gui/main.h

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#ifndef __VRR_MAIN_H__
#define __VRR_MAIN_H__

#include "lib/lib.h"

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

#define MAX_ERR_MSG_LENGTH              TRANS_ERR_SIZE + 200

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

#define TOLERANCE_PIX                   10

#define EXTERNAL_TEXT_EDITOR            "vim"

#define TEXT_EDITOR_RUN_IN_TERM         1

#define WWW_BROWSER                     "links"

#define WWW_BROWSER_RUN_IN_TERM         1

#define FAVOURITE_TERMINAL              "rxvt"

#define GRID_X1                         10.0

#define GRID_Y1                         0.0

#define GRID_X2                         0.0

#define GRID_Y2                         10.0

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

#define RULERX_RES                      10.0

#define RULERY_RES                      10.0

#define PANNING_DRAG_IMAGE              0

#define ENABLE_FIFI                     0

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

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

extern GtkWidget * view_menu;           
extern GSList * view_list;              
extern GtkWidget * main_window;         
extern struct console *console_window;  

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,
};

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

struct window { WIN_O_MAGIC; };
void win_o_init( struct window * window, uns type );
void win_o_finish( struct window * window );

struct context {
        struct window * w;      
        struct obj_doc * doc;   
        struct obj_page * page; 
        struct go_group * group; 
        struct o * o;           
        int sel_cnt[GOT_MAX];   
        int sel_cnt_all;        
        int msel_cnt_all;       
        int sel_valid;          
        int msel_valid;         
        uns sel_mask;           
        uns msel_mask;          
};
extern struct context context;
void change_context( struct window * window, struct go_group * group, struct o * o );

/* ***** MAIN WINDOW *****/
struct wnd_main
{
        WIN_O_MAGIC;
        GtkWidget * window;
        GtkWidget * menubar, * menubox;
        GtkWidget * toolbar, * toolbox;
};
extern struct wnd_main wnd_main;
void main_window_create(void);
void main_window_show(void);

void main_window_refresh_menu(void);
void main_window_refresh_toolbar(void);

/* ***** UNIVERSE BROWSER *****/

struct VrrKernelStore;
struct wnd_univ_browser{
        WIN_O_MAGIC;
        GtkWidget * window;                     
        int visible;                            
        struct VrrKernelStore * tree_store;     
        GtkWidget * tree_view;                  
        GtkWidget * menu;                       
};
extern struct wnd_univ_browser wnd_univ_browser;

void create_universe_browser(void);
void ub_refresh_menu(void);
void ub_context_changed(struct context * old_context);

/* ***** OPTIONS WINDOW ******/
struct wnd_settings{
        GtkWidget *window;
        struct prop_item * pi;
        struct obj_hook oh;
};
extern struct wnd_settings wnd_settings;

/* ***** STYLE WINDOW ******/
struct wnd_style
{
        GtkWidget * window;
        struct prop_item * pi;
        struct go_hook gh;
};
extern struct wnd_style wnd_style;

/* ***** PLUGIN WINDOW *****/
struct wnd_plugins
{
        WIN_O_MAGIC;
        GtkWidget * window;
        int visible;
        GtkListStore * plugin_list;
        GtkTreeStore * function_list;
        GtkWidget * plugin_view;
        GtkWidget * function_view;
        GtkWidget * unload_button;
};
extern struct wnd_plugins wnd_plugins;

/* ***** THE VIEW ******/
enum moving_mode
{
        MOVE_NONE,
        MOVE_FACTORY,
        MOVE_TRANSFORM,
        MOVE_TRANSFORM_2,
        MOVE_PANNING,
        MOVE_PANNING_NAV,
        MOVE_PANNING_IMG,
        MOVE_SELECT,
        MOVE_CNT
};

struct view_navigator;
struct visualisation;
struct view{
        WIN_O_MAGIC;
        struct go_group * group;        
        struct obj_page *page;          
        struct obj_hook obj_hook;       
        struct go_hook go_hook;         
        struct visualisation vis;       
        int tf_drag_on;                 
        struct geom_point transform_origin;     
        struct geom_point axis;         
        uns transform_state;            
        real tolerance;                 
        struct geom_transform2 grid;    
        struct vcl_affinity * fifi;     

        GtkWidget *window;              
        GtkWidget *table;               
        GtkWidget *vruler;              
        GtkWidget *hruler;              
        GtkWidget *toolbar;             
        GtkWidget *toolbar2;            
        GtkAdjustment *vadj;            
        GtkAdjustment *hadj;            
        GtkWidget *vscrollbar;          
        GtkWidget *hscrollbar;          
        GtkWidget *image_on;            
        GtkWidget *image_modified;      
        struct view_navigator * navigator;      

        GtkWidget * zoombar;            
        GtkWidget * factory_statusbar;  
        GtkWidget * factory_box;        
        uns factory_box_full;           
        GtkWidget * coords_label;       
        struct prop_item * pi;          
};
struct view_navigator
{
        GtkWidget * window;
        GtkSpinButton * zoom_entry, * rot_entry;
        real zoom, rotation;            
        struct visualisation vis;       
        struct vcl_path * box;          
        struct view * parent_view;      
};
struct view * create_view(struct go_group * group);
void close_view(struct view * vw);
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 );
void view_get_size (struct view * vw, uns *width, uns *height);

//MOVING FUNCTIONS
void view_moving_start(struct geom_point pix, struct view * vw, enum moving_mode mode, GdkCursorType cursor_type);
void view_moving_end(void);
void view_moving_release( GdkEventButton *event, struct view * vw );
void view_moving_motion( GdkEventMotion *event, struct view *vw );
void view_clicked( GdkEventButton * event, struct view * vw );
void view_selection_start( struct geom_point coords, struct geom_point coords_pix, struct view * vw );
int view_transform_start( GdkEventButton *event, struct geom_point coords, struct geom_point coords_pix, struct view * vw );
void view_s_transform_start( GdkEventButton *event, struct geom_point coords, struct geom_point coords_pix, struct view * view );
void view_panning_start( struct geom_point coords_pix, struct view * vw );
void view_panning_nav_start( struct geom_point coords, struct geom_point coords_pix, struct view * vw );

void set_fifi_on(uns on);
void set_fifi_enabled(uns enabled);
void transform_set_shift( int on, struct view * vw );
void transform_update( struct view *vw );
void transform_recalc_dimen( struct view * vw );
void transform_recalc_all( struct view * vw );
extern enum moving_mode moving_mode;

/* ****** UNDO HISTORY WINDOW *****/

struct VrrUndoStore;
struct wnd_undo_history{
        WIN_O_MAGIC;
        GtkWidget * window;
        GtkWidget * vbox;
        GtkWidget * undo_view;
        struct VrrUndoStore * undo_model;
        GtkWidget * toolbar;
        struct obj_page * page;
        struct obj_hook obj_hook;
        struct trans_hook trans_hook;
};
extern GSList * wuh_list; 

struct wnd_undo_history * create_wnd_undo_history(struct obj_page *page);
void wuh_refresh_toolbar( struct wnd_undo_history * wuh );

/* ****** TEXT EDITOR *******/
struct text_edit
{
        WIN_O_MAGIC;
        uns mode;
        struct o * o;
        struct obj_page * parent_page;  
        struct prop_item * pi;
        string text_key;        
        uns prop_count;         
        GtkWidget * window;
        GtkTextBuffer * text_buf;
        GtkWidget * modified_icon;
        struct obj_hook obj_hook;
        struct go_hook go_hook;
};
extern GSList * text_edit_list;
extern GtkListStore *font_list;
void gui_fonts_finish(void);
int fill_font_list(void);
uns fonts_iter_to_font_id( GtkTreeIter * ti );
int fonts_compare_iter_with( GtkTreeIter * ti, char * filename );
int fonts_get_default(void);
void text_edit_create( struct o * o, string text_key );

/* ****** SCHEME CONSOLE *******/

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

struct console_string {
        struct snode list;
        char *data;
};

struct console_search_stack
{
        enum console_state state;
        s16 search_buffer_used;
        s16 search_buffer_chars;
        GtkTextMark *mark;
        struct console_search_stack *next;
};

struct console {
        WIN_O_MAGIC;
        GtkWidget *window;
        GtkTextView *text;
        GtkTextBuffer *buf;
        GtkTextTag *input_tag, *output_tag,  *edit_tag;
        GtkTextMark *open_mark, *close_mark;

        int visible;
        int blockread;
        enum console_state state;

        char *search_buffer;
        s16 search_buffer_size;
        s16 search_buffer_used;
        s16 search_buffer_chars;
        struct console_search_stack *search_stack;

        SCM port;
};

void console_create (void);
void console_init (void);

/* **** OPERATION FACTORY ******/

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

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 
};
struct of_state {
        uns flags;                      
        enum of_input_kind input_kind;  
        uns input_type;                 

        uns input_subtype;              
        union {
                struct dist_pass_result dpr;    
                struct prop prop;               
        } value;                        
        char * description;             
        void (* action_func)(struct of_state *);        
        void (* cleanup_func)(struct of_state *);       
        struct of_state * prev;         
        struct of_state * next;         
        struct undo_gui * prev_undo_item;       
        struct go * tmp_go[OFR_CNT];    
};
extern struct of_state ofs_start;
extern struct of_state ofs_end;

enum of_flags {
        OFF_OPERATION_ACTIVE = 1,       
        OFF_PATH_ON = 2,                
        OFF_PATH_ACTIVE = 4,            
        OFF_PATH_DESTROYED = 8          
};
extern struct factory {
        uns flags;
        struct obj_page * page;         
        struct go_group * group;        
        struct of_state * state;        
        struct of_state * start_state;  
        string desc;                    
        real snap_tolerance;            
        uns snap_set;                   
        uns snap_tol_pix;               
        struct hanger * hanger_cursor;  
        struct go_path * path;          
} factory;

//PUBLIC Operation Factory states
extern struct of_state ofs_select;
extern struct of_state ofs_transform_x;
extern struct of_state ofs_point;
extern struct of_state ofs_decorator_pt;
extern struct of_state ofs_arrow;
extern struct of_state ofs_point_inters;
extern struct of_state ofs_ngon_1;
extern struct of_state ofs_segment_1;
extern struct of_state ofs_bez_cub_1;
extern struct of_state ofs_bez_quad_1;
extern struct of_state ofs_arc_3p_1;
extern struct of_state ofs_arc_center_radius_1;
extern struct of_state ofs_circ_3p_1;
extern struct of_state ofs_circ_center_pt_1;
extern struct of_state ofs_circ_center_radius_1;
extern struct of_state ofs_ellipse_3p_smallest_1;
extern struct of_state ofs_ellipse_3p_ecc_1;
extern struct of_state ofs_ellarc_center_radii_1;
extern struct of_state ofs_ellipse_center_radii_1;
extern struct of_state ofs_ellipse_foci_pt_1;
extern struct of_state ofs_ellipse_xy1ecc_1;
extern struct of_state ofs_transform_1;
extern struct of_state ofs_rehang_1, ofs_rehang_2;
extern struct of_state ofs_text_1;
extern struct of_state ofs_tex_text_1;

//OPERATION FACTORY FUNCTIONS
void factory_init(void);
void factory_finish(void);
void factory_op_start( struct go_group * group, struct of_state * state, char * desc );
void factory_op_break( void );
void factory_moving_step(struct geom_point po);
void factory_op_step( void );
int factory_merge_trans(void);
void factory_op_step_back(void);
void factory_msg(const char * text);

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

/* ***** MISC ******/
char * get_new_noname(void);
char * get_new_page_noname(struct obj_doc * doc);
void refresh_gui(void);

void main_quit(void);

//RESOURCES
extern GdkPixbuf * icon_arrow_down, * icon_arrow_up, * icon_arrow_left, * icon_arrow_right;
extern GdkPixbuf * icon_pencil_on, * icon_modified;
extern GdkPixbuf * icon_rotation_left, * icon_rotation_right, * icon_zoom_in, * icon_zoom_out;

//FUNCTIONS
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(2,3);
#define statusbar_err(_win,...) statusbar_msg(_win, ":-( "__VA_ARGS__)

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

float *new_float(float val);

char *str_trim(char *str);


/* ****** CALLBACKS ******/

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 );
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 );
void on_edit_text( void * subj );

void on_undo_history( void * subj );
void on_dump( void * subj );
void on_kerntest( void * subj );

/* GO creating callbacks. Implemented in creatego.c */
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 );

/* Snap modes */
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 );

/* MISC */

struct o * o_get_gui_ancestor(struct o * o);

#endif

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