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hvirtual/guicast/bcwindowbase.h

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00001 #ifndef BCWINDOWBASE_H
00002 #define BCWINDOWBASE_H
00003 
00004 #if defined(HAVE_CONFIG_H)
00005 #include "config.h"
00006 #endif
00007 
00008 // Window types
00009 
00010 #define MAIN_WINDOW 0
00011 #define SUB_WINDOW 1
00012 #define POPUP_WINDOW 2
00013 #ifdef HAVE_LIBXXF86VM
00014 #define VIDMODE_SCALED_WINDOW 3
00015 #endif
00016 
00017 #define TOOLTIP_MARGIN 2
00018 #define BC_INFINITY 65536
00019 
00020 #include "arraylist.h"
00021 #include "bcbar.inc"
00022 #include "bcbitmap.inc"
00023 #include "bcbutton.inc"
00024 #include "bccapture.inc"
00025 #include "bcclipboard.inc"
00026 #include "bcdragwindow.inc"
00027 #include "bcfilebox.inc"
00028 #include "bclistbox.inc"
00029 #include "bcmenubar.inc"
00030 #include "bcmeter.inc"
00031 #include "bcpan.inc"
00032 #include "bcpbuffer.inc"
00033 #include "bcpixmap.inc"
00034 #include "bcpopup.inc"
00035 #include "bcpopupmenu.inc"
00036 #include "bcpot.inc"
00037 #include "bcprogress.inc"
00038 #include "bcrelocatablewidget.h"
00039 #include "bcrepeater.inc"
00040 #include "bcresources.inc"
00041 #include "bcscrollbar.inc"
00042 #include "bcslider.inc"
00043 #include "bcsubwindow.inc"
00044 #include "bcsynchronous.inc"
00045 #include "bctextbox.inc"
00046 #include "bctimer.inc"
00047 #include "bctitle.inc"
00048 #include "bctoggle.inc"
00049 #include "bctumble.inc"
00050 #include "bcwidgetgrid.inc"
00051 #include "bcwindow.inc"
00052 #include "bcwindowbase.inc"
00053 #include "bcwindowevents.inc"
00054 #include "condition.inc"
00055 #include "bchash.inc"
00056 #include "linklist.h"
00057 #include "mutex.inc"
00058 #include "vframe.inc"
00059 
00060 
00061 #include <stdint.h>
00062 #include <stdio.h>
00063 #include <stdlib.h>
00064 #include <X11/Xatom.h>
00065 #ifdef HAVE_XFT
00066 #include <X11/Xft/Xft.h>
00067 #endif
00068 #include <X11/Xlib.h>
00069 #include <X11/Xutil.h>
00070 #include <X11/keysym.h>
00071 #include <X11/cursorfont.h>
00072 #ifdef HAVE_LIBXXF86VM
00073 #include <X11/extensions/xf86vmode.h>
00074 #endif
00075 #ifdef HAVE_GL
00076 #include <GL/glx.h>
00077 #endif
00078 
00079 
00080 
00081 #ifdef HAVE_GL
00082 //typedef void* GLXContext;
00083 #endif
00084 
00085 
00086 // Struct for async event marshalling, the same as XClientMessageEvent currently, but can be changed if we change toolkit ever
00087 // it is defined here so we don't use X headers in /cinelerra
00088 typedef struct {
00089         int type;                       /* ClientMessage */
00090         unsigned long serial;           /* # of last request processed by server */
00091         Bool send_event;                /* true if this came from a SendEvent request */
00092         Display *display;               /* Display the event was read from */
00093         Window window;
00094         Atom message_type;
00095         int format;
00096         union {
00097                 char b[20];
00098                 short s[10];
00099                 long l[5];
00100         } data;
00101 } xatom_event;
00102 
00103 
00104 class BC_ResizeCall
00105 {
00106 public:
00107         BC_ResizeCall(int w, int h);
00108         int w, h;
00109 };
00110 
00111 
00112 // Windows, subwindows, popupwindows inherit from this
00113 class BC_WindowBase : public BC_RelocatableWidget
00114 {
00115 public:
00116         BC_WindowBase();
00117         virtual ~BC_WindowBase();
00118 
00119         friend class BC_Bar;
00120         friend class BC_Bitmap;
00121         friend class BC_Button;
00122         friend class BC_GenericButton;
00123         friend class BC_Capture;
00124         friend class BC_Clipboard;
00125         friend class BC_DragWindow;
00126         friend class BC_FileBox;
00127         friend class BC_FullScreen;
00128         friend class BC_ListBox;
00129         friend class BC_Menu;
00130         friend class BC_MenuBar;
00131         friend class BC_MenuItem;
00132         friend class BC_MenuPopup;
00133         friend class BC_Meter;
00134         friend class BC_Pan;
00135         friend class BC_PBuffer;
00136         friend class BC_Pixmap;
00137         friend class BC_PixmapSW;
00138         friend class BC_Popup;
00139         friend class BC_PopupMenu;
00140         friend class BC_Pot;
00141         friend class BC_ProgressBar;
00142         friend class BC_Repeater;
00143         friend class BC_Resources;
00144         friend class BC_ScrollBar;
00145         friend class BC_Slider;
00146         friend class BC_SubWindow;
00147         friend class BC_Synchronous;
00148         friend class BC_TextBox;
00149         friend class BC_Title;
00150         friend class BC_Toggle;
00151         friend class BC_Tumbler;
00152         friend class BC_Window;
00153         friend class BC_WindowEvents;
00154 
00155 // Main loop
00156         int run_window();
00157 // Terminal event dispatchers
00158         virtual int close_event();
00159         virtual int resize_event(int w, int h);
00160         virtual int repeat_event(int64_t duration) { return 0; };
00161         virtual int focus_in_event() { return 0; };
00162         virtual int focus_out_event() { return 0; };
00163         virtual int button_press_event() { return 0; };
00164         virtual int button_release_event() { return 0; };
00165         virtual int cursor_motion_event() { return 0; };
00166         virtual int cursor_leave_event();
00167         virtual int cursor_enter_event();
00168         virtual int keypress_event() { return 0; };
00169         virtual int translation_event() { return 0; };
00170         virtual int drag_start_event() { return 0; };
00171         virtual int drag_motion_event() { return 0; };
00172         virtual int drag_stop_event() { return 0; };
00173         virtual int uses_text() { return 0; };
00174 // Only if opengl is enabled
00175         virtual int expose_event() { return 0; };
00176 
00177 // Check if a hardware accelerated colormodel is available and reserve it
00178         int accel_available(int color_model, int lock_it); 
00179 // Get color model adjusted for byte order and pixel size
00180         int get_color_model();
00181 // return the colormap pixel of the color for all bit depths
00182         int get_color(int64_t color);
00183 // return the currently selected color
00184         int64_t get_color();
00185         int show_window(int flush = 1);
00186         int hide_window(int flush = 1);
00187         int get_hidden();
00188         int get_video_on();
00189 // Shouldn't deference a pointer to delete a window if a parent is 
00190 // currently being deleted.  This returns 1 if any parent is being deleted.
00191         int get_deleting();
00192 
00193 
00194 
00195 //============================= OpenGL functions ===============================
00196 // OpenGL functions must be called from inside a BC_Synchronous command.
00197 // Create openGL context and bind it to the current window.
00198 // If it's called inside start_video/stop_video, the context is bound to the window.
00199 // If it's called outside start_video/stop_video, the context is bound to the pixmap.
00200 // Must be called at the beginning of any opengl routine to make sure
00201 // the context is current.
00202 // No locking is performed.
00203         void enable_opengl();
00204         void disable_opengl();
00205         void flip_opengl();
00206 
00207 // Calls the BC_Synchronous version of the function with the window_id.
00208 // Not run in OpenGL thread because it has its own lock.
00209         unsigned int get_shader(char *title, int *got_it);
00210         void put_shader(unsigned int handle, char *title);
00211 
00212 
00213         int flash(int x, int y, int w, int h, int flush = 1);
00214         int flash(int flush = 1);
00215         void flush();
00216         void sync_display();
00217 // Lock out other threads
00218         int lock_window(char *location = 0);
00219         int unlock_window();
00220         int get_window_lock();
00221 
00222         BC_MenuBar* add_menubar(BC_MenuBar *menu_bar);
00223         BC_WindowBase* add_subwindow(BC_WindowBase *subwindow);
00224         BC_WindowBase* add_tool(BC_WindowBase *subwindow);
00225         BC_WidgetGrid* add_widgetgrid(BC_WidgetGrid *widgetgrid);
00226 
00227 
00228         static BC_Resources* get_resources();
00229 // User must create synchronous object first
00230         static BC_Synchronous* get_synchronous();
00231 
00232 // Dimensions
00233         virtual int get_w();
00234         virtual int get_h();
00235         virtual int get_x();
00236         virtual int get_y();
00237         virtual int reposition_widgets(){ printf("foo1"); return 0; }
00238         int get_root_w(int ignore_dualhead = 0, int lock_display = 0);
00239         int get_root_h(int lock_display);
00240 // Get current position
00241         int get_abs_cursor_x(int lock_window);
00242         int get_abs_cursor_y(int lock_window);
00243         int get_relative_cursor_x();
00244         int get_relative_cursor_y();
00245 // Return 1 if cursor is over an unobscured part of this window.
00246 // An argument is provided for excluding a drag popup
00247         int get_cursor_over_window();
00248 // For traversing windows... return 1 if this or any subwindow is win
00249         int match_window(Window win);
00250 
00251 // 1 or 0 if a button is down
00252         int get_button_down();
00253 // Number of button pressed 1 - 5
00254         int get_buttonpress();
00255         int get_has_focus();
00256         int get_dragging();
00257         int get_keypress();
00258 // Get cursor position of last event
00259         int get_cursor_x();
00260         int get_cursor_y();
00261 // Cursor position of drag start
00262         int get_drag_x();
00263         int get_drag_y();
00264         int relative_cursor_x(BC_WindowBase *pov);
00265         int relative_cursor_y(BC_WindowBase *pov);
00266         int alt_down();
00267         int shift_down();
00268         int ctrl_down();
00269         int get_double_click();
00270 // Bottom right corner
00271         int get_x2();
00272         int get_y2();
00273         int get_bg_color();
00274         BC_Pixmap* get_bg_pixmap();
00275         int get_text_ascent(int font);
00276         int get_text_descent(int font);
00277         int get_text_height(int font, char *text = 0);
00278         int get_text_width(int font, char *text, int length = -1);
00279         BC_Clipboard* get_clipboard();
00280         void set_dragging(int value);
00281         int set_w(int w);
00282         int set_h(int h);
00283         BC_WindowBase* get_top_level();
00284         BC_WindowBase* get_parent();
00285 // Event happened in this window
00286         int is_event_win();
00287         int cursor_inside();
00288 // Deactivate everything and activate this subwindow
00289         virtual int activate();
00290 // Deactivate this subwindow
00291         virtual int deactivate();
00292         void set_active_subwindow(BC_WindowBase *subwindow);
00293 // Get value of toggle value when dragging a selection
00294         int get_toggle_value();
00295 // Get if toggle is being dragged
00296         int get_toggle_drag();
00297 
00298 // Set the gc to the color
00299         void set_color(int64_t color);
00300         int get_bgcolor();
00301         void set_font(int font);
00302 // Set the cursor to a macro from cursors.h
00303 // Set override if the caller is enabling hourglass or hiding the cursor
00304         void set_cursor(int cursor, int override = 0);
00305 // Set the cursor to a character in the X cursor library.  Used by test.C
00306         void set_x_cursor(int cursor);
00307         int get_cursor();
00308 // Shows the cursor after it's hidden by video playback
00309         void unhide_cursor();
00310 // Called by video updating routines to hide the cursor after a timeout
00311         void update_video_cursor();
00312 
00313 // Entry point for starting hourglass.  
00314 // Converts all cursors and saves the previous cursor.
00315         void start_hourglass();
00316         void stop_hourglass();
00317 
00318 // Recursive part of hourglass commands.
00319         void start_hourglass_recursive();
00320         void stop_hourglass_recursive();
00321 
00322 // Drawing
00323         void copy_area(int x1, int y1, int x2, int y2, int w, int h, BC_Pixmap *pixmap = 0);
00324         void clear_box(int x, int y, int w, int h, BC_Pixmap *pixmap = 0);
00325         void draw_box(int x, int y, int w, int h, BC_Pixmap *pixmap = 0);
00326         void draw_circle(int x, int y, int w, int h, BC_Pixmap *pixmap = 0);
00327         void draw_disc(int x, int y, int w, int h, BC_Pixmap *pixmap = 0);
00328         void draw_text(int x, int y, char *text, int length = -1, BC_Pixmap *pixmap = 0);
00329         void draw_xft_text(int x, 
00330                 int y, 
00331                 char *text, 
00332                 int length, 
00333                 BC_Pixmap *pixmap,
00334                 int x2,
00335                 int k,
00336                 int y2,
00337                 int j,
00338                 int i);
00339         void draw_center_text(int x, int y, char *text, int length = -1);
00340         void draw_line(int x1, int y1, int x2, int y2, BC_Pixmap *pixmap = 0);
00341         void draw_polygon(ArrayList<int> *x, ArrayList<int> *y, BC_Pixmap *pixmap = 0);
00342         void draw_rectangle(int x, int y, int w, int h);
00343         void draw_3segment(int x, 
00344                 int y, 
00345                 int w, 
00346                 int h, 
00347                 BC_Pixmap *left_image,
00348                 BC_Pixmap *mid_image,
00349                 BC_Pixmap *right_image,
00350                 BC_Pixmap *pixmap = 0);
00351         void draw_3segment(int x, 
00352                 int y, 
00353                 int w, 
00354                 int h, 
00355                 VFrame *left_image,
00356                 VFrame *mid_image,
00357                 VFrame *right_image,
00358                 BC_Pixmap *pixmap = 0);
00359 // For drawing a changing level
00360         void draw_3segmenth(int x, 
00361                 int y, 
00362                 int w, 
00363                 int total_x,
00364                 int total_w,
00365                 VFrame *image,
00366                 BC_Pixmap *pixmap);
00367         void draw_3segmenth(int x, 
00368                 int y, 
00369                 int w, 
00370                 int total_x,
00371                 int total_w,
00372                 BC_Pixmap *src,
00373                 BC_Pixmap *dst = 0);
00374         void draw_3segmentv(int x, 
00375                 int y, 
00376                 int h, 
00377                 int total_y,
00378                 int total_h,
00379                 BC_Pixmap *src,
00380                 BC_Pixmap *dst = 0);
00381         void draw_3segmentv(int x, 
00382                 int y, 
00383                 int h, 
00384                 int total_y,
00385                 int total_h,
00386                 VFrame *src,
00387                 BC_Pixmap *dst = 0);
00388 // For drawing a single level
00389         void draw_3segmenth(int x, 
00390                 int y, 
00391                 int w, 
00392                 VFrame *image,
00393                 BC_Pixmap *pixmap = 0);
00394         void draw_3segmenth(int x, 
00395                 int y, 
00396                 int w,
00397                 BC_Pixmap *src,
00398                 BC_Pixmap *dst = 0);
00399         void draw_3segmentv(int x, 
00400                 int y, 
00401                 int h,
00402                 BC_Pixmap *src,
00403                 BC_Pixmap *dst = 0);
00404         void draw_3segmentv(int x, 
00405                 int y, 
00406                 int h,
00407                 VFrame *src,
00408                 BC_Pixmap *dst = 0);
00409         void draw_9segment(int x, 
00410                 int y, 
00411                 int w,
00412                 int h,
00413                 VFrame *src,
00414                 BC_Pixmap *dst = 0);
00415         void draw_9segment(int x, 
00416                 int y, 
00417                 int w,
00418                 int h,
00419                 BC_Pixmap *src,
00420                 BC_Pixmap *dst = 0);
00421         void draw_3d_box(int x, 
00422                 int y, 
00423                 int w, 
00424                 int h, 
00425                 int light1, 
00426                 int light2, 
00427                 int middle, 
00428                 int shadow1, 
00429                 int shadow2, 
00430                 BC_Pixmap *pixmap = 0);
00431         void draw_3d_border(int x, int y, int w, int h, 
00432                 int light1, int light2, int shadow1, int shadow2);
00433         void draw_colored_box(int x, int y, int w, int h, int down, int highlighted);
00434         void draw_check(int x, int y);
00435         void draw_triangle_down_flat(int x, int y, int w, int h);
00436         void draw_triangle_up(int x, int y, int w, int h, 
00437                 int light1, int light2, int middle, int shadow1, int shadow2);
00438         void draw_triangle_down(int x, int y, int w, int h, 
00439                 int light1, int light2, int middle, int shadow1, int shadow2);
00440         void draw_triangle_left(int x, int y, int w, int h, 
00441                 int light1, int light2, int middle, int shadow1, int shadow2);
00442         void draw_triangle_right(int x, int y, int w, int h, 
00443                 int light1, int light2, int middle, int shadow1, int shadow2);
00444 // Set the gc to opaque
00445         void set_opaque();
00446         void set_inverse();
00447         void set_background(VFrame *bitmap);
00448 // Change the window title.  The title is translated internally.
00449         void set_title(char *text);
00450         char* get_title();
00451         void start_video();
00452         void stop_video();
00453         int get_id();
00454         void set_done(int return_value);
00455 // Get a bitmap to draw on the window with
00456         BC_Bitmap* new_bitmap(int w, int h, int color_model = -1);
00457 // Draw a bitmap on the window
00458         void draw_bitmap(BC_Bitmap *bitmap, 
00459                 int dont_wait, 
00460                 int dest_x = 0, 
00461                 int dest_y = 0, 
00462                 int dest_w = 0, 
00463                 int dest_h = 0,
00464                 int src_x = 0,
00465                 int src_y = 0,
00466                 int src_w = 0,
00467                 int src_h = 0,
00468                 BC_Pixmap *pixmap = 0);
00469         void draw_pixel(int x, int y, BC_Pixmap *pixmap = 0);
00470 // Draw a pixmap on the window
00471         void draw_pixmap(BC_Pixmap *pixmap, 
00472                 int dest_x = 0, 
00473                 int dest_y = 0, 
00474                 int dest_w = -1, 
00475                 int dest_h = -1,
00476                 int src_x = 0,
00477                 int src_y = 0,
00478                 BC_Pixmap *dst = 0);
00479 // Draw a vframe on the window
00480         void draw_vframe(VFrame *frame, 
00481                 int dest_x = 0, 
00482                 int dest_y = 0, 
00483                 int dest_w = -1, 
00484                 int dest_h = -1, 
00485                 int src_x = 0, 
00486                 int src_y = 0, 
00487                 int src_w = 0, 
00488                 int src_h = 0, 
00489                 BC_Pixmap *pixmap = 0);
00490         void draw_border(char *text, int x, int y, int w, int h);
00491 // Draw a region of the background
00492         void draw_top_background(BC_WindowBase *parent_window, int x, int y, int w, int h, BC_Pixmap *pixmap = 0);
00493         void draw_top_tiles(BC_WindowBase *parent_window, int x, int y, int w, int h);
00494         void draw_background(int x, int y, int w, int h);
00495         void draw_tiles(BC_Pixmap *tile, 
00496                 int origin_x, 
00497                 int origin_y, 
00498                 int x, 
00499                 int y, 
00500                 int w, 
00501                 int h);
00502         void slide_left(int distance);
00503         void slide_right(int distance);
00504         void slide_up(int distance);
00505         void slide_down(int distance);
00506 
00507         int cycle_textboxes(int amount);
00508 
00509         int raise_window(int do_flush = 1);
00510         int set_tooltips(int tooltips_enabled);
00511         int resize_window(int w, int h);
00512         int reposition_widget(int x, int y, int w = -1, int h = -1);
00513         int reposition_window(int x, int y, int w = -1, int h = -1);
00514 // Cause a repeat event to be dispatched every duration.
00515 // duration is milliseconds
00516         int set_repeat(int64_t duration);
00517 // Stop a repeat event from being dispatched.
00518         int unset_repeat(int64_t duration);
00519         int set_tooltip(char *text);
00520         int show_tooltip(int w = -1, int h = -1);
00521         int hide_tooltip();
00522         int set_icon(VFrame *data);
00523         int load_defaults(BC_Hash *defaults);
00524         int save_defaults(BC_Hash *defaults);
00525 
00526 #ifdef HAVE_LIBXXF86VM
00527 // Mode switch methods.
00528    void closest_vm(int *vm, int *width, int *height);
00529    void scale_vm(int vm);
00530    void restore_vm();
00531 #endif
00532 
00533         
00534         int test_keypress;
00535 
00536 
00537 private:
00538 // Create a window
00539         virtual int create_window(BC_WindowBase *parent_window,
00540                                 char *title, 
00541                                 int x,
00542                                 int y,
00543                                 int w, 
00544                                 int h, 
00545                                 int minw, 
00546                                 int minh, 
00547                                 int allow_resize,
00548                                 int private_color, 
00549                                 int hide,
00550                                 int bg_color,
00551                                 char *display_name,
00552                                 int window_type,
00553                                 BC_Pixmap *bg_pixmap,
00554                                 int group_it);
00555 
00556         static Display* init_display(char *display_name);
00557 // Get display from top level
00558         Display* get_display();
00559         int get_screen();
00560         virtual int initialize();
00561         int get_atoms();
00562 // Function to overload to recieve customly defined atoms
00563         virtual int recieve_custom_xatoms(xatom_event *event); 
00564         
00565         void init_cursors();
00566         int init_colors();
00567         int init_window_shape();
00568         static int evaluate_color_model(int client_byte_order, int server_byte_order, int depth);
00569         int create_private_colors();
00570         int create_color(int color);
00571         int create_shared_colors();
00572 // Get width of a single line.  Used by get_text_width
00573         int get_single_text_width(int font, char *text, int length);
00574         int allocate_color_table();
00575         int init_gc();
00576         int init_fonts();
00577         void init_xft();
00578         int get_color_rgb8(int color);
00579         int64_t get_color_rgb16(int color);
00580         int64_t get_color_bgr16(int color);
00581         int64_t get_color_bgr24(int color);
00582         XFontStruct* get_font_struct(int font);
00583 #ifdef HAVE_XFT
00584         XftFont* get_xft_struct(int font);
00585 #endif
00586         Cursor get_cursor_struct(int cursor);
00587     XFontSet get_fontset(int font);
00588     XFontSet get_curr_fontset(void);
00589     void set_fontset(int font); 
00590         int dispatch_event();
00591 
00592         int get_key_masks(XEvent *event);
00593 
00594         int trigger_tooltip();
00595         int untrigger_tooltip();
00596         void draw_tooltip();
00597         int arm_repeat(int64_t duration);
00598 // delete all repeater opjects for a close
00599         int unset_all_repeaters();
00600 
00601 // Block and get event from common events.
00602         XEvent* get_event();
00603 // Return number of events in table.
00604         int get_event_count();
00605 // Put event in common events.
00606         void put_event(XEvent *event);
00607 
00608 // Recursive event dispatchers
00609         int dispatch_resize_event(int w, int h);
00610         int dispatch_focus_in();
00611         int dispatch_focus_out();
00612         int dispatch_motion_event();
00613         int dispatch_keypress_event();
00614         int dispatch_repeat_event(int64_t duration);
00615         int dispatch_repeat_event_master(int64_t duration);
00616         int dispatch_button_press();
00617         int dispatch_button_release();
00618         int dispatch_cursor_leave();
00619         int dispatch_cursor_enter();
00620         int dispatch_translation_event();
00621         int dispatch_drag_start();
00622         int dispatch_drag_motion();
00623         int dispatch_drag_stop();
00624         int dispatch_expose_event();
00625 
00626 // Get the port ID for a color model or return -1 for failure
00627         int grab_port_id(BC_WindowBase *window, int color_model);
00628 
00629         int find_next_textbox(BC_WindowBase **first_textbox, BC_WindowBase **next_textbox, int &result);
00630         int find_prev_textbox(BC_WindowBase **last_textbox, BC_WindowBase **prev_textbox, int &result);
00631 
00632 
00633         void translate_coordinates(Window src_w, 
00634                 Window dest_w,
00635                 int src_x,
00636                 int src_y,
00637                 int *dest_x_return,
00638                 int *dest_y_return);
00639 
00640 // Top level window above this window
00641         BC_WindowBase* top_level;
00642 // Window just above this window
00643         BC_WindowBase* parent_window;
00644 // list of window bases in this window
00645         BC_SubWindowList* subwindows;
00646 // list of window bases in this window
00647         BC_WidgetGridList* widgetgrids;
00648 // Position of window
00649         int x, y, w, h;
00650 // Default colors
00651         int light1, light2, medium, dark1, dark2, bg_color;
00652 // Type of window defined above
00653         int window_type;
00654 // Pointer to the active menubar in the window.
00655         BC_MenuBar* active_menubar;
00656 // pointer to the active popup menu in the window
00657         BC_PopupMenu* active_popup_menu;    
00658 // pointer to the active subwindow
00659         BC_WindowBase* active_subwindow;
00660 
00661 // Window parameters
00662         int allow_resize;
00663         int hidden, private_color, bits_per_pixel, color_model;
00664         int server_byte_order, client_byte_order;
00665 // number of colors in color table
00666         int total_colors;
00667 // last color found in table
00668         int current_color_value, current_color_pixel;
00669 // table for every color allocated
00670         int color_table[256][2];    
00671 // Turn on optimization
00672         int video_on;
00673 // Event handler completion
00674         int done;
00675 // Return value of event handler
00676         int return_value;
00677 // Motion event compression
00678         int motion_events, last_motion_x, last_motion_y;
00679 // window of buffered motion
00680         Window last_motion_win;       
00681 // Resize event compression
00682         int resize_events, last_resize_w, last_resize_h;
00683         int translation_events, last_translate_x, last_translate_y;
00684         int prev_x, prev_y;
00685 // Since the window manager automatically translates the window at boot, 
00686 // use the first translation event to get correction factors