2 #include <libgnomecanvas/libgnomecanvas.h>
6 #define CONFIG_DIR ".xournal"
7 #define MRU_FILE "recent-files"
9 #define CONFIG_FILE "config"
11 // DATA STRUCTURES AND CONSTANTS
13 #define PIXEL_MOTION_THRESHOLD 0.3
17 #define DISPLAY_DPI_DEFAULT 96.0
20 /* a string (+ aux data) that maintains a refcount */
22 typedef struct Refstring {
29 /* The journal is mostly a list of pages. Each page is a list of layers,
30 and a background. Each layer is a list of items, from bottom to top.
33 typedef struct Background {
35 GnomeCanvasItem *canvas_item;
43 int pixbuf_dpi; // for PDF only - the *current* dpi value
44 double pixbuf_scale; // for PIXMAP, this is the *current* zoom value
45 // for PDF, this is the *requested* zoom value
50 #define BG_PDF 2 // not implemented yet
53 #define RULING_LINED 1
54 #define RULING_RULED 2
55 #define RULING_GRAPH 3
57 #define DOMAIN_ABSOLUTE 0
58 #define DOMAIN_ATTACH 1
59 #define DOMAIN_CLONE 2 // only while loading file
61 typedef struct Brush {
75 #define COLOR_LIGHTBLUE 5
76 #define COLOR_LIGHTGREEN 6
77 #define COLOR_MAGENTA 7
78 #define COLOR_ORANGE 8
79 #define COLOR_YELLOW 9
80 #define COLOR_WHITE 10
81 #define COLOR_OTHER -1
84 extern guint predef_colors_rgba[COLOR_MAX];
85 extern guint predef_bgcolors_rgba[COLOR_MAX];
87 #define THICKNESS_VERYFINE 0
88 #define THICKNESS_FINE 1
89 #define THICKNESS_MEDIUM 2
90 #define THICKNESS_THICK 3
91 #define THICKNESS_VERYTHICK 4
92 #define THICKNESS_MAX 5
96 #define TOOL_HIGHLIGHTER 2
98 #define TOOL_SELECTREGION 4
99 #define TOOL_SELECTRECT 5
100 #define TOOL_VERTSPACE 6
102 #define NUM_STROKE_TOOLS 3
104 #define NUM_BUTTONS 3
106 #define TOOLOPT_ERASER_STANDARD 0
107 #define TOOLOPT_ERASER_WHITEOUT 1
108 #define TOOLOPT_ERASER_STROKES 2
110 #define HILITER_ALPHA_MASK 0xffffff80
112 extern double predef_thickness[NUM_STROKE_TOOLS][THICKNESS_MAX];
114 typedef struct BBox {
115 double left, right, top, bottom;
118 struct UndoErasureData;
120 typedef struct Item {
122 struct Brush brush; // the brush to use, if ITEM_STROKE
123 GnomeCanvasPoints *path;
124 GnomeCanvasItem *canvas_item; // the corresponding canvas item, or NULL
126 struct UndoErasureData *erasure; // for temporary use during erasures
129 // item type values for Item.type, UndoItem.type, ui.cur_item_type ...
130 // (not all are valid in all places)
132 #define ITEM_STROKE 0
133 #define ITEM_TEMP_STROKE 1
134 #define ITEM_ERASURE 2
135 #define ITEM_SELECTRECT 3
136 #define ITEM_MOVESEL 4
138 #define ITEM_NEW_LAYER 6
139 #define ITEM_DELETE_LAYER 7
140 #define ITEM_NEW_BG_ONE 8
141 #define ITEM_NEW_BG_RESIZE 9
142 #define ITEM_PAPER_RESIZE 10
143 #define ITEM_NEW_DEFAULT_BG 11
144 #define ITEM_NEW_PAGE 13
145 #define ITEM_DELETE_PAGE 14
146 #define ITEM_REPAINTSEL 15
147 #define ITEM_MOVESEL_VERT 16
150 typedef struct Layer {
151 GList *items; // the items on the layer, from bottom to top
153 GnomeCanvasGroup *group;
156 typedef struct Page {
157 GList *layers; // the layers on the page
159 double height, width;
160 double hoffset, voffset; // offsets of canvas group rel. to canvas root
161 struct Background *bg;
162 GnomeCanvasGroup *group;
165 typedef struct Journal {
166 GList *pages; // the pages in the journal
168 int last_attach_no; // for naming of attached backgrounds
171 typedef struct Selection {
172 int type; // ITEM_SELECTRECT, ITEM_MOVESEL_VERT
173 BBox bbox; // the rectangle bbox of the selection
174 struct Layer *layer; // the layer on which the selection lives
175 double anchor_x, anchor_y, last_x, last_y; // for selection motion
176 GnomeCanvasItem *canvas_item; // if the selection box is on screen
177 GList *items; // the selected items (a list of struct Item)
178 int move_pageno, orig_pageno; // if selection moves to a different page
179 struct Layer *move_layer;
180 float move_pagedelta;
183 typedef struct UIData {
184 int pageno, layerno; // the current page and layer
185 struct Page *cur_page;
186 struct Layer *cur_layer;
187 gboolean saved; // is file saved ?
188 struct Brush *cur_brush; // the brush in use (one of brushes[...])
189 int toolno[NUM_BUTTONS+1]; // the number of the currently selected tool
190 struct Brush brushes[NUM_BUTTONS+1][NUM_STROKE_TOOLS]; // the current pen, eraser, hiliter
191 struct Brush default_brushes[NUM_STROKE_TOOLS]; // the default ones
192 gboolean ruler[NUM_BUTTONS+1]; // whether each button is in ruler mode
193 int linked_brush[NUM_BUTTONS+1]; // whether brushes are linked across buttons
194 int cur_mapping; // the current button number for mappings
195 gboolean use_erasertip;
196 int which_mouse_button; // the mouse button drawing the current path
197 struct Page default_page; // the model for the default page
198 int layerbox_length; // the number of entries registered in the layers combo-box
199 struct Item *cur_item; // the item being drawn, or NULL
201 GnomeCanvasPoints cur_path; // the path being drawn
202 int cur_path_storage_alloc;
203 double zoom; // zoom factor, in pixels per pt
204 gboolean use_xinput; // use input devices instead of core pointer
205 gboolean allow_xinput; // allow use of xinput ?
206 int screen_width, screen_height; // initial screen size, for XInput events
207 double hand_refpt[2];
209 gboolean view_continuous, fullscreen, maximize_at_start;
210 gboolean in_update_page_stuff; // semaphore to avoid scrollbar retroaction
211 struct Selection *selection;
213 gboolean antialias_bg; // bilinear interpolation on bg pixmaps
214 gboolean progressive_bg; // rescale bg's one at a time
215 char *mrufile, *configfile; // file names for MRU & config
216 char *mru[MRU_SIZE]; // MRU data
217 GtkWidget *mrumenu[MRU_SIZE];
218 gboolean bg_apply_all_pages;
219 int window_default_width, window_default_height, scrollbar_step_increment;
220 gboolean print_ruling; // print the paper ruling ?
221 int default_unit; // the default unit for paper sizes
222 int startuptool; // the default tool at startup
223 gboolean startupruler;
224 int zoom_step_increment; // the increment in the zoom dialog box
225 double zoom_step_factor; // the multiplicative factor in zoom in/out
226 #if GLIB_CHECK_VERSION(2,6,0)
227 GKeyFile *config_data;
231 #define BRUSH_LINKED 0
232 #define BRUSH_COPIED 1
233 #define BRUSH_STATIC 2
235 typedef struct UndoErasureData {
236 struct Item *item; // the item that got erased
237 int npos; // its position in its layer
238 int nrepl; // the number of replacement items
239 GList *replacement_items;
242 typedef struct UndoItem {
244 struct Item *item; // for ITEM_STROKE
245 struct Layer *layer; // for ITEM_STROKE, ITEM_ERASURE, ITEM_PASTE, ITEM_NEW_LAYER, ITEM_DELETE_LAYER, ITEM_MOVESEL
246 struct Layer *layer2; // for ITEM_DELETE_LAYER with val=-1, ITEM_MOVESEL
247 struct Page *page; // for ITEM_NEW_BG_ONE/RESIZE, ITEM_NEW_PAGE, ITEM_NEW_LAYER, ITEM_DELETE_LAYER, ITEM_DELETE_PAGE
248 GList *erasurelist; // for ITEM_ERASURE
249 GList *itemlist; // for ITEM_MOVESEL, ITEM_PASTE, ITEM_REPAINTSEL
250 GList *auxlist; // for ITEM_REPAINTSEL (brushes), ITEM_MOVESEL (depths)
251 struct Background *bg; // for ITEM_NEW_BG_ONE/RESIZE, ITEM_NEW_DEFAULT_BG
252 int val; // for ITEM_NEW_PAGE, ITEM_NEW_LAYER, ITEM_DELETE_LAYER, ITEM_DELETE_PAGE
253 double val_x, val_y; // for ITEM_MOVESEL, ITEM_NEW_BG_RESIZE, ITEM_PAPER_RESIZE, ITEM_NEW_DEFAULT_BG
254 struct UndoItem *next;
258 #define MULTIOP_CONT_REDO 1 // not the last in a multiop, so keep redoing
259 #define MULTIOP_CONT_UNDO 2 // not the first in a multiop, so keep undoing
262 typedef struct BgPdfRequest {
265 gboolean initial_request; // if so, loop over page numbers
266 gboolean is_printing; // this is for printing, not for display
269 typedef struct BgPdfPage {
274 typedef struct BgPdf {
275 int status; // the rest only makes sense if this is not STATUS_NOT_INIT
276 int pid; // PID of the converter process
279 gchar *tmpfile_copy; // the temporary work copy of the file (in tmpdir)
281 GList *pages; // a list of BgPdfPage structures
282 GList *requests; // a list of BgPdfRequest structures
283 gchar *tmpdir; // where to look for pages coming from pdf converter
284 gboolean create_pages; // create journal pages as we find stuff in PDF
285 gboolean has_failed; // has failed in the past...
288 #define STATUS_NOT_INIT 0
289 #define STATUS_IDLE 1
290 #define STATUS_RUNNING 2 // currently running child process on head(requests)
291 #define STATUS_ABORTED 3 // child process running, but head(requests) aborted
292 #define STATUS_SHUTDOWN 4 // waiting for child process to shut down
296 // getting a component of the interface by name
297 #define GET_COMPONENT(a) GTK_WIDGET (g_object_get_data(G_OBJECT (winMain), a))
299 // the margin between consecutive pages in continuous view
300 #define VIEW_CONTINUOUS_SKIP 20.0
305 // the main window and the canvas
307 extern GtkWidget *winMain;
308 extern GnomeCanvas *canvas;
312 extern struct Journal journal;
313 extern struct UIData ui;
314 extern struct BgPdf bgpdf;
315 extern struct UndoItem *undo, *redo;
317 extern double DEFAULT_ZOOM;