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123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
#ifndef LWLIB_H
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#define LWLIB_H
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#include <X11/Intrinsic.h>
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/*
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** Widget values depend on the Widget type:
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**
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** widget: (name value key enabled data contents/selected)
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**
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** label: ("name" "string" NULL NULL NULL NULL)
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** button: ("name" "string" "key" T/F data <default-button-p>)
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** button w/menu:
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** ("name" "string" "key" T/F data (label|button|button w/menu...))
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** menubar: ("name" NULL NULL T/F data (button w/menu))
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** selectable thing:
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** ("name" "string" "key" T/F data T/F)
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** checkbox: selectable thing
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** radio: ("name" NULL NULL T/F data (selectable thing...))
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** strings: ("name" NULL NULL T/F data (selectable thing...))
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** text: ("name" "string" <ign> T/F data)
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** main: ("name")
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*/
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typedef unsigned long LWLIB_ID;
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typedef enum _change_type
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{
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NO_CHANGE = 0,
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INVISIBLE_CHANGE = 1,
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VISIBLE_CHANGE = 2,
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STRUCTURAL_CHANGE = 3
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} change_type;
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typedef struct _widget_value
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{
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/* name of widget */
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char* name;
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/* value (meaning depend on widget type) */
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char* value;
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/* keyboard equivalent. no implications for XtTranslations */
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char* key;
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/* true if enabled */
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Boolean enabled;
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/* true if selected */
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Boolean selected;
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/* true if was edited (maintained by get_value) */
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Boolean edited;
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/* true if has changed (maintained by lw library) */
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change_type change;
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/* true if this widget itself has changed,
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but not counting the other widgets found in the `next' field. */
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change_type this_one_change;
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/* Contents of the sub-widgets, also selected slot for checkbox */
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struct _widget_value* contents;
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/* data passed to callback */
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XtPointer call_data;
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/* next one in the list */
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struct _widget_value* next;
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/* slot for the toolkit dependent part. Always initialize to NULL. */
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void* toolkit_data;
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/* tell us if we should free the toolkit data slot when freeing the
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widget_value itself. */
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Boolean free_toolkit_data;
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/* we resource the widget_value structures; this points to the next
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one on the free list if this one has been deallocated.
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*/
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struct _widget_value *free_list;
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} widget_value;
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typedef void (*lw_callback) (/* Widget w, LWLIB_ID id, void* data */);
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void lw_register_widget (/* char* type, char* name, LWLIB_ID id,
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widget_value* val, lw_callback pre_activate_cb,
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lw_callback selection_cb,
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lw_callback post_activate_cb */);
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Widget lw_get_widget (/* LWLIB_ID id, Widget parent, Boolean pop_up_p */);
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Widget lw_make_widget (/* LWLIB_ID id, Widget parent, Boolean pop_up_p */);
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Widget lw_create_widget (/* char* type, char* name, LWLIB_ID id,
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widget_value* val, Widget parent, Boolean pop_up_p,
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lw_callback pre_activate_cb,
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lw_callback selection_cb,
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lw_callback post_activate_cb */);
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LWLIB_ID lw_get_widget_id (/* Widget w */);
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void lw_modify_all_widgets (/* LWLIB_ID id, widget_value* val, Boolean deep_p */);
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void lw_destroy_widget (/* Widget w */);
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void lw_destroy_all_widgets (/* LWLIB_ID id */);
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void lw_destroy_everything (/* void */);
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void lw_destroy_all_pop_ups (/* void */);
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Widget lw_raise_all_pop_up_widgets (/* void */);
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widget_value* lw_get_all_values (/* LWLIB_ID id */);
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Boolean lw_get_some_values (/* LWLIB_ID id, widget_value* val */);
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void lw_pop_up_all_widgets (/* LWLIB_ID id */);
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void lw_pop_down_all_widgets (/* LWLIB_ID id */);
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widget_value *malloc_widget_value ();
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void free_widget_value (/* widget_value * */);
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void lw_popup_menu (/* Widget */);
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/* Toolkit independent way of focusing on a Widget at the Xt level. */
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void lw_set_keyboard_focus (/* Widget parent, Widget w */);
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/* Silly Energize hack to invert the "sheet" button */
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void lw_show_busy (/* Widget w, Boolean busy */);
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/* Silly hack to assist with Lucid/Athena geometry management. */
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void lw_refigure_widget (/* Widget w, Boolean doit */);
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/* Toolkit independent way of determining if an event occurred on a
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menubar. */
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Boolean lw_window_is_in_menubar (/* Window win, Widget menubar_widget */);
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/* Manage resizing: TRUE permits resizing widget w; FALSE disallows it. */
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void lw_allow_resizing (/* Widget w, Boolean flag */);
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/* Set up the main window. */
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void lw_set_main_areas (/* Widget parent,
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Widget menubar,
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Widget work_area */);
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#endif /* LWLIB_H */
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