interface_undo.c File Reference

#include <string.h>
#include "BLI_listbase.h"
#include "DNA_listBase.h"
#include "MEM_guardedalloc.h"
#include "interface_intern.h"

Go to the source code of this file.

Classes
struct	uiUndoStack_Text_State
struct	uiUndoStack_Text

Text Field Undo Stack
typedef struct uiUndoStack_Text_State	uiUndoStack_Text_State
typedef struct uiUndoStack_Text	uiUndoStack_Text
static const char *	ui_textedit_undo_impl (uiUndoStack_Text *stack, int *r_cursor_index)
static const char *	ui_textedit_redo_impl (uiUndoStack_Text *stack, int *r_cursor_index)
const char *	ui_textedit_undo (uiUndoStack_Text *stack, int direction, int *r_cursor_index)
void	ui_textedit_undo_push (uiUndoStack_Text *stack, const char *text, int cursor_index)
uiUndoStack_Text *	ui_textedit_undo_stack_create (void)
void	ui_textedit_undo_stack_destroy (uiUndoStack_Text *stack)

Detailed Description

Undo stack to use for UI widgets that manage their own editing state.

Definition in file interface_undo.c.

Typedef Documentation

uiUndoStack_Text

typedef struct uiUndoStack_Text uiUndoStack_Text

uiUndoStack_Text_State

typedef struct uiUndoStack_Text_State uiUndoStack_Text_State

Function Documentation

ui_textedit_redo_impl()

static const char* ui_textedit_redo_impl ( uiUndoStack_Text *  stack, int *  r_cursor_index  )

static

Definition at line 52 of file interface_undo.c.

References uiUndoStack_Text::current, uiUndoStack_Text_State::cursor_index, uiUndoStack_Text_State::next, NULL, and uiUndoStack_Text_State::text.

Referenced by ui_textedit_undo().

ui_textedit_undo()

const char* ui_textedit_undo	(	uiUndoStack_Text *	stack,
		int	direction,
		int *	r_cursor_index
	)

Definition at line 69 of file interface_undo.c.

References BLI_assert, ELEM, ui_textedit_redo_impl(), and ui_textedit_undo_impl().

Referenced by ui_do_but_textedit().

ui_textedit_undo_impl()

static const char* ui_textedit_undo_impl ( uiUndoStack_Text *  stack, int *  r_cursor_index  )

static

Definition at line 35 of file interface_undo.c.

References uiUndoStack_Text::current, uiUndoStack_Text_State::cursor_index, NULL, uiUndoStack_Text_State::prev, and uiUndoStack_Text_State::text.

Referenced by ui_textedit_undo().

ui_textedit_undo_push()

void ui_textedit_undo_push	(	struct uiUndoStack_Text *	undo_stack,
		const char *	text,
		int	cursor_index
	)

Push the information in the arguments to a new state in the undo stack.

Note

Currently the total length of the undo stack is not limited.

Definition at line 78 of file interface_undo.c.

References BLI_addtail(), BLI_remlink(), uiUndoStack_Text::current, uiUndoStack_Text_State::cursor_index, MEM_freeN, MEM_mallocN, uiUndoStack_Text_State::next, NULL, state, uiUndoStack_Text::states, and uiUndoStack_Text_State::text.

Referenced by ui_do_but_textedit(), and ui_textedit_begin().

ui_textedit_undo_stack_create()

uiUndoStack_Text* ui_textedit_undo_stack_create

(

void

)

Start the undo stack.

Note

The current state should be pushed immediately after calling this.

Definition at line 97 of file interface_undo.c.

References BLI_listbase_clear(), uiUndoStack_Text::current, MEM_mallocN, NULL, and uiUndoStack_Text::states.

Referenced by ui_textedit_begin().

ui_textedit_undo_stack_destroy()

void ui_textedit_undo_stack_destroy

(

uiUndoStack_Text *

stack

)

Definition at line 106 of file interface_undo.c.

References BLI_freelistN(), MEM_freeN, and uiUndoStack_Text::states.

Referenced by ui_textedit_end().