   1.230 +            gtk_widget_hide( win->menubar );
   1.231 +            gtk_widget_hide( win->toolbar );
   1.232 +            gtk_widget_hide( win->statusbar );
   1.233 +
   1.234 +            frame->style->xthickness = 0;
   1.235 +            frame->style->ythickness = 0;
   1.236 +        } else {
   1.237 +            frame->style->xthickness = 2;
   1.238 +            frame->style->ythickness = 2;
   1.239 +            gtk_widget_show( win->menubar );
   1.240 +            gtk_widget_show( win->toolbar );
   1.241 +            gtk_widget_show( win->statusbar );
   1.242 +        }
   1.243 +        gtk_widget_queue_draw( win->window );
   1.244 +    }
   1.245 +}
   1.246 +
   1.247 +main_window_t main_window_new( const gchar *title, GtkWidget *menubar, GtkWidget *toolbar,
   1.248 +                               GtkAccelGroup *accel_group )
   1.249 +{
   1.250 +    GtkWidget *vbox;
   1.251 +    GtkWidget *frame;
   1.252 +    main_window_t win = g_malloc0( sizeof(struct main_window_info) );
   1.253 +
   1.254 +    win->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
   1.255 +    win->menubar = menubar;
   1.256 +    win->toolbar = toolbar;
   1.257 +    win->use_grab = FALSE;
   1.258 +    win->is_grabbed = FALSE;
   1.259 +    gtk_window_set_title( GTK_WINDOW(win->window), title );
   1.260 +    gtk_window_add_accel_group (GTK_WINDOW (win->window), accel_group);
   1.261 +
   1.262 +    gtk_toolbar_set_style( GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS );
   1.263 +
   1.264 +    win->video = video_gtk_create_drawable();
   1.265 +    gtk_widget_set_size_request( win->video, 640, 480 ); 
   1.266 +    gtk_widget_set_double_buffered( win->video, FALSE );
   1.267 +    frame = gtk_frame_new(NULL);
   1.268 +    gtk_frame_set_shadow_type( GTK_FRAME(frame), GTK_SHADOW_IN );
   1.269 +    gtk_container_add( GTK_CONTAINER(frame), win->video );
   1.270 +
   1.271 +    win->statusbar = gtk_statusbar_new();
   1.272 +
   1.273 +    vbox = gtk_vbox_new(FALSE, 0);
   1.274 +    gtk_container_add( GTK_CONTAINER(win->window), vbox );
   1.275 +    gtk_box_pack_start( GTK_BOX(vbox), menubar, FALSE, FALSE, 0 );
   1.276 +    gtk_box_pack_start( GTK_BOX(vbox), toolbar, FALSE, FALSE, 0 );
   1.277 +    gtk_box_pack_start( GTK_BOX(vbox), frame, TRUE, TRUE, 0 );
   1.278 +    gtk_box_pack_start( GTK_BOX(vbox), win->statusbar, FALSE, FALSE, 0 );
   1.279 +    gtk_widget_show_all( win->window );
   1.280 +    gtk_widget_grab_focus( win->video );
   1.281 +
   1.282 +    gtk_statusbar_push( GTK_STATUSBAR(win->statusbar), 1, "Stopped" );
   1.283 +
   1.284 +    g_signal_connect( win->window, "delete_event", 
   1.285 +                      G_CALLBACK(on_main_window_deleted), win );
   1.286 +    g_signal_connect( win->window, "window-state-event",
   1.287 +                      G_CALLBACK(on_main_window_state_changed), win );
   1.288 +
   1.289 +    g_signal_connect( win->video, "key-press-event",
   1.290 +                      G_CALLBACK(on_video_window_key_pressed), win );
   1.291 +    g_signal_connect( win->video, "key-release-event",
   1.292 +                      G_CALLBACK(on_video_window_key_released), win );
   1.293 +    g_signal_connect( win->video, "motion-notify-event",
   1.294 +                      G_CALLBACK(on_video_window_mouse_motion), win );
   1.295 +    g_signal_connect( win->video, "button-press-event",
   1.296 +                      G_CALLBACK(on_video_window_mouse_pressed), win );
   1.297 +    g_signal_connect( win->video, "button-release-event", 
   1.298 +                      G_CALLBACK(on_video_window_mouse_released), win );
   1.299 +    g_signal_connect( win->video, "focus-in-event",
   1.300 +                      G_CALLBACK(on_video_window_focus_changed), win);
   1.301 +    g_signal_connect( win->video, "focus-out-event",
   1.302 +                      G_CALLBACK(on_video_window_focus_changed), win);
   1.303 +
   1.304 +    gtk_widget_add_events( win->video, 
   1.305 +                           GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
   1.306 +                           GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
   1.307 +                           GDK_POINTER_MOTION_MASK | GDK_FOCUS_CHANGE_MASK );
   1.308 +
   1.309 +    return win;
   1.310 +}
   1.311 +
   1.312 +void main_window_set_status_text( main_window_t win, char *text )
   1.313 +{
   1.314 +    gtk_statusbar_pop( GTK_STATUSBAR(win->statusbar), 1 );
   1.315 +    if( win->is_grabbed ) {
   1.316 +        char buf[128];
   1.317 +#ifdef HAVE_GTK_OSX
   1.318 +        snprintf( buf, sizeof(buf), "%s %s", text, _("(Press <command> to release grab)") );
   1.319 +#else	
   1.320 +        snprintf( buf, sizeof(buf), "%s %s", text, _("(Press <ctrl><alt> to release grab)") );
   1.321 +#endif
   1.322 +        gtk_statusbar_push( GTK_STATUSBAR(win->statusbar), 1, buf );
   1.323 +    } else {
   1.324 +        gtk_statusbar_push( GTK_STATUSBAR(win->statusbar), 1, text );
   1.325 +    }
   1.326 +}
   1.327 +
   1.328 +void main_window_set_running( main_window_t win, gboolean running )
   1.329 +{
   1.330 +    char *text = running ? _("Running") : _("Stopped");
   1.331 +    gtk_gui_enable_action( "Pause", running );
   1.332 +    gtk_gui_enable_action( "Run", !running && dreamcast_can_run() );
   1.333 +    main_window_set_status_text( win, text );
   1.334 +}
   1.335 +
   1.336 +void main_window_set_framerate( main_window_t win, float rate )
   1.337 +{
   1.338 +
   1.339 +
   1.340 +}
   1.341 +
   1.342 +void main_window_set_speed( main_window_t win, double speed )
   1.343 +{
   1.344 +    char buf[32];
   1.345 +
   1.346 +    snprintf( buf, 32, "Running (%2.4f%%)", speed );
   1.347 +    main_window_set_status_text( win, buf );
   1.348 +}
   1.349 +
   1.350 +GtkWidget *main_window_get_renderarea( main_window_t win )
   1.351 +{
   1.352 +    return win->video;
   1.353 +}
   1.354 +
   1.355 +GtkWindow *main_window_get_frame( main_window_t win )
   1.356 +{
   1.357 +    return GTK_WINDOW(win->window);
   1.358 +}
   1.359 +
   1.360 +void main_window_set_fullscreen( main_window_t win, gboolean fullscreen )
   1.361 +{
   1.362 +    if( fullscreen ) {
   1.363 +        gtk_window_fullscreen( GTK_WINDOW(win->window) );
   1.364 +    } else {
   1.365 +        gtk_window_unfullscreen( GTK_WINDOW(win->window) );
   1.366 +    }
   1.367 +}
   1.368 +
   1.369 +void main_window_set_use_grab( main_window_t win, gboolean use_grab )
   1.370 +{
   1.371 +    if( use_grab != win->use_grab ) {
   1.372 +        if( use_grab ) {
   1.373 +            GdkCursor *cursor = gdk_cursor_new( GDK_HAND2 );
   1.374 +            gdk_window_set_cursor( win->video->window, cursor );
   1.375 +            gdk_cursor_unref( cursor );
   1.376 +        } else {
   1.377 +            gdk_window_set_cursor( win->video->window, NULL );
   1.378 +            if( gdk_pointer_is_grabbed() ) {
   1.379 +                video_window_ungrab_display(win);
   1.380 +            }
   1.381 +        }
   1.382 +        win->use_grab = use_grab;
   1.383 +    }
   1.384 +}