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149 lines
3.9 KiB
C
149 lines
3.9 KiB
C
#ifndef WIDGET_INTERNAL_H
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#define WIDGET_INTERNAL_H
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#include "theme.h"
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/**
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* Data structure holding the internal state of the Widget
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*/
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struct _widget
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{
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/** X position relative to parent */
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short x;
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/** Y position relative to parent */
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short y;
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/** Width of the widget */
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short w;
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/** Height of the widget */
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short h;
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/** Padding */
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Padding margin;
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Padding padding;
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Padding border;
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/** enabled or not */
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gboolean enabled;
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/** Expand the widget when packed */
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gboolean expand;
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/*** The packing index */
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int index;
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/** Place widget at end of parent */
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gboolean end;
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/** Parent widget */
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struct _widget *parent;
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/** Internal */
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gboolean need_redraw;
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/** get width of widget implementation function */
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int ( *get_width )( struct _widget * );
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/** get height of widget implementation function */
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int ( *get_height )( struct _widget * );
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/** draw widget implementation function */
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void ( *draw )( struct _widget *widget, cairo_t *draw );
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/** resize widget implementation function */
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void ( *resize )( struct _widget *, short, short );
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/** update widget implementation function */
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void ( *update )( struct _widget * );
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/** Handle mouse motion, used for dragging */
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gboolean ( *motion_notify )( struct _widget *, xcb_motion_notify_event_t * );
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int (*get_desired_height) ( struct _widget * );
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/** widget clicked callback */
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widget_clicked_cb clicked;
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/** user data for clicked callback */
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void *clicked_cb_data;
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/** Free widget callback */
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void ( *free )( struct _widget *widget );
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/** Name of widget (used for theming) */
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char *name;
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const char *state;
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};
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/**
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* @param widget The widget to initialize.
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* @param name The name of the widget.
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*
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* Initializes the widget structure.
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*
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*/
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void widget_init ( widget *widget , const char *name );
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/**
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* @param widget The widget handle.
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* @param state The state of the widget.
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*
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* Set the state of the widget.
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*/
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void widget_set_state ( widget *widget, const char *state );
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/**
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* @param wid The widget handle.
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*
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* Get the left padding of the widget.
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*
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* @returns the left padding in pixels.
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*/
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int widget_padding_get_left ( const widget *wid );
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/**
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* @param wid The widget handle.
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*
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* Get the right padding of the widget.
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*
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* @returns the right padding in pixels.
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*/
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int widget_padding_get_right ( const widget *wid );
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/**
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* @param wid The widget handle.
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*
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* Get the top padding of the widget.
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*
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* @returns the top padding in pixels.
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*/
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int widget_padding_get_top ( const widget *wid );
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/**
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* @param wid The widget handle.
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*
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* Get the bottom padding of the widget.
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*
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* @returns the bottom padding in pixels.
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*/
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int widget_padding_get_bottom ( const widget *wid );
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/**
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* @param wid The widget handle.
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*
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* Get width of the content of the widget
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*
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* @returns the widget width, excluding padding.
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*/
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int widget_padding_get_remaining_width ( const widget *wid );
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/**
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* @param wid The widget handle.
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*
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* Get height of the content of the widget
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*
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* @returns the widget height, excluding padding.
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*/
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int widget_padding_get_remaining_height ( const widget *wid );
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/**
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* @param wid The widget handle.
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*
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* Get the combined top and bottom padding.
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*
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* @returns the top and bottom padding of the widget in pixels.
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*/
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int widget_padding_get_padding_height ( const widget *wid );
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/**
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* @param wid The widget handle.
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*
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* Get the combined left and right padding.
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*
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* @returns the left and right padding of the widget in pixels.
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*/
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int widget_padding_get_padding_width ( const widget *wid );
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#endif // WIDGET_INTERNAL_H
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