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lxdream.org :: lxdream/src/gtkui/gtkui.c
lxdream 0.9.1
released Jun 29
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filename src/gtkui/gtkui.c
changeset 669:ab344e42bca9
prev658:f5926310bfbe
next678:35eb00945316
author nkeynes
date Mon May 12 10:00:13 2008 +0000 (14 years ago)
permissions -rw-r--r--
last change Cleanup most of the -Wall warnings (getting a bit sloppy...)
Convert FP code to use fixed banks rather than indirect pointer
(3-4% faster this way now)
file annotate diff log raw
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/**
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 * $Id$
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 *
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 * Core GTK-based user interface
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 *
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 * Copyright (c) 2005 Nathan Keynes.
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 */
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#include "lxdream.h"
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#include <sys/time.h>
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#include <time.h>
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#include <unistd.h>
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#include <glib/gi18n.h>
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#include <gtk/gtkversion.h>
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#include "dreamcast.h"
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#include "display.h"
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#include "gdrom/gdrom.h"
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#include "gtkui/gtkui.h"
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/* Base GUI clock is 10ms */
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#define GUI_TICK_PERIOD 10000000
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void gtk_gui_start( void );
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void gtk_gui_stop( void );
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void gtk_gui_alloc_resources ( void );
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uint32_t gtk_gui_run_slice( uint32_t nanosecs );
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struct dreamcast_module gtk_gui_module = { "gui", NULL,
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					   gtk_gui_update, 
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					   gtk_gui_start, 
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					   gtk_gui_run_slice, 
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					   gtk_gui_stop, 
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					   NULL, NULL };
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/**
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 * Single-instance windows (at most one)
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 */
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static main_window_t main_win = NULL;
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static debug_window_t debug_win = NULL;
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static mmio_window_t mmio_win = NULL;
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/**
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 * UIManager and action helpers
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 */
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static GtkUIManager *global_ui_manager;
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static GtkActionGroup *global_action_group;
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/**
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 * Count of running nanoseconds - used to cut back on the GUI runtime
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 */
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static uint32_t gtk_gui_nanos = 0;
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static uint32_t gtk_gui_ticks = 0;
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static struct timeval gtk_gui_lasttv;
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static gboolean gtk_gui_init_ok = FALSE;
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#define ENABLE_ACTION(win,name) SET_ACTION_ENABLED(win,name,TRUE)
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#define DISABLE_ACTION(win,name) SET_ACTION_ENABLED(win,name,FALSE)
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// UI Actions
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static const GtkActionEntry ui_actions[] = {
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    { "FileMenu", NULL, N_("_File") },
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    { "SettingsMenu", NULL, N_("_Settings") },
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    { "HelpMenu", NULL, N_("_Help") },
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    { "LoadBinary", NULL, N_("Load _Binary..."), NULL, N_("Load and run a program binary"), G_CALLBACK(load_binary_action_callback) },
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    { "Reset", GTK_STOCK_REFRESH, N_("_Reset"), "<control>R", N_("Reset dreamcast"), G_CALLBACK(reset_action_callback) },
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    { "Pause", GTK_STOCK_MEDIA_PAUSE, N_("_Pause"), NULL, N_("Pause dreamcast"), G_CALLBACK(pause_action_callback) },
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    { "Run", GTK_STOCK_MEDIA_PLAY, N_("Resume"), NULL, N_("Resume"), G_CALLBACK(resume_action_callback) },
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    { "LoadState", GTK_STOCK_REVERT_TO_SAVED, N_("_Load state..."), "F4", N_("Load an lxdream save state"), G_CALLBACK(load_state_action_callback) },
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    { "SaveState", GTK_STOCK_SAVE_AS, N_("_Save state..."), "F3", N_("Create an lxdream save state"), G_CALLBACK(save_state_action_callback) },
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    { "Exit", GTK_STOCK_QUIT, N_("E_xit"), NULL, N_("Exit lxdream"), G_CALLBACK(exit_action_callback) },
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    { "GdromSettings", NULL, N_("_GD-Rom...") },
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    { "GdromUnmount", NULL, N_("_Empty") },
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    { "GdromMount", GTK_STOCK_CDROM, N_("_Open Image..."), "<control>O", N_("Mount a cdrom disc"), G_CALLBACK(mount_action_callback) },
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    { "PathSettings", NULL, N_("_Paths..."), NULL, N_("Configure files and paths"), G_CALLBACK(path_settings_callback) }, 
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    { "AudioSettings", NULL, N_("_Audio..."), NULL, N_("Configure audio output"), G_CALLBACK(audio_settings_callback) },
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    { "ControllerSettings", NULL, N_("_Controllers..."), NULL, N_("Configure controllers"), G_CALLBACK(maple_settings_callback) },
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    { "NetworkSettings", NULL, N_("_Network..."), NULL, N_("Configure network settings"), G_CALLBACK(network_settings_callback) },
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    { "VideoSettings", NULL, N_("_Video..."), NULL,N_( "Configure video output"), G_CALLBACK(video_settings_callback) },
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    { "About", GTK_STOCK_ABOUT, N_("_About..."), NULL, N_("About lxdream"), G_CALLBACK(about_action_callback) },
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    { "DebugMenu", NULL, N_("_Debug") },
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    { "Debugger", NULL, N_("_Debugger"), NULL, N_("Open debugger window"), G_CALLBACK(debugger_action_callback) },
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    { "DebugMem", NULL, N_("View _Memory"), NULL, N_("View memory dump"), G_CALLBACK(debug_memory_action_callback) },
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    { "DebugMmio", NULL, N_("View IO _Registers"), NULL, N_("View MMIO Registers"), G_CALLBACK(debug_mmio_action_callback) },
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    { "SaveScene", NULL, N_("_Save Scene"), NULL, N_("Save next rendered scene"), G_CALLBACK(save_scene_action_callback) },
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    { "SingleStep", GTK_STOCK_REDO, N_("_Single Step"), NULL, N_("Single step"), G_CALLBACK(debug_step_action_callback) },
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    { "RunTo", GTK_STOCK_GOTO_LAST, N_("Run _To"), NULL, N_("Run to"), G_CALLBACK( debug_runto_action_callback) },
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    { "SetBreakpoint", GTK_STOCK_CLOSE, N_("_Breakpoint"), NULL, N_("Toggle breakpoint"), G_CALLBACK( debug_breakpoint_action_callback) }
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};
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static const GtkToggleActionEntry ui_toggle_actions[] = {
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    { "FullScreen", NULL, "_Full Screen", "<alt>Return", "Toggle full screen video", G_CALLBACK(fullscreen_toggle_callback), 0 },
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};
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// Menus and toolbars
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static const char *ui_description =
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    "<ui>"
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    " <menubar name='MainMenu'>"
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    "  <menu action='FileMenu'>"
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    "   <menuitem action='LoadBinary'/>"
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    "   <menuitem action='GdromSettings'/>"
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    "   <separator/>"
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    "   <menuitem action='Reset'/>"
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    "   <menuitem action='Pause'/>"
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    "   <menuitem action='Run'/>"
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    "   <menuitem action='Debugger'/>"
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    "   <separator/>"
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    "   <menuitem action='LoadState'/>"
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    "   <menuitem action='SaveState'/>"
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    "   <separator/>"
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    "   <menuitem action='Exit'/>"
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    "  </menu>"
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    "  <menu action='SettingsMenu'>"
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    "   <menuitem action='PathSettings'/>"
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    "   <menuitem action='AudioSettings'/>"
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    "   <menuitem action='ControllerSettings'/>"
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    "   <menuitem action='NetworkSettings'/>"
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    "   <menuitem action='VideoSettings'/>"
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    "   <separator/>"
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    "   <menuitem action='FullScreen'/>"
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    "  </menu>"
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    "  <menu action='HelpMenu'>"
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    "   <menuitem action='About'/>"
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    "  </menu>"
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    " </menubar>"
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    " <toolbar name='MainToolbar'>"
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    "  <toolitem action='GdromMount'/>"
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    "  <toolitem action='Reset'/>"
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    "  <toolitem action='Pause'/>"
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    "  <toolitem action='Run'/>"
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    "  <separator/>"
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    "  <toolitem action='LoadState'/>"
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    "  <toolitem action='SaveState'/>"
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    " </toolbar>"
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    " <menubar name='DebugMenu'>"
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    "  <menu action='FileMenu'>"
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    "   <menuitem action='GdromSettings'/>"
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    "   <separator/>"
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    "   <menuitem action='Reset'/>"
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    "   <separator/>"
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    "   <menuitem action='LoadState'/>"
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    "   <menuitem action='SaveState'/>"
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    "   <separator/>"
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    "   <menuitem action='Exit'/>"
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    "  </menu>"
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    "  <menu action='DebugMenu'>"
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    "   <menuitem action='DebugMem'/>"
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    "   <menuitem action='DebugMmio'/>"
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    "   <menuitem action='SaveScene'/>"
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    "   <separator/>"
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    "   <menuitem action='SetBreakpoint'/>"
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    "   <menuitem action='Pause'/>"
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    "   <menuitem action='SingleStep'/>"
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    "   <menuitem action='RunTo'/>"
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    "   <menuitem action='Run'/>"
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    "  </menu>"
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    "  <menu action='SettingsMenu'>"
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    "   <menuitem action='PathSettings'/>"
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    "   <menuitem action='AudioSettings'/>"
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    "   <menuitem action='ControllerSettings'/>"
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    "   <menuitem action='NetworkSettings'/>"
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    "   <menuitem action='VideoSettings'/>"
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    "   <separator/>"
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    "   <menuitem action='FullScreen'/>"
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    "  </menu>"
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    "  <menu action='HelpMenu'>"
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    "   <menuitem action='About'/>"
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    "  </menu>"
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    " </menubar>"
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    " <toolbar name='DebugToolbar'>"
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    "  <toolitem action='GdromMount'/>"
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    "  <toolitem action='Reset'/>"
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    "  <toolitem action='Pause'/>"
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    "  <separator/>"
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    "  <toolitem action='SingleStep'/>"
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    "  <toolitem action='RunTo'/>"
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    "  <toolitem action='Run'/>"
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    "  <toolitem action='SetBreakpoint'/>"
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    "  <separator/>"
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    "  <toolitem action='LoadState'/>"
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    "  <toolitem action='SaveState'/>"
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    " </toolbar>"
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    "</ui>";
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gboolean gui_parse_cmdline( int *argc, char **argv[] )
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{
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    gtk_gui_init_ok = gtk_init_check( argc, argv );
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    return gtk_gui_init_ok;
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}
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gboolean gui_init( gboolean withDebug )
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{
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    if( gtk_gui_init_ok ) {
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	GError *error = NULL;
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	dreamcast_register_module( &gtk_gui_module );
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	gtk_gui_alloc_resources();
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	global_action_group = gtk_action_group_new("MenuActions");
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	gtk_action_group_set_translation_domain( global_action_group, NULL );
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	gtk_action_group_add_actions( global_action_group, ui_actions, G_N_ELEMENTS(ui_actions), NULL );
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	gtk_action_group_add_toggle_actions( global_action_group, ui_toggle_actions, G_N_ELEMENTS(ui_toggle_actions), NULL );
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	gtk_gui_enable_action("AudioSettings", FALSE);
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	gtk_gui_enable_action("NetworkSettings", FALSE);
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	gtk_gui_enable_action("VideoSettings", FALSE);
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	global_ui_manager = gtk_ui_manager_new();
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	gtk_ui_manager_set_add_tearoffs(global_ui_manager, TRUE);
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	gtk_ui_manager_insert_action_group( global_ui_manager, global_action_group, 0 );
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	if (!gtk_ui_manager_add_ui_from_string (global_ui_manager, ui_description, -1, &error)) {
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	    g_message ("building menus failed: %s", error->message);
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	    g_error_free (error);
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	    exit(1);
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	}
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	GtkAccelGroup *accel_group = gtk_ui_manager_get_accel_group (global_ui_manager);
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	GtkWidget *menubar = gtk_ui_manager_get_widget(global_ui_manager, "/MainMenu");
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	GtkWidget *toolbar = gtk_ui_manager_get_widget(global_ui_manager, "/MainToolbar");
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	GtkWidget *gdrommenuitem = gtk_ui_manager_get_widget(global_ui_manager, "/MainMenu/FileMenu/GdromSettings");
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	gdrom_menu_init();
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	GtkWidget *gdrommenu = gdrom_menu_new();
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	gtk_menu_item_set_submenu( GTK_MENU_ITEM(gdrommenuitem), gdrommenu );
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	main_win = main_window_new( APP_NAME " " APP_VERSION, menubar, toolbar, accel_group  );
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	main_window_set_use_grab(main_win, TRUE);
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	if( withDebug ) {
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	    gtk_gui_show_debugger();
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	}
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	return TRUE;
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    } else {
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	return FALSE;
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    }
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}
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void gui_main_loop(void)
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{
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    gtk_gui_update();
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    gtk_main();
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}
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void gui_update_state(void)
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{
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    gtk_gui_update();
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}
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gboolean gui_error_dialog( const char *msg, ... )
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{
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    if( main_win != NULL ) {
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	va_list args;
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	GtkWidget *dialog = 
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	    gtk_message_dialog_new( main_window_get_frame(main_win), GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT,
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				    GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, NULL );
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	va_start(args, msg);
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	gchar *markup = g_markup_vprintf_escaped( msg, args );
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	va_end( args );
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	gtk_message_dialog_set_markup( GTK_MESSAGE_DIALOG(dialog), markup );
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	g_free(markup);
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	gtk_dialog_run(GTK_DIALOG(dialog));
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	gtk_widget_destroy(dialog);
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	return TRUE;
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    }
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    return FALSE;
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}
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void gui_update_io_activity( io_activity_type io, gboolean active )
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{
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}
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void gtk_gui_show_debugger()
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{
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    if( debug_win ) {
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	debug_window_show(debug_win, TRUE);
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    } else {
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	GtkAccelGroup *accel_group = gtk_ui_manager_get_accel_group (global_ui_manager);
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	GtkWidget *menubar = gtk_ui_manager_get_widget(global_ui_manager, "/DebugMenu");
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	GtkWidget *toolbar = gtk_ui_manager_get_widget(global_ui_manager, "/DebugToolbar");
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	GtkWidget *gdrommenuitem = gtk_ui_manager_get_widget(global_ui_manager, "/DebugMenu/FileMenu/GdromSettings");
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	GtkWidget *gdrommenu = gdrom_menu_new();
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	gtk_menu_item_set_submenu( GTK_MENU_ITEM(gdrommenuitem), gdrommenu );
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	gchar *title = g_strdup_printf( APP_NAME " " APP_VERSION " :: %s", _("Debugger"));
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	debug_win = debug_window_new( title, menubar, toolbar, accel_group  );
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	g_free(title);
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    }
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}
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void gtk_gui_show_mmio()
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{
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    if( mmio_win ) {
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	mmio_window_show(mmio_win, TRUE);
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    } else {
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	gchar *title = g_strdup_printf( APP_NAME " " APP_VERSION " :: %s", _("MMIO Registers"));
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	mmio_win = mmio_window_new( title );
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	g_free(title);
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    }
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}
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main_window_t gtk_gui_get_main()
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{
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    return main_win;
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}
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   313
debug_window_t gtk_gui_get_debugger()
nkeynes@455
   314
{
nkeynes@455
   315
    return debug_win;
nkeynes@455
   316
}
nkeynes@455
   317
nkeynes@455
   318
mmio_window_t gtk_gui_get_mmio()
nkeynes@455
   319
{
nkeynes@455
   320
    return mmio_win;
nkeynes@455
   321
}
nkeynes@435
   322
nkeynes@435
   323
/**
nkeynes@435
   324
 * Hook called when DC starts running. Just disables the run/step buttons
nkeynes@435
   325
 * and enables the stop button.
nkeynes@435
   326
 */
nkeynes@435
   327
void gtk_gui_start( void )
nkeynes@435
   328
{
nkeynes@435
   329
    main_window_set_running( main_win, TRUE );
nkeynes@435
   330
    if( debug_win != NULL ) {
nkeynes@435
   331
	debug_window_set_running( debug_win, TRUE );
nkeynes@435
   332
    }
nkeynes@437
   333
    gtk_gui_nanos = 0;
nkeynes@437
   334
    gettimeofday(&gtk_gui_lasttv,NULL);
nkeynes@435
   335
}
nkeynes@435
   336
nkeynes@435
   337
/**
nkeynes@435
   338
 * Hook called when DC stops running. Enables the run/step buttons
nkeynes@435
   339
 * and disables the stop button.
nkeynes@435
   340
 */
nkeynes@435
   341
void gtk_gui_stop( void )
nkeynes@435
   342
{
nkeynes@435
   343
    main_window_set_running( main_win, FALSE );
nkeynes@435
   344
    gtk_gui_update();
nkeynes@435
   345
}
nkeynes@435
   346
nkeynes@435
   347
void gtk_gui_update( void )
nkeynes@435
   348
{
nkeynes@546
   349
    if( global_action_group ) {
nkeynes@546
   350
	gtk_gui_enable_action("Run", dreamcast_can_run() && !dreamcast_is_running() );
nkeynes@546
   351
	gtk_gui_enable_action("Pause", dreamcast_is_running() );
nkeynes@546
   352
    }
nkeynes@435
   353
    if( debug_win ) {
nkeynes@435
   354
	debug_window_set_running( debug_win, FALSE );
nkeynes@435
   355
	debug_window_update(debug_win);
nkeynes@435
   356
    }
nkeynes@435
   357
    if( mmio_win ) {
nkeynes@457
   358
	mmio_window_update(mmio_win);
nkeynes@435
   359
    }
nkeynes@455
   360
    dump_window_update_all();
nkeynes@435
   361
}
nkeynes@435
   362
nkeynes@435
   363
/**
nkeynes@622
   364
 * Module run-slice. Run the event loop 100 times/second (doesn't really need to be
nkeynes@622
   365
 * any more often than this), and update the speed display 10 times/second. 
nkeynes@622
   366
 *
nkeynes@622
   367
 * Also detect if we're running too fast here and yield for a bit
nkeynes@435
   368
 */
nkeynes@435
   369
uint32_t gtk_gui_run_slice( uint32_t nanosecs ) 
nkeynes@435
   370
{
nkeynes@435
   371
    gtk_gui_nanos += nanosecs;
nkeynes@622
   372
    if( gtk_gui_nanos > GUI_TICK_PERIOD ) { /* 10 ms */
nkeynes@622
   373
	gtk_gui_nanos -= GUI_TICK_PERIOD;
nkeynes@622
   374
	gtk_gui_ticks ++;
nkeynes@622
   375
	uint32_t current_period = gtk_gui_ticks * GUI_TICK_PERIOD;
nkeynes@622
   376
nkeynes@622
   377
	// Run the event loop
nkeynes@622
   378
	while( gtk_events_pending() )
nkeynes@622
   379
	    gtk_main_iteration();	
nkeynes@622
   380
nkeynes@437
   381
	struct timeval tv;
nkeynes@437
   382
	gettimeofday(&tv,NULL);
nkeynes@622
   383
	uint32_t ns = ((tv.tv_sec - gtk_gui_lasttv.tv_sec) * 1000000000) + 
nkeynes@622
   384
	    (tv.tv_usec - gtk_gui_lasttv.tv_usec)*1000;
nkeynes@622
   385
	if( (ns * 1.05) < current_period ) {
nkeynes@622
   386
	    // We've gotten ahead - sleep for a little bit
nkeynes@622
   387
	    struct timespec tv;
nkeynes@622
   388
	    tv.tv_sec = 0;
nkeynes@622
   389
	    tv.tv_nsec = current_period - ns;
nkeynes@622
   390
	    nanosleep(&tv, &tv);
nkeynes@622
   391
	}
nkeynes@622
   392
nkeynes@622
   393
	/* Update the display every 10 ticks (ie 10 times a second) and 
nkeynes@622
   394
	 * save the current tv value */
nkeynes@622
   395
	if( gtk_gui_ticks > 10 ) {
nkeynes@622
   396
	    gtk_gui_ticks -= 10;
nkeynes@622
   397
	    
nkeynes@622
   398
	    double speed = (float)( (double)current_period * 100.0 / ns );
nkeynes@622
   399
	    gtk_gui_lasttv.tv_sec = tv.tv_sec;
nkeynes@622
   400
	    gtk_gui_lasttv.tv_usec = tv.tv_usec;
nkeynes@622
   401
	    main_window_set_speed( main_win, speed );
nkeynes@622
   402
	}
nkeynes@435
   403
    }
nkeynes@435
   404
    return nanosecs;
nkeynes@435
   405
}
nkeynes@435
   406
nkeynes@435
   407
nkeynes@435
   408
PangoFontDescription *gui_fixed_font;
nkeynes@435
   409
GdkColor gui_colour_normal, gui_colour_changed, gui_colour_error;
nkeynes@435
   410
GdkColor gui_colour_warn, gui_colour_pc, gui_colour_debug;
nkeynes@435
   411
GdkColor gui_colour_trace, gui_colour_break, gui_colour_temp_break;
nkeynes@435
   412
GdkColor gui_colour_white;
nkeynes@435
   413
nkeynes@435
   414
void gtk_gui_alloc_resources() {
nkeynes@435
   415
    GdkColormap *map;
nkeynes@435
   416
nkeynes@435
   417
    gui_colour_normal.red = gui_colour_normal.green = gui_colour_normal.blue = 0;
nkeynes@435
   418
    gui_colour_changed.red = gui_colour_changed.green = 64*256;
nkeynes@435
   419
    gui_colour_changed.blue = 154*256;
nkeynes@435
   420
    gui_colour_error.red = 65535;
nkeynes@435
   421
    gui_colour_error.green = gui_colour_error.blue = 64*256;
nkeynes@435
   422
    gui_colour_pc.red = 32*256;
nkeynes@435
   423
    gui_colour_pc.green = 170*256;
nkeynes@435
   424
    gui_colour_pc.blue = 52*256;
nkeynes@435
   425
    gui_colour_warn = gui_colour_changed;
nkeynes@435
   426
    gui_colour_trace.red = 156*256;
nkeynes@435
   427
    gui_colour_trace.green = 78*256;
nkeynes@435
   428
    gui_colour_trace.blue = 201*256;
nkeynes@435
   429
    gui_colour_debug = gui_colour_pc;
nkeynes@435
   430
    gui_colour_break.red = 65535;
nkeynes@435
   431
    gui_colour_break.green = gui_colour_break.blue = 192*256;
nkeynes@435
   432
    gui_colour_temp_break.red = gui_colour_temp_break.green = 128*256;
nkeynes@435
   433
    gui_colour_temp_break.blue = 32*256;
nkeynes@435
   434
    gui_colour_white.red = gui_colour_white.green = gui_colour_white.blue = 65535;
nkeynes@435
   435
nkeynes@435
   436
    map = gdk_colormap_new(gdk_visual_get_best(), TRUE);
nkeynes@435
   437
    gdk_colormap_alloc_color(map, &gui_colour_normal, TRUE, TRUE);
nkeynes@435
   438
    gdk_colormap_alloc_color(map, &gui_colour_changed, TRUE, TRUE);
nkeynes@435
   439
    gdk_colormap_alloc_color(map, &gui_colour_error, TRUE, TRUE);
nkeynes@435
   440
    gdk_colormap_alloc_color(map, &gui_colour_warn, TRUE, TRUE);
nkeynes@435
   441
    gdk_colormap_alloc_color(map, &gui_colour_pc, TRUE, TRUE);
nkeynes@435
   442
    gdk_colormap_alloc_color(map, &gui_colour_debug, TRUE, TRUE);
nkeynes@435
   443
    gdk_colormap_alloc_color(map, &gui_colour_trace, TRUE, TRUE);
nkeynes@435
   444
    gdk_colormap_alloc_color(map, &gui_colour_break, TRUE, TRUE);
nkeynes@435
   445
    gdk_colormap_alloc_color(map, &gui_colour_temp_break, TRUE, TRUE);
nkeynes@435
   446
    gdk_colormap_alloc_color(map, &gui_colour_white, TRUE, TRUE);
nkeynes@435
   447
    gui_fixed_font = pango_font_description_from_string("Courier 10");
nkeynes@435
   448
}
nkeynes@450
   449
nkeynes@455
   450
gint gtk_gui_run_property_dialog( const gchar *title, GtkWidget *panel, gtk_dialog_done_fn fn )
nkeynes@450
   451
{
nkeynes@450
   452
    GtkWidget *dialog =
nkeynes@450
   453
	gtk_dialog_new_with_buttons(title, main_window_get_frame(main_win), 
nkeynes@450
   454
				    GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT,
nkeynes@450
   455
				    GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
nkeynes@450
   456
				    GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
nkeynes@450
   457
				    NULL);
nkeynes@450
   458
    gint result;
nkeynes@450
   459
    gtk_widget_show_all(panel);
nkeynes@450
   460
    gtk_container_add( GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), panel );
nkeynes@450
   461
    result = gtk_dialog_run( GTK_DIALOG(dialog) );
nkeynes@455
   462
    if( fn != NULL ) {
nkeynes@455
   463
	fn(panel, result == GTK_RESPONSE_ACCEPT);
nkeynes@455
   464
    }
nkeynes@450
   465
    gtk_widget_destroy( dialog );
nkeynes@450
   466
    return result;
nkeynes@450
   467
}
nkeynes@455
   468
nkeynes@455
   469
void gtk_gui_enable_action( const gchar *action, gboolean enable )
nkeynes@455
   470
{
nkeynes@455
   471
    gtk_action_set_sensitive( gtk_action_group_get_action( global_action_group, action), enable);
nkeynes@455
   472
}
nkeynes@477
   473
nkeynes@477
   474
static void delete_frame_buffer( guchar *pixels, gpointer buffer )
nkeynes@477
   475
{
nkeynes@477
   476
    if( buffer != NULL ) {
nkeynes@477
   477
	g_free(buffer);
nkeynes@477
   478
    }
nkeynes@477
   479
}
nkeynes@477
   480
nkeynes@477
   481
GdkPixbuf *gdk_pixbuf_new_from_frame_buffer( frame_buffer_t buffer )
nkeynes@477
   482
{
nkeynes@480
   483
    return gdk_pixbuf_new_from_data( (unsigned char *)buffer->data, 
nkeynes@477
   484
				     GDK_COLORSPACE_RGB,
nkeynes@477
   485
				     (buffer->colour_format == COLFMT_BGRA8888),
nkeynes@477
   486
				     8,
nkeynes@477
   487
				     buffer->width,
nkeynes@477
   488
				     buffer->height,
nkeynes@477
   489
				     buffer->rowstride,
nkeynes@477
   490
				     delete_frame_buffer,
nkeynes@477
   491
				     buffer );
nkeynes@477
   492
}
nkeynes@608
   493
nkeynes@608
   494
/**
nkeynes@608
   495
 * Extract the keyval of the key event if no modifier keys were pressed -
nkeynes@608
   496
 * in other words get the keyval of the key by itself. The other way around
nkeynes@608
   497
 * would be to use the hardware keysyms directly rather than the keyvals,
nkeynes@608
   498
 * but the mapping looks to be messier.
nkeynes@608
   499
 */
nkeynes@608
   500
uint16_t gtk_get_unmodified_keyval( GdkEventKey *event )
nkeynes@608
   501
{
nkeynes@608
   502
    GdkKeymap *keymap = gdk_keymap_get_default();
nkeynes@608
   503
    guint keyval;
nkeynes@608
   504
    
nkeynes@608
   505
    gdk_keymap_translate_keyboard_state( keymap, event->hardware_keycode, 0, 0, &keyval, 
nkeynes@608
   506
					 NULL, NULL, NULL );
nkeynes@608
   507
    return keyval;
nkeynes@608
   508
}
nkeynes@608
   509
nkeynes@630
   510
gchar *get_absolute_path( const gchar *in_path )
nkeynes@630
   511
{
nkeynes@630
   512
    char tmp[PATH_MAX];
nkeynes@630
   513
    if( in_path == NULL ) {
nkeynes@630
   514
	return NULL;
nkeynes@630
   515
    }
nkeynes@630
   516
    if( in_path[0] == '/' || in_path[0] == 0 ) {
nkeynes@630
   517
	return g_strdup(in_path);
nkeynes@630
   518
    } else {
nkeynes@630
   519
	getcwd(tmp, sizeof(tmp));
nkeynes@630
   520
	return g_strdup_printf("%s%c%s", tmp, G_DIR_SEPARATOR, in_path);
nkeynes@630
   521
    }
nkeynes@630
   522
}
nkeynes@630
   523
.