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-/*
- * WidgetInfo.h -- Zinc Widget record.
- *
- * Authors : Patrick Lecoanet.
- * Creation date : Mon Feb 1 12:13:24 1999
- *
- * $Id$
- */
-
-/*
- * Copyright (c) 1993 - 2005 CENA, Patrick Lecoanet --
- *
- * See the file "Copyright" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- *
- */
-
-
-#ifndef _WidgetInfo_h
-#define _WidgetInfo_h
-
-
-#include "Item.h"
-#include "Transfo.h"
-#include "Types.h"
-#ifndef _WIN32
-#include "perfos.h"
-#endif
-#include "Color.h"
-
-
-#define ZN_NUM_ALPHA_STEPS 16
-
-/*
- * Constants for flags
- */
-#define ZN_REPICK_IN_PROGRESS (1<<0)
-#define ZN_GRABBED_ITEM (1<<1)
-#define ZN_GRABBED_PART (1<<2)
-#define ZN_REALIZED (1<<3)
-#define ZN_INTERNAL_NEED_REPICK (1<<4)
-#define ZN_UPDATE_SCROLLBARS (1<<5) /* If set, the scrollbars must be updated. */
-#define ZN_GOT_FOCUS (1<<6) /* Set means that the widget has the input focus. */
-#define ZN_UPDATE_PENDING (1<<7) /* Set means there is a pending graphic update. */
-#define ZN_HAS_GL (1<<8) /* Tell if openGL can be used. */
-#define ZN_HAS_X_SHAPE (1<<9) /* Tell if the X shape extension is available. */
-#define ZN_MONITORING (1<<10) /* Set if performance monitoring is on. */
-#define ZN_PRINT_CONFIG (1<<11) /* If set the openGL hardware configuration
- * is printed on startup. */
-#define ZN_CONFIGURE_EVENT (1<<12)
-
-#ifdef __CPLUSPLUS__
-extern "C" {
-#endif
-
-
-/*
- * The following structure provides information about the selection and
- * the insertion cursor. It is needed by only a few items, such as
- * those that display text. It is shared by the generic canvas code
- * and the item-specific code, but most of the fields should be written
- * only by the canvas generic code.
- */
-typedef struct _ZnTextInfo {
- ZnGradient *sel_color; /* Background color for selected text.
- * Read-only to items.*/
- ZnItem sel_item; /* Pointer to selected item. ZN_NO_ITEM
- * means that the widget doesn't own the
- * selection. Writable by items. */
- int sel_field;
- int sel_first; /* Index of first selected character.
- * Writable by items. */
- int sel_last; /* Index of last selected character.
- * Writable by items. */
- ZnItem anchor_item; /* Item corresponding to sel_anchor: not
- * necessarily sel_item. Read-only to items. */
- int anchor_field;
- int sel_anchor; /* Fixed end of selection (i.e. "select to"
- * operation will use this as one end of the
- * selection). Writable by items. */
- ZnGradient *insert_color; /* Used to draw vertical bar for insertion
- * cursor. Read-only to items. */
- unsigned int insert_width; /* Total width of insertion cursor. Read-only
- * to items. */
- ZnBool cursor_on; /* True means that an insertion cursor should
- * be displayed in focus_item. Read-only to
- * items.*/
-} ZnTextInfo;
-
-typedef struct _ZnWInfo {
- Tcl_Interp *interp; /* Interpreter associated with widget. */
- Tcl_Command cmd; /* Token for zinc widget command. */
- Tcl_HashTable *id_table; /* Hash table for object ids. */
- Tcl_HashTable *t_table; /* Hash table for transformations. */
- unsigned long obj_id; /* Id for the next new object. */
- int flags;
- Tk_BindingTable binding_table; /* Table of all bindings currently defined
- * for this widget. NULL means that no
- * bindings exist, so the table hasn't been
- * created. Each "object" used for this
- * table is either a Tk_Uid for a tag or
- * the address of an item named by id. */
- int state; /* Last known modifier state. Used to
- * defer picking a new current object
- * while buttons are down. */
- ZnItem current_item; /* Item picked from previous pick sequence */
- ZnItem new_item; /* Item picked from current pick sequence */
- int current_part;
- int new_part;
- ZnItem hot_item;
- ZnItem hot_prev;
- ZnItem focus_item; /* Item that currently has the input focus,
- * or ZN_NO_ITEM if no such item. Read-only to
- * items. */
- int focus_field;
- XEvent pick_event; /* Event used to forge fake events and to do
- * repicks. */
- ZnBBox exposed_area; /* Window area that need to be rexposed.
- * It is distinct from redraw_area which
- * is updated when items are changed. */
- Pixmap alpha_stipples[ZN_NUM_ALPHA_STEPS];
- int border_width;
- int opt_width; /* Window size as stated/reported by the option. */
- int opt_height; /* They are equal to the width/height fields after
- * the actual resize. They may to be equal if
- * the resize is not acknowledged by the geo
- * manager. */
- ZnGradient *relief_grad; /* The gradient describing the border relief
- * colors. */
- ZnReliefStyle relief; /* The border relief. */
-
- /* Tracks global resources */
-#ifdef ATC
- unsigned int track_managed_history_size; /* Size of history for tracks */
- unsigned int track_visible_history_size; /* Size of displayed history */
- ZnReal speed_vector_length; /* How long (in time) are speedvectors*/
- int om_group_id; /* Tell which group contains tracks to be */
- ZnItem om_group; /* processed for anti label overlap. */
-
- /* Maps global resources */
- Tk_Font map_text_font; /* Font for texts in Map items */
-#ifdef GL
- ZnTexFontInfo map_font_tfi; /* Used to preserve the default font from
- * being freed again and again */
-#endif
- Tcl_Obj *map_symbol_obj;
- ZnImage map_distance_symbol; /* Distance marks displayed along Map */
- /* lines. */
- Tcl_Obj *track_symbol_obj;
- ZnImage track_symbol; /* Symbol displayed at track/wp current */
- /* position. */
-#endif
- /* Transformer */
- ZnTransfo *current_transfo;
- ZnList transfo_stack;
- struct _ClipState *current_clip;
- ZnList clip_stack;
-
- /* Others */
- ZnGradient *fore_color; /* Default gradient used in new items */
- ZnGradient *back_color; /* Color of the widget background. */
- ZnGradient *bbox_color; /* Color used to draw bboxes (debug). */
- Tk_Cursor cursor; /* Cursor displayed in zinc window. */
- ZnBool draw_bboxes; /* Draw item's bboxes (debug). */
- ZnBool follow_pointer; /* Process pointer motion events to */
- /* emit enter/leave events. */
- int light_angle;
-
- int pick_aperture; /* size of pick aperture in pixels */
- Tk_Font font; /* Default font used in new items */
-#ifdef GL
- ZnTexFontInfo font_tfi; /* Used to preserve the default font from
- * being freed again and again */
-#endif
- Tcl_Obj *tile_obj;
- ZnImage tile;
-
- /* Zinc private resources */
- int width; /* Actual window dimension. */
- int height;
- int inset; /* Border and highlight width */
-
- /* Graphic variables */
- Display *dpy; /* The display of the widget window. */
- Screen *screen;
- Tk_Window win; /* The window of the widget. */
- Pixmap draw_buffer; /* Pixmap for double buffering */
- ZnBBox damaged_area; /* The current damaged rectangle */
- GC gc;
- ZnBool reshape; /* Use the Shape Extension on the window.*/
- ZnBool full_reshape; /* Use it on the top level window. */
- Window real_top;
- int render;
- unsigned char alpha; /* Current composite group alpha. */
- ZnItem top_group;
-#ifndef PTK_800
- Tk_OptionTable opt_table;
-#endif
-
- /* Text management */
- ZnTextInfo text_info;
- int insert_on_time;
- int insert_off_time;
- Tcl_TimerToken blink_handler;
- char *take_focus;
- int highlight_width; /* Width in pixels of highlight to draw
- * around widget when it has the focus.
- * = 0 means don't draw a highlight. */
- ZnGradient *highlight_bg_color; /* Color for drawing traversal highlight
- * area when highlight is off. */
- ZnGradient *highlight_color; /* Color for drawing traversal highlight.*/
-
- /* Scrollbar management */
- ZnPoint origin; /* Coordinate mapped to the upper left corner
- * of the zinc window. */
-#ifdef PTK
- LangCallback *x_scroll_cmd;
- LangCallback *y_scroll_cmd;
-#else
- Tcl_Obj *x_scroll_cmd; /* Command prefixes for communicating with */
- Tcl_Obj *y_scroll_cmd; /* scrollbars. NULL means no scrollbar.
- * Malloc'ed */
-#endif
- int x_scroll_incr; /* If >0, defines a grid for horiz/vert */
- int y_scroll_incr; /* scrolling. This is the size of the "unit",
- * and the left edge of the screen will always
- * lie on an even unit boundary. */
- int scroll_xo; /* This bbox define the region that is the */
- int scroll_yo; /* 100% area for scrolling (i.e. it determines */
- int scroll_xc; /* the size and location of the sliders on */
- int scroll_yc; /* scrollbars). */
- ZnBool confine; /* When true, it is not possible to scroll the
- * viewing area past the scroll region. */
- Tcl_Obj *region; /* Scroll region option string source of the
- * scroll_region above. */
- Tk_PostscriptInfo ps_info;
-
- /* Perf measurement variables. */
-#ifndef _WIN32
- ZnChrono this_draw_chrono;
- ZnChrono total_draw_chrono;
-#endif
- int num_items;
- int damaged_area_w;
- int damaged_area_h;
- int debug;
-} ZnWInfo;
-
-
-#ifdef __CPLUSPLUS__
-}
-#endif
-
-#endif /* _WidgetInfo_h */
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