gui/main.h File Reference

GUI - The main gui structures, windows, and functions. More...

#include "lib/lib.h"
#include <gtk/gtk.h>
#include <libguile.h>
#include "kernel/kernel.h"
#include "gui/visualisation.h"

Go to the source code of this file.

Data Structures

struct console

struct console_search_stack

struct console_string

struct context

The context structure. More...

struct factory

The one and the only GO Factory instance. More...

struct of_state

The structure for one GO factory state. More...

struct text_edit

The Text editor window structure. More...

struct view

The View window structure. More...

struct view_navigator

The View navigator structure. More...

struct window

The general window structure used for most GUI windows. More...

struct wnd_main

Main window structure. More...

struct wnd_plugins

The Plugin window structure. More...

struct wnd_settings

The Global settings window strucure. More...

struct wnd_style

The Style window structure. More...

struct wnd_undo_history

The Undo history window structure. More...

struct wnd_univ_browser

The Universe browser window structure. More...

Defines

#define MAX_ERR_MSG_LENGTH   TRANS_ERR_SIZE + 200

Maximal length of error mssage (includes also additional arguments).

#define VRR_HOMEPAGE   "http://vrr.ucw.cz/"

URL of the VRR homepage.

#define TOLERANCE_PIX   10

The snap tolerance in pixels.

#define EXTERNAL_TEXT_EDITOR   "vim"

Text editor, which can be used by vrr to modify text files.

#define TEXT_EDITOR_RUN_IN_TERM   1

Do we use a text editor which must be run in a terminal?

#define WWW_BROWSER   "links"

Which command should be use to open web browser for help?

#define WWW_BROWSER_RUN_IN_TERM   1

Do we use a browser which must be run in a terminal?

#define FAVOURITE_TERMINAL   "rxvt"

The terminal to run browser and/or text editor, if needed.

#define GRID_X1   10.0

The x-coordinate of the first grid vector.

#define GRID_Y1   0.0

The y-coordinate of the first grid vector.

#define GRID_X2   0.0

The x-coordinate of the second grid vector.

#define GRID_Y2   10.0

The y-coordinate of the second grid vector.

#define GRID_COLOR   (rgba_uns2uns(128, 128, 128, 255))

The default grid color.

#define RULERX_RES   10.0

The resolution of the horizontal ruler.

#define RULERY_RES   10.0

The resolution of the vertical ruler.

#define PANNING_DRAG_IMAGE   0

Whether to drag the image, not the view.

#define ENABLE_FIFI   0

Whether to enable Fifi.

#define SAFE_G_VALUE(_x)   GValue _x; bzero(&_x, sizeof(_x))

A macro that defines a GValue and initializes it to zero.

#define WIN_O_MAGIC   u8 type; SCM proxy; GtkWidget * statusbar; gint context_id

The common data for most GUI windows.

#define statusbar_err(_win,)   statusbar_msg(_win, ":-( "__VA_ARGS__)

Enumerations

enum {
  SNAP_HANGERS = 1, SNAP_GRID = 2, SNAP_LINES = 4, SNAP_INTERS = 8,
  SNAP_DEPENDENCY = 16
}

Flags for snap settings.

enum window_type {
  WT_VIEW, WT_UNDO_HISTORY, WT_UNIVERSE_BROWSER, WT_PROPERTIES,
  WT_PLUGINS, WT_TEXT_EDITOR, WT_CONSOLE, WT_MAIN_WINDOW,
  WT_UNITS
}

The window type identifier used in the gerenal window structure struct window.

enum moving_mode {
  MOVE_NONE, MOVE_FACTORY, MOVE_TRANSFORM, MOVE_TRANSFORM_2,
  MOVE_PANNING, MOVE_PANNING_NAV, MOVE_PANNING_IMG, MOVE_SELECT,
  MOVE_CNT
}

The internal moving modes of the View.

enum console_state {
  STATE_NORMAL, STATE_FSEARCH_FIRST, STATE_RSEARCH_FIRST, STATE_FSEARCH,
  STATE_RSEARCH
}

enum of_input_kind {
  OFIK_NONE, OFIK_DPR, OFIK_PROP, OFIK_SEL,
  OFIK_TRANSFORM, OFIK_TF
}

The kind of the input object of a factory state.

enum of_go_role { OFR_DISPLAY, OFR_CNT }

enum ofs_flags {
  OFF_FULL = 1, OFF_START_MOVE = 2, OFF_END_MOVE = 4, OFF_PATHABLE = 8,
  OFF_HIDE_HANGERS = 16
}

The GO Factory state flags. More...

enum of_flags { OFF_OPERATION_ACTIVE = 1, OFF_PATH_ON = 2, OFF_PATH_ACTIVE = 4, OFF_PATH_DESTROYED = 8 }

The GO factory flags. More...

Functions

void win_o_init (struct window *window, uns type)

Initialize the window with the given type, create the statusbar, initialize scheme proxy.

void win_o_finish (struct window *window)

Finalize the window.

void change_context (struct window *window, struct go_group *group, struct o *o)

Changes the current context and does some change notifications by calling some functions.

void main_window_create (void)

Create the main window (the only instance in wnd_main).

void main_window_show (void)

Show the main window (the only instance in wnd_main).

void main_window_refresh_menu (void)

void main_window_refresh_toolbar (void)

void create_universe_browser (void)

Create the Universe browser window.

void ub_refresh_menu (void)

Refresh the menu (and rebuild, if necessary.

void ub_context_changed (struct context *old_context)

Show/hide the context icons where needed.

view * create_view (struct go_group *group)

Create a view for the given group.

void close_view (struct view *vw)

Close the view and deallocate all resources (some of them need to be deallocated before the window is destroyed).

void view_refresh_toolbar (struct view *vw)

void view_refresh_menu (void)

void view_update_grid (struct view *vw)

void transform_update (struct view *vw)

Update and refresh the transformation box and gadgets.

void view_get_size (struct view *vw, uns *width, uns *height)

void view_moving_start (struct geom_point pix, struct view *vw, enum moving_mode mode, GdkCursorType cursor_type)

Start moving in view.

void view_moving_end (void)

End the moving, unset the cursor and set moving state to MOVE_NONE.

void view_moving_release (GdkEventButton *event, struct view *vw)

Process the button release event of the moving drag.

void view_moving_motion (GdkEventMotion *event, struct view *vw)

Save the last move coordinates and set the events_pending flag on.

void view_clicked (GdkEventButton *event, struct view *vw)

Process the click event -- save the coordinates.

void view_selection_start (struct geom_point coords, struct geom_point coords_pix, struct view *vw)

Start the rectangular selection.

int view_transform_start (GdkEventButton *event, struct geom_point coords, struct geom_point coords_pix, struct view *vw)

Start the transformation drag move.

void view_s_transform_start (GdkEventButton *event, struct geom_point coords, struct geom_point coords_pix, struct view *view)

Start the Santiago's transformation drag move.

void view_panning_start (struct geom_point coords_pix, struct view *vw)

Start the panning move.

void view_panning_nav_start (struct geom_point coords, struct geom_point coords_pix, struct view *vw)

Start the panning move in the View navigator.

void set_fifi_on (uns on)

Set Fifi on or off.

void set_fifi_enabled (uns enabled)

Enable or disable Fifi.

void transform_set_shift (int on, struct view *vw)

Set or unset the shift mode of the tranformation box.

void transform_recalc_dimen (struct view *vw)

Recalculate the dimension mode of the transformation bbox (empty, wide, high) and redisplay it.

void transform_recalc_all (struct view *vw)

Recalculate the transformation box and gadget positions.

wnd_undo_history * create_wnd_undo_history (struct obj_page *page)

Create the undo history window.

void wuh_refresh_toolbar (struct wnd_undo_history *wuh)

void gui_fonts_finish (void)

Destroy the allocated font list.

int fill_font_list (void)

Fill the font list using the Fontconfig.

uns fonts_iter_to_font_id (GtkTreeIter *ti)

Convert the TreeIter of the font list to font_id.

int fonts_compare_iter_with (GtkTreeIter *ti, char *filename)

Compare the TreeIter of the font list with the font filename.

int fonts_get_default (void)

Return the default or least recently used font_id.

void text_edit_create (struct o *o, string text_key)

Create the text editor window.

void console_create (void)

void console_init (void)

void factory_init (void)

void factory_finish (void)

void factory_op_start (struct go_group *group, struct of_state *state, char *desc)

Start a new factory operation.

void factory_op_break (void)

Break the current operation -- return to the state before it.

void factory_moving_step (struct geom_point po)

Move the factory cursor to the new point position.

void factory_op_step (void)

Move to the next state.

int factory_merge_trans (void)

Merge all partial transactions for the current operation.

void factory_op_step_back (void)

Move to the previous state and undo the effect of the last step.

void factory_msg (const char *text)

Output a factory message into the factory statusbar.

go * factory_get_created_go (void)

void snap_point (struct geom_point *pos, struct dist_pass_result *dpr, struct geom_transform2 *grid, struct obj_page *page, real maxdist)

Snap the point using the current snap settings.

void snap_to_go (struct geom_point *pos, struct dist_pass_result *dpr, struct obj_page *page, real maxdist)

Snap the point to an object using the current snap settings.

void snap_to_anchor (struct geom_point *pos, struct dist_pass_result *dpr, struct obj_page *page, real maxdist)

Snap the point to an anchor using the current snap settings.

char * get_new_noname (void)

Get a new name for an untitled document.

char * get_new_page_noname (struct obj_doc *doc)

Get the name for a new untitled page in the document.

void refresh_gui (void)

Update all the GUI widgets whose values depend on context or similar settings.

void main_quit (void)

Closes all opened documents and does all neccessary cleaning before quitting.

GdkPixbuf * icon_load (const char *filename)

GtkWidget * image_get_from_icon (GdkPixbuf *icon)

void statusbar_clear (struct window *window)

void statusbar_msg (struct window *window, const char *fmt,...) FORMAT(2

void modify_selection (struct go *go, struct obj_page *page, GdkEventButton *event, struct geom_rectangle *rect, struct go_group *group)

(Un)selects some objects according to the rect, go and group. If the rect is non-NULL, performs the rectangular selection within the rectangle rect. Otherwise, (un)selects the go. The (un)selection is done according to the keys pressed (passed in the event). Can also unselect all other gos within the given group, if non-NULL.

void modify_meta_selection (struct obj *obj, GdkEventButton *event)

(Un)selects the obj according to the keys pressed (passed in the event.

float * new_float (float val)

Allocates and fills memory with val.

char * str_trim (char *str)

Cuts white chars from beginning and end of the str.

void on_file_new (void *subj)

void on_file_open (void *subj)

void on_svg_file_import (void *subj)

void on_import_ipe5 (void *subj)

void on_file_save (void *subj)

void on_file_save_all (void *subj)

void on_file_save_as (void *subj)

void on_file_close (void *subj)

void on_file_new_page (void *subj)

void on_file_close_page (void *subj)

void on_group_new_view (void *subj)

void on_page_new_view (void *subj)

void on_document_rerun_tex (void *subj)

void on_page_rerun_tex (void *subj)

void on_view_fit_selected (void *subj)

void on_view_fit_all (void *subj)

void on_view_zoom_in (void *subj)

void on_view_zoom_out (void *subj)

void on_view_zoom_reset (void *subj)

void on_export_pdf (void *subj)

void on_export_ps (void *subj)

void on_export_eps (void *subj)

void on_export_svg (void *subj)

void on_set_vrr_options (void *subj)

void on_help (void *subj)

void on_open_www (void *subj)

void on_show_about_window (void *subj)

void on_file_exit (void *subj)

void on_show_property_window (void *subj)

void on_show_console_window (void *subj)

void on_show_universe_browser (void *subj)

void on_show_main_window (void *subj)

void on_show_undo_history (void *subj)

void on_view_clipboard (void *subj)

void on_show_plugin_window (void *subj)

void on_show_unit_window (void *subj)

void on_show_settings_window (void *subj)

void on_show_style_window (void *subj)

void on_copy (void *subj)

void on_cut (void *subj)

void on_paste (void *subj)

void on_obj_copy (void *subj)

void on_obj_cut (void *subj)

void on_obj_paste (void *subj)

void on_group_selected (void *subj)

void on_group_ungroup (void *subj)

void on_group_pathize_selected (void *subj)

void on_group_select_all (void *subj)

void on_group_select_none (void *subj)

void on_move_up (void *subj)

void on_move_down (void *subj)

void on_move_front (void *subj)

void on_move_back (void *subj)

void on_page_move_up (void *subj)

void on_page_move_down (void *subj)

void on_page_move_front (void *subj)

void on_page_move_back (void *subj)

void on_create_proxy (void *subj)

void on_obj_undo (void *subj)

UNDO and REDO.

void on_obj_redo (void *subj)

void on_page_undo (void *subj)

void on_page_redo (void *subj)

void on_hist_jump (void *subj)

void on_delete (void *subj)

void on_go_enclose_sel (void *subj)

void on_rotate90 (void *subj)

void on_rotate180 (void *subj)

void on_rotate270 (void *subj)

void on_flip_vertical (void *subj)

void on_flip_horizontal (void *subj)

void on_change_prop (void *subj)

Change properties.

void on_edit_text (void *subj)

void on_undo_history (void *subj)

void on_dump (void *subj)

void on_kerntest (void *subj)

void on_random_point (void *subj)

void on_random_segment (void *subj)

void on_random_bezier_quad (void *subj)

void on_random_bezier_cubic (void *subj)

void on_path_switch (void *subj)

void on_path_end_close (void *subj)

void on_path_end (void *subj)

void on_step_back (void *subj)

void on_break_op (void *subj)

void on_snap_hangers (void *subj)

void on_snap_grid (void *subj)

void on_snap_lines (void *subj)

void on_snap_inters (void *subj)

void on_snap_depend (void *subj)

o * o_get_gui_ancestor (struct o *o)

For an obj, returns his father obj.

Variables

GtkWidget * view_menu

The popup menu of all views.

GSList * view_list

The list of all existing views.

GtkWidget * main_window

The one and the only main window instance.

console * console_window

Console (the one and the only one :)).

context context

The main GUI context.

wnd_main wnd_main

The Main window instance.

wnd_univ_browser wnd_univ_browser

The one and the only instance of the Universe browser window,.

wnd_settings wnd_settings

The one and the only Global settings window instance.

wnd_style wnd_style

The one and the only Style window instance.

wnd_plugins wnd_plugins

The one and the only Plugin window instance.

enum moving_mode moving_mode

The view moving mode of the one view where there was a move started recently.

GSList * wuh_list

The list of opened undo history windows.

GSList * text_edit_list

The list of all existing text editor windows.

GtkListStore * font_list

The list of all fonts found by the Fontconfig.

of_state ofs_start

The start state which must be the previous state of all the starting ones.

of_state ofs_end

The ending state which must be the next state for all last states.

factory factory

The one and the only GO Factory instance.

of_state ofs_select

of_state ofs_transform_x

of_state ofs_point

of_state ofs_decorator_pt

of_state ofs_arrow

of_state ofs_point_inters

of_state ofs_ngon_1

of_state ofs_segment_1

of_state ofs_bez_cub_1

of_state ofs_bez_quad_1

of_state ofs_arc_3p_1

of_state ofs_arc_center_radius_1

of_state ofs_circ_3p_1

of_state ofs_circ_center_pt_1

of_state ofs_circ_center_radius_1

of_state ofs_ellipse_3p_smallest_1

of_state ofs_ellipse_3p_ecc_1

of_state ofs_ellarc_center_radii_1

of_state ofs_ellipse_center_radii_1

of_state ofs_ellipse_foci_pt_1

of_state ofs_ellipse_xy1ecc_1

of_state ofs_transform_1

of_state ofs_rehang_1 ofs_rehang_2

of_state ofs_text_1

of_state ofs_tex_text_1

GdkPixbuf * icon_arrow_down

GdkPixbuf * icon_arrow_up

GdkPixbuf * icon_arrow_left

GdkPixbuf * icon_arrow_right

GdkPixbuf * icon_pencil_on

GdkPixbuf * icon_modified

GdkPixbuf * icon_rotation_left

GdkPixbuf * icon_rotation_right

GdkPixbuf * icon_zoom_in

GdkPixbuf * icon_zoom_out

Detailed Description

GUI - The main gui structures, windows, and functions.

Define Documentation

#define WIN_O_MAGIC u8 type; SCM proxy; GtkWidget * statusbar; gint context_id

The common data for most GUI windows.
They are in the beginning of the structure to enable typecasts.

Enumeration Type Documentation

enum of_flags

The GO factory flags.

Enumeration values:

OFF_OPERATION_ACTIVE If there is an active operation (not in the initial state, but with some input already obtained.

OFF_PATH_ON If the path mode is on.

OFF_PATH_ACTIVE If there is a path created.

OFF_PATH_DESTROYED A path is just being destroyed by the factory.

enum ofs_flags

The GO Factory state flags.

Enumeration values:

OFF_FULL If the state has its required input ready.

OFF_START_MOVE If the state does start the move.

OFF_END_MOVE If the state does end the move.

OFF_PATHABLE If the state creates an object which can be contained in a path.

OFF_HIDE_HANGERS If the state does not work with hangers, hide them.

Function Documentation

void create_universe_browser ( void )

Create the Universe browser window.
The window data structure is the global wnd_univ_browser.

struct wnd_undo_history* create_wnd_undo_history ( struct obj_page * page )

Create the undo history window.

Returns:
A pointer to the allocated window structure.

int factory_merge_trans ( void )

Merge all partial transactions for the current operation.
Returns nonzero if there was at least one new transaction since that.

void factory_op_start ( struct go_group * group,

struct of_state * state,

char * desc

)

Start a new factory operation.

Parameters:

state The state to start with

void factory_op_step ( void )

Move to the next state.
This function should be called when the input value for the current state is ready.

int fill_font_list ( void )

Fill the font list using the Fontconfig.

Return values:

zero if succesful

char* get_new_noname ( void )

Get a new name for an untitled document.

Returns:
The pointer to a static buffer (should not be freed).

char* get_new_page_noname ( struct obj_doc * doc )

Get the name for a new untitled page in the document.

Returns:
The pointer to a static buffer (should not be freed).

void main_quit ( void )

Closes all opened documents and does all neccessary cleaning before quitting.
After that, terminates the program.

struct o* o_get_gui_ancestor ( struct o * o )

For an obj, returns his father obj.
For a go in a top level group, returns the page. For other gos, returns their father group.

void refresh_gui ( void )

Update all the GUI widgets whose values depend on context or similar settings.
Sync all menus (enable/disable) the menu items, indicator icons, ...

void set_fifi_enabled ( uns enabled )

Enable or disable Fifi.

Parameters:

enabled Whether to enable Fifi

void set_fifi_on ( uns on )

Set Fifi on or off.

Parameters:

on Whether to show Fifi

void snap_point ( struct geom_point * pos,

struct dist_pass_result * dpr,

struct geom_transform2 * grid,

struct obj_page * page,

real maxdist

)

Snap the point using the current snap settings.

Parameters:

pos The position to be snapped

dpr The result of the dist pass -- the nearest suitable object found

grid The view grid

page The parent page inside which to snap

maxdist The maximum snap distance

void snap_to_anchor ( struct geom_point * pos,

struct dist_pass_result * dpr,

struct obj_page * page,

real maxdist

)

Snap the point to an anchor using the current snap settings.

Parameters:

pos The position to be snapped

dpr The result of the dist pass -- the nearest suitable object found

page The parent page inside which to snap

maxdist The maximum snap distance

void snap_to_go ( struct geom_point * pos,

struct dist_pass_result * dpr,

struct obj_page * page,

real maxdist

)

Snap the point to an object using the current snap settings.

Parameters:

pos The position to be snapped

dpr The result of the dist pass -- the nearest suitable object found

page The parent page inside which to snap

maxdist The maximum snap distance

void text_edit_create ( struct o * o,

string text_key

)

Create the text editor window.
The window has three forms according to what object o is edited and what is the key identifier of the property. For the "text" property of a go_text and go_tex_text, it displays additional property editors.

void view_moving_start ( struct geom_point pix,

struct view * vw,

enum moving_mode mode,

GdkCursorType cursor_type

)

Start moving in view.
Set the given moving mode and the cursor of cursor_type to the view window.
Parameters:

pix the pixel coordinates of the startpoint

Generated on Tue Dec 9 16:30:09 2008 for Vrr by

1.3.5


Data Structures
struct	console
struct	console_search_stack
struct	console_string
struct	context
	The context structure. More...
struct	factory
	The one and the only GO Factory instance. More...
struct	of_state
	The structure for one GO factory state. More...
struct	text_edit
	The Text editor window structure. More...
struct	view
	The View window structure. More...
struct	view_navigator
	The View navigator structure. More...
struct	window
	The general window structure used for most GUI windows. More...
struct	wnd_main
	Main window structure. More...
struct	wnd_plugins
	The Plugin window structure. More...
struct	wnd_settings
	The Global settings window strucure. More...
struct	wnd_style
	The Style window structure. More...
struct	wnd_undo_history
	The Undo history window structure. More...
struct	wnd_univ_browser
	The Universe browser window structure. More...
Defines
#define	MAX_ERR_MSG_LENGTH TRANS_ERR_SIZE + 200
	Maximal length of error mssage (includes also additional arguments).
#define	VRR_HOMEPAGE "http://vrr.ucw.cz/"
	URL of the VRR homepage.
#define	TOLERANCE_PIX 10
	The snap tolerance in pixels.
#define	EXTERNAL_TEXT_EDITOR "vim"
	Text editor, which can be used by vrr to modify text files.
#define	TEXT_EDITOR_RUN_IN_TERM 1
	Do we use a text editor which must be run in a terminal?
#define	WWW_BROWSER "links"
	Which command should be use to open web browser for help?
#define	WWW_BROWSER_RUN_IN_TERM 1
	Do we use a browser which must be run in a terminal?
#define	FAVOURITE_TERMINAL "rxvt"
	The terminal to run browser and/or text editor, if needed.
#define	GRID_X1 10.0
	The x-coordinate of the first grid vector.
#define	GRID_Y1 0.0
	The y-coordinate of the first grid vector.
#define	GRID_X2 0.0
	The x-coordinate of the second grid vector.
#define	GRID_Y2 10.0
	The y-coordinate of the second grid vector.
#define	GRID_COLOR (rgba_uns2uns(128, 128, 128, 255))
	The default grid color.
#define	RULERX_RES 10.0
	The resolution of the horizontal ruler.
#define	RULERY_RES 10.0
	The resolution of the vertical ruler.
#define	PANNING_DRAG_IMAGE 0
	Whether to drag the image, not the view.
#define	ENABLE_FIFI 0
	Whether to enable Fifi.
#define	SAFE_G_VALUE(_x) GValue _x; bzero(&_x, sizeof(_x))
	A macro that defines a GValue and initializes it to zero.
#define	WIN_O_MAGIC u8 type; SCM proxy; GtkWidget * statusbar; gint context_id
	The common data for most GUI windows.
#define	statusbar_err(_win,) statusbar_msg(_win, ":-( "__VA_ARGS__)
Enumerations
enum	{ SNAP_HANGERS = 1, SNAP_GRID = 2, SNAP_LINES = 4, SNAP_INTERS = 8, SNAP_DEPENDENCY = 16 }
	Flags for snap settings.
enum	window_type { WT_VIEW, WT_UNDO_HISTORY, WT_UNIVERSE_BROWSER, WT_PROPERTIES, WT_PLUGINS, WT_TEXT_EDITOR, WT_CONSOLE, WT_MAIN_WINDOW, WT_UNITS }
	The window type identifier used in the gerenal window structure struct window.
enum	moving_mode { MOVE_NONE, MOVE_FACTORY, MOVE_TRANSFORM, MOVE_TRANSFORM_2, MOVE_PANNING, MOVE_PANNING_NAV, MOVE_PANNING_IMG, MOVE_SELECT, MOVE_CNT }
	The internal moving modes of the View.
enum	console_state { STATE_NORMAL, STATE_FSEARCH_FIRST, STATE_RSEARCH_FIRST, STATE_FSEARCH, STATE_RSEARCH }
enum	of_input_kind { OFIK_NONE, OFIK_DPR, OFIK_PROP, OFIK_SEL, OFIK_TRANSFORM, OFIK_TF }
	The kind of the input object of a factory state.
enum	of_go_role { OFR_DISPLAY, OFR_CNT }
enum	ofs_flags { OFF_FULL = 1, OFF_START_MOVE = 2, OFF_END_MOVE = 4, OFF_PATHABLE = 8, OFF_HIDE_HANGERS = 16 }
	The GO Factory state flags. More...
enum	of_flags { OFF_OPERATION_ACTIVE = 1, OFF_PATH_ON = 2, OFF_PATH_ACTIVE = 4, OFF_PATH_DESTROYED = 8 }
	The GO factory flags. More...
Functions
void	win_o_init (struct window *window, uns type)
	Initialize the window with the given type, create the statusbar, initialize scheme proxy.
void	win_o_finish (struct window *window)
	Finalize the window.
void	change_context (struct window window, struct go_group group, struct o *o)
	Changes the current context and does some change notifications by calling some functions.
void	main_window_create (void)
	Create the main window (the only instance in wnd_main).
void	main_window_show (void)
	Show the main window (the only instance in wnd_main).
void	main_window_refresh_menu (void)
void	main_window_refresh_toolbar (void)
void	create_universe_browser (void)
	Create the Universe browser window.
void	ub_refresh_menu (void)
	Refresh the menu (and rebuild, if necessary.
void	ub_context_changed (struct context *old_context)
	Show/hide the context icons where needed.
view *	create_view (struct go_group *group)
	Create a view for the given group.
void	close_view (struct view *vw)
	Close the view and deallocate all resources (some of them need to be deallocated before the window is destroyed).
void	view_refresh_toolbar (struct view *vw)
void	view_refresh_menu (void)
void	view_update_grid (struct view *vw)
void	transform_update (struct view *vw)
	Update and refresh the transformation box and gadgets.
void	view_get_size (struct view vw, uns width, uns *height)
void	view_moving_start (struct geom_point pix, struct view *vw, enum moving_mode mode, GdkCursorType cursor_type)
	Start moving in view.
void	view_moving_end (void)
	End the moving, unset the cursor and set moving state to MOVE_NONE.
void	view_moving_release (GdkEventButton event, struct view vw)
	Process the button release event of the moving drag.
void	view_moving_motion (GdkEventMotion event, struct view vw)
	Save the last move coordinates and set the events_pending flag on.
void	view_clicked (GdkEventButton event, struct view vw)
	Process the click event -- save the coordinates.
void	view_selection_start (struct geom_point coords, struct geom_point coords_pix, struct view *vw)
	Start the rectangular selection.
int	view_transform_start (GdkEventButton event, struct geom_point coords, struct geom_point coords_pix, struct view vw)
	Start the transformation drag move.
void	view_s_transform_start (GdkEventButton event, struct geom_point coords, struct geom_point coords_pix, struct view view)
	Start the Santiago's transformation drag move.
void	view_panning_start (struct geom_point coords_pix, struct view *vw)
	Start the panning move.
void	view_panning_nav_start (struct geom_point coords, struct geom_point coords_pix, struct view *vw)
	Start the panning move in the View navigator.
void	set_fifi_on (uns on)
	Set Fifi on or off.
void	set_fifi_enabled (uns enabled)
	Enable or disable Fifi.
void	transform_set_shift (int on, struct view *vw)
	Set or unset the shift mode of the tranformation box.
void	transform_recalc_dimen (struct view *vw)
	Recalculate the dimension mode of the transformation bbox (empty, wide, high) and redisplay it.
void	transform_recalc_all (struct view *vw)
	Recalculate the transformation box and gadget positions.
wnd_undo_history *	create_wnd_undo_history (struct obj_page *page)
	Create the undo history window.
void	wuh_refresh_toolbar (struct wnd_undo_history *wuh)
void	gui_fonts_finish (void)
	Destroy the allocated font list.
int	fill_font_list (void)
	Fill the font list using the Fontconfig.
uns	fonts_iter_to_font_id (GtkTreeIter *ti)
	Convert the TreeIter of the font list to font_id.
int	fonts_compare_iter_with (GtkTreeIter ti, char filename)
	Compare the TreeIter of the font list with the font filename.
int	fonts_get_default (void)
	Return the default or least recently used font_id.
void	text_edit_create (struct o *o, string text_key)
	Create the text editor window.
void	console_create (void)
void	console_init (void)
void	factory_init (void)
void	factory_finish (void)
void	factory_op_start (struct go_group group, struct of_state state, char *desc)
	Start a new factory operation.
void	factory_op_break (void)
	Break the current operation -- return to the state before it.
void	factory_moving_step (struct geom_point po)
	Move the factory cursor to the new point position.
void	factory_op_step (void)
	Move to the next state.
int	factory_merge_trans (void)
	Merge all partial transactions for the current operation.
void	factory_op_step_back (void)
	Move to the previous state and undo the effect of the last step.
void	factory_msg (const char *text)
	Output a factory message into the factory statusbar.
go *	factory_get_created_go (void)
void	snap_point (struct geom_point pos, struct dist_pass_result dpr, struct geom_transform2 grid, struct obj_page page, real maxdist)
	Snap the point using the current snap settings.
void	snap_to_go (struct geom_point pos, struct dist_pass_result dpr, struct obj_page *page, real maxdist)
	Snap the point to an object using the current snap settings.
void	snap_to_anchor (struct geom_point pos, struct dist_pass_result dpr, struct obj_page *page, real maxdist)
	Snap the point to an anchor using the current snap settings.
char *	get_new_noname (void)
	Get a new name for an untitled document.
char *	get_new_page_noname (struct obj_doc *doc)
	Get the name for a new untitled page in the document.
void	refresh_gui (void)
	Update all the GUI widgets whose values depend on context or similar settings.
void	main_quit (void)
	Closes all opened documents and does all neccessary cleaning before quitting.
GdkPixbuf *	icon_load (const char *filename)
GtkWidget *	image_get_from_icon (GdkPixbuf *icon)
void	statusbar_clear (struct window *window)
void	statusbar_msg (struct window window, const char fmt,...) FORMAT(2
void	modify_selection (struct go go, struct obj_page page, GdkEventButton event, struct geom_rectangle rect, struct go_group *group)
	(Un)selects some objects according to the rect, go and group. If the rect is non-NULL, performs the rectangular selection within the rectangle rect. Otherwise, (un)selects the go. The (un)selection is done according to the keys pressed (passed in the event). Can also unselect all other gos within the given group, if non-NULL.
void	modify_meta_selection (struct obj obj, GdkEventButton event)
	(Un)selects the obj according to the keys pressed (passed in the event.
float *	new_float (float val)
	Allocates and fills memory with val.
char *	str_trim (char *str)
	Cuts white chars from beginning and end of the str.
void	on_file_new (void *subj)
void	on_file_open (void *subj)
void	on_svg_file_import (void *subj)
void	on_import_ipe5 (void *subj)
void	on_file_save (void *subj)
void	on_file_save_all (void *subj)
void	on_file_save_as (void *subj)
void	on_file_close (void *subj)
void	on_file_new_page (void *subj)
void	on_file_close_page (void *subj)
void	on_group_new_view (void *subj)
void	on_page_new_view (void *subj)
void	on_document_rerun_tex (void *subj)
void	on_page_rerun_tex (void *subj)
void	on_view_fit_selected (void *subj)
void	on_view_fit_all (void *subj)
void	on_view_zoom_in (void *subj)
void	on_view_zoom_out (void *subj)
void	on_view_zoom_reset (void *subj)
void	on_export_pdf (void *subj)
void	on_export_ps (void *subj)
void	on_export_eps (void *subj)
void	on_export_svg (void *subj)
void	on_set_vrr_options (void *subj)
void	on_help (void *subj)
void	on_open_www (void *subj)
void	on_show_about_window (void *subj)
void	on_file_exit (void *subj)
void	on_show_property_window (void *subj)
void	on_show_console_window (void *subj)
void	on_show_universe_browser (void *subj)
void	on_show_main_window (void *subj)
void	on_show_undo_history (void *subj)
void	on_view_clipboard (void *subj)
void	on_show_plugin_window (void *subj)
void	on_show_unit_window (void *subj)
void	on_show_settings_window (void *subj)
void	on_show_style_window (void *subj)
void	on_copy (void *subj)
void	on_cut (void *subj)
void	on_paste (void *subj)
void	on_obj_copy (void *subj)
void	on_obj_cut (void *subj)
void	on_obj_paste (void *subj)
void	on_group_selected (void *subj)
void	on_group_ungroup (void *subj)
void	on_group_pathize_selected (void *subj)
void	on_group_select_all (void *subj)
void	on_group_select_none (void *subj)
void	on_move_up (void *subj)
void	on_move_down (void *subj)
void	on_move_front (void *subj)
void	on_move_back (void *subj)
void	on_page_move_up (void *subj)
void	on_page_move_down (void *subj)
void	on_page_move_front (void *subj)
void	on_page_move_back (void *subj)
void	on_create_proxy (void *subj)
void	on_obj_undo (void *subj)
	UNDO and REDO.
void	on_obj_redo (void *subj)
void	on_page_undo (void *subj)
void	on_page_redo (void *subj)
void	on_hist_jump (void *subj)
void	on_delete (void *subj)
void	on_go_enclose_sel (void *subj)
void	on_rotate90 (void *subj)
void	on_rotate180 (void *subj)
void	on_rotate270 (void *subj)
void	on_flip_vertical (void *subj)
void	on_flip_horizontal (void *subj)
void	on_change_prop (void *subj)
	Change properties.
void	on_edit_text (void *subj)
void	on_undo_history (void *subj)
void	on_dump (void *subj)
void	on_kerntest (void *subj)
void	on_random_point (void *subj)
void	on_random_segment (void *subj)
void	on_random_bezier_quad (void *subj)
void	on_random_bezier_cubic (void *subj)
void	on_path_switch (void *subj)
void	on_path_end_close (void *subj)
void	on_path_end (void *subj)
void	on_step_back (void *subj)
void	on_break_op (void *subj)
void	on_snap_hangers (void *subj)
void	on_snap_grid (void *subj)
void	on_snap_lines (void *subj)
void	on_snap_inters (void *subj)
void	on_snap_depend (void *subj)
o *	o_get_gui_ancestor (struct o *o)
	For an obj, returns his father obj.
Variables
GtkWidget *	view_menu
	The popup menu of all views.
GSList *	view_list
	The list of all existing views.
GtkWidget *	main_window
	The one and the only main window instance.
console *	console_window
	Console (the one and the only one :)).
context	context
	The main GUI context.
wnd_main	wnd_main
	The Main window instance.
wnd_univ_browser	wnd_univ_browser
	The one and the only instance of the Universe browser window,.
wnd_settings	wnd_settings
	The one and the only Global settings window instance.
wnd_style	wnd_style
	The one and the only Style window instance.
wnd_plugins	wnd_plugins
	The one and the only Plugin window instance.
enum moving_mode	moving_mode
	The view moving mode of the one view where there was a move started recently.
GSList *	wuh_list
	The list of opened undo history windows.
GSList *	text_edit_list
	The list of all existing text editor windows.
GtkListStore *	font_list
	The list of all fonts found by the Fontconfig.
of_state	ofs_start
	The start state which must be the previous state of all the starting ones.
of_state	ofs_end
	The ending state which must be the next state for all last states.
factory	factory
	The one and the only GO Factory instance.
of_state	ofs_select
of_state	ofs_transform_x
of_state	ofs_point
of_state	ofs_decorator_pt
of_state	ofs_arrow
of_state	ofs_point_inters
of_state	ofs_ngon_1
of_state	ofs_segment_1
of_state	ofs_bez_cub_1
of_state	ofs_bez_quad_1
of_state	ofs_arc_3p_1
of_state	ofs_arc_center_radius_1
of_state	ofs_circ_3p_1
of_state	ofs_circ_center_pt_1
of_state	ofs_circ_center_radius_1
of_state	ofs_ellipse_3p_smallest_1
of_state	ofs_ellipse_3p_ecc_1
of_state	ofs_ellarc_center_radii_1
of_state	ofs_ellipse_center_radii_1
of_state	ofs_ellipse_foci_pt_1
of_state	ofs_ellipse_xy1ecc_1
of_state	ofs_transform_1
of_state ofs_rehang_1	ofs_rehang_2
of_state	ofs_text_1
of_state	ofs_tex_text_1
GdkPixbuf *	icon_arrow_down
GdkPixbuf *	icon_arrow_up
GdkPixbuf *	icon_arrow_left
GdkPixbuf *	icon_arrow_right
GdkPixbuf *	icon_pencil_on
GdkPixbuf *	icon_modified
GdkPixbuf *	icon_rotation_left
GdkPixbuf *	icon_rotation_right
GdkPixbuf *	icon_zoom_in
GdkPixbuf *	icon_zoom_out