--- /dev/null
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <math.h>
+#include <gtk/gtk.h>
+#include <libgnomecanvas/libgnomecanvas.h>
+
+#include "xournal.h"
+#include "xo-interface.h"
+#include "xo-support.h"
+#include "xo-callbacks.h"
+#include "xo-misc.h"
+
+// some global constants
+
+guint predef_colors_rgba[COLOR_MAX] =
+ { 0x000000ff, 0x3333ccff, 0xff0000ff, 0x008000ff,
+ 0x808080ff, 0x00c0ffff, 0x00ff00ff, 0xff00ffff,
+ 0xff8000ff, 0xffff00ff, 0xffffffff };
+
+guint predef_bgcolors_rgba[COLOR_MAX] = // meaningless ones set to white
+ { 0xffffffff, 0xa0e8ffff, 0xffc0d4ff, 0x80ffc0ff,
+ 0xffffffff, 0xa0e8ffff, 0x80ffc0ff, 0xffc0d4ff,
+ 0xffc080ff, 0xffff80ff, 0xffffffff };
+
+double predef_thickness[NUM_STROKE_TOOLS][THICKNESS_MAX] =
+ { { 0.42, 0.85, 1.41, 2.26, 5.67 }, // pen thicknesses = 0.15, 0.3, 0.5, 0.8, 2 mm
+ { 2.83, 2.83, 7.08, 14.17, 14.17 }, // eraser thicknesses = 1, 2.5, 5 mm
+ { 2.83, 2.83, 7.08, 14.17, 14.17 }, // highlighter thicknesses = 1, 2.5, 5 mm
+ };
+
+// some manipulation functions
+
+struct Page *new_page(struct Page *template)
+{
+ struct Page *pg = (struct Page *) g_memdup(template, sizeof(struct Page));
+ struct Layer *l = g_new(struct Layer, 1);
+
+ l->items = NULL;
+ l->nitems = 0;
+ pg->layers = g_list_append(NULL, l);
+ pg->nlayers = 1;
+ pg->bg = (struct Background *)g_memdup(template->bg, sizeof(struct Background));
+ pg->bg->canvas_item = NULL;
+ if (pg->bg->type == BG_PIXMAP || pg->bg->type == BG_PDF) {
+ gdk_pixbuf_ref(pg->bg->pixbuf);
+ refstring_ref(pg->bg->filename);
+ }
+ pg->group = (GnomeCanvasGroup *) gnome_canvas_item_new(
+ gnome_canvas_root(canvas), gnome_canvas_clipgroup_get_type(), NULL);
+ make_page_clipbox(pg);
+ update_canvas_bg(pg);
+ l->group = (GnomeCanvasGroup *) gnome_canvas_item_new(
+ pg->group, gnome_canvas_group_get_type(), NULL);
+
+ return pg;
+}
+
+/* Create a page from a background.
+ Note: bg should be an UNREFERENCED background.
+ If needed, first duplicate it and increase the refcount of the pixbuf.
+*/
+struct Page *new_page_with_bg(struct Background *bg, double width, double height)
+{
+ struct Page *pg = g_new(struct Page, 1);
+ struct Layer *l = g_new(struct Layer, 1);
+
+ l->items = NULL;
+ l->nitems = 0;
+ pg->layers = g_list_append(NULL, l);
+ pg->nlayers = 1;
+ pg->bg = bg;
+ pg->bg->canvas_item = NULL;
+ pg->height = height;
+ pg->width = width;
+ pg->group = (GnomeCanvasGroup *) gnome_canvas_item_new(
+ gnome_canvas_root(canvas), gnome_canvas_clipgroup_get_type(), NULL);
+ make_page_clipbox(pg);
+ update_canvas_bg(pg);
+ l->group = (GnomeCanvasGroup *) gnome_canvas_item_new(
+ pg->group, gnome_canvas_group_get_type(), NULL);
+
+ return pg;
+}
+
+void realloc_cur_path(int n)
+{
+ if (n <= ui.cur_path_storage_alloc) return;
+ ui.cur_path_storage_alloc = n+10;
+ ui.cur_path.coords = g_realloc(ui.cur_path.coords, 2*(n+10)*sizeof(double));
+}
+
+// undo utility functions
+
+void prepare_new_undo(void)
+{
+ struct UndoItem *u;
+ // add a new UndoItem on the stack
+ u = (struct UndoItem *)g_malloc(sizeof(struct UndoItem));
+ u->next = undo;
+ u->multiop = 0;
+ undo = u;
+ ui.saved = FALSE;
+ clear_redo_stack();
+}
+
+void clear_redo_stack(void)
+{
+ struct UndoItem *u;
+ GList *list, *repl;
+ struct UndoErasureData *erasure;
+ struct Item *it;
+
+ /* Warning: the redo items might reference items from past redo entries,
+ which have been destroyed before them. Be careful! As a rule, it's
+ safe to destroy data which has been created at the current history step,
+ it's unsafe to refer to any data from previous history steps */
+
+ while (redo!=NULL) {
+ if (redo->type == ITEM_STROKE) {
+ gnome_canvas_points_free(redo->item->path);
+ g_free(redo->item);
+ /* the strokes are unmapped, so there are no associated canvas items */
+ }
+ else if (redo->type == ITEM_ERASURE) {
+ for (list = redo->erasurelist; list!=NULL; list=list->next) {
+ erasure = (struct UndoErasureData *)list->data;
+ for (repl = erasure->replacement_items; repl!=NULL; repl=repl->next) {
+ it = (struct Item *)repl->data;
+ gnome_canvas_points_free(it->path);
+ g_free(it);
+ }
+ g_list_free(erasure->replacement_items);
+ g_free(erasure);
+ }
+ g_list_free(redo->erasurelist);
+ }
+ else if (redo->type == ITEM_NEW_BG_ONE || redo->type == ITEM_NEW_BG_RESIZE
+ || redo->type == ITEM_NEW_DEFAULT_BG) {
+ if (redo->bg->type == BG_PIXMAP || redo->bg->type == BG_PDF) {
+ if (redo->bg->pixbuf!=NULL) gdk_pixbuf_unref(redo->bg->pixbuf);
+ refstring_unref(redo->bg->filename);
+ }
+ g_free(redo->bg);
+ }
+ else if (redo->type == ITEM_NEW_PAGE) {
+ redo->page->group = NULL;
+ delete_page(redo->page);
+ }
+ else if (redo->type == ITEM_MOVESEL) {
+ g_list_free(redo->itemlist);
+ }
+ else if (redo->type == ITEM_PASTE) {
+ for (list = redo->itemlist; list!=NULL; list=list->next) {
+ it = (struct Item *)list->data;
+ if (it->type == ITEM_STROKE) gnome_canvas_points_free(it->path);
+ g_free(it);
+ }
+ g_list_free(redo->itemlist);
+ }
+ else if (redo->type == ITEM_NEW_LAYER) {
+ g_free(redo->layer);
+ }
+
+ u = redo;
+ redo = redo->next;
+ g_free(u);
+ }
+ update_undo_redo_enabled();
+}
+
+void clear_undo_stack(void)
+{
+ struct UndoItem *u;
+ GList *list;
+ struct UndoErasureData *erasure;
+
+ while (undo!=NULL) {
+ // for strokes, items are already in the journal, so we don't free them
+ // for erasures, we need to free the dead items
+ if (undo->type == ITEM_ERASURE) {
+ for (list = undo->erasurelist; list!=NULL; list=list->next) {
+ erasure = (struct UndoErasureData *)list->data;
+ gnome_canvas_points_free(erasure->item->path);
+ g_free(erasure->item);
+ g_list_free(erasure->replacement_items);
+ g_free(erasure);
+ }
+ g_list_free(undo->erasurelist);
+ }
+ else if (undo->type == ITEM_NEW_BG_ONE || undo->type == ITEM_NEW_BG_RESIZE
+ || undo->type == ITEM_NEW_DEFAULT_BG) {
+ if (undo->bg->type == BG_PIXMAP || undo->bg->type == BG_PDF) {
+ if (undo->bg->pixbuf!=NULL) gdk_pixbuf_unref(undo->bg->pixbuf);
+ refstring_unref(undo->bg->filename);
+ }
+ g_free(undo->bg);
+ }
+ else if (undo->type == ITEM_MOVESEL || undo->type == ITEM_PASTE) {
+ g_list_free(undo->itemlist);
+ }
+ else if (undo->type == ITEM_DELETE_LAYER) {
+ undo->layer->group = NULL;
+ delete_layer(undo->layer);
+ }
+ else if (undo->type == ITEM_DELETE_PAGE) {
+ undo->page->group = NULL;
+ delete_page(undo->page);
+ }
+
+ u = undo;
+ undo = undo->next;
+ g_free(u);
+ }
+ update_undo_redo_enabled();
+}
+
+// free data structures
+
+void delete_journal(struct Journal *j)
+{
+ while (j->pages!=NULL) {
+ delete_page((struct Page *)j->pages->data);
+ j->pages = g_list_delete_link(j->pages, j->pages);
+ }
+}
+
+void delete_page(struct Page *pg)
+{
+ struct Layer *l;
+
+ while (pg->layers!=NULL) {
+ l = (struct Layer *)pg->layers->data;
+ l->group = NULL;
+ delete_layer(l);
+ pg->layers = g_list_delete_link(pg->layers, pg->layers);
+ }
+ if (pg->group!=NULL) gtk_object_destroy(GTK_OBJECT(pg->group));
+ // this also destroys the background's canvas items
+ if (pg->bg->type == BG_PIXMAP || pg->bg->type == BG_PDF) {
+ if (pg->bg->pixbuf != NULL) gdk_pixbuf_unref(pg->bg->pixbuf);
+ if (pg->bg->filename != NULL) refstring_unref(pg->bg->filename);
+ }
+ g_free(pg->bg);
+ g_free(pg);
+}
+
+void delete_layer(struct Layer *l)
+{
+ struct Item *item;
+
+ while (l->items!=NULL) {
+ item = (struct Item *)l->items->data;
+ if (item->type == ITEM_STROKE && item->path != NULL)
+ gnome_canvas_points_free(item->path);
+ // don't need to delete the canvas_item, as it's part of the group destroyed below
+ g_free(item);
+ l->items = g_list_delete_link(l->items, l->items);
+ }
+ if (l->group!= NULL) gtk_object_destroy(GTK_OBJECT(l->group));
+ g_free(l);
+}
+
+// referenced strings
+
+struct Refstring *new_refstring(const char *s)
+{
+ struct Refstring *rs = g_new(struct Refstring, 1);
+ rs->nref = 1;
+ if (s!=NULL) rs->s = g_strdup(s);
+ else rs->s = NULL;
+ rs->aux = NULL;
+ return rs;
+}
+
+struct Refstring *refstring_ref(struct Refstring *rs)
+{
+ rs->nref++;
+ return rs;
+}
+
+void refstring_unref(struct Refstring *rs)
+{
+ rs->nref--;
+ if (rs->nref == 0) {
+ if (rs->s!=NULL) g_free(rs->s);
+ if (rs->aux!=NULL) g_free(rs->aux);
+ g_free(rs);
+ }
+}
+
+
+// some helper functions
+
+void get_pointer_coords(GdkEvent *event, gdouble *ret)
+{
+ double x, y;
+ gdk_event_get_coords(event, &x, &y);
+ gnome_canvas_window_to_world(canvas, x, y, ret, ret+1);
+ ret[0] -= ui.cur_page->hoffset;
+ ret[1] -= ui.cur_page->voffset;
+}
+
+void fix_xinput_coords(GdkEvent *event)
+{
+ double *axes, *px, *py, axis_width;
+ GdkDevice *device;
+ int wx, wy, sx, sy;
+
+ if (event->type == GDK_BUTTON_PRESS || event->type == GDK_BUTTON_RELEASE) {
+ axes = event->button.axes;
+ px = &(event->button.x);
+ py = &(event->button.y);
+ device = event->button.device;
+ }
+ else if (event->type == GDK_MOTION_NOTIFY) {
+ axes = event->motion.axes;
+ px = &(event->motion.x);
+ py = &(event->motion.y);
+ device = event->motion.device;
+ }
+ else return; // nothing we know how to do
+
+ gdk_window_get_origin(event->any.window, &wx, &wy);
+ gnome_canvas_get_scroll_offsets(canvas, &sx, &sy);
+
+ axis_width = device->axes[0].max - device->axes[0].min;
+ if (axis_width>EPSILON)
+ *px = (axes[0]/axis_width)*ui.screen_width + sx - wx;
+
+ axis_width = device->axes[1].max - device->axes[1].min;
+ if (axis_width>EPSILON)
+ *py = (axes[1]/axis_width)*ui.screen_height + sy - wy;
+}
+
+void update_item_bbox(struct Item *item)
+{
+ int i;
+ double *p;
+
+ if (item->type == ITEM_STROKE) {
+ item->bbox.left = item->bbox.right = item->path->coords[0];
+ item->bbox.top = item->bbox.bottom = item->path->coords[1];
+ for (i=1, p=item->path->coords+2; i<item->path->num_points; i++, p+=2)
+ {
+ if (p[0] < item->bbox.left) item->bbox.left = p[0];
+ if (p[0] > item->bbox.right) item->bbox.right = p[0];
+ if (p[1] < item->bbox.top) item->bbox.top = p[1];
+ if (p[1] > item->bbox.bottom) item->bbox.bottom = p[1];
+ }
+ }
+}
+
+void make_page_clipbox(struct Page *pg)
+{
+ GnomeCanvasPathDef *pg_clip;
+
+ pg_clip = gnome_canvas_path_def_new_sized(4);
+ gnome_canvas_path_def_moveto(pg_clip, 0., 0.);
+ gnome_canvas_path_def_lineto(pg_clip, 0., pg->height);
+ gnome_canvas_path_def_lineto(pg_clip, pg->width, pg->height);
+ gnome_canvas_path_def_lineto(pg_clip, pg->width, 0.);
+ gnome_canvas_path_def_closepath(pg_clip);
+ gnome_canvas_item_set(GNOME_CANVAS_ITEM(pg->group), "path", pg_clip, NULL);
+ gnome_canvas_path_def_unref(pg_clip);
+}
+
+void make_canvas_items(void)
+{
+ struct Page *pg;
+ struct Layer *l;
+ struct Item *item;
+ GList *pagelist, *layerlist, *itemlist;
+
+ for (pagelist = journal.pages; pagelist!=NULL; pagelist = pagelist->next) {
+ pg = (struct Page *)pagelist->data;
+ if (pg->group == NULL) {
+ pg->group = (GnomeCanvasGroup *) gnome_canvas_item_new(
+ gnome_canvas_root(canvas), gnome_canvas_clipgroup_get_type(), NULL);
+ make_page_clipbox(pg);
+ }
+ if (pg->bg->canvas_item == NULL) update_canvas_bg(pg);
+ for (layerlist = pg->layers; layerlist!=NULL; layerlist = layerlist->next) {
+ l = (struct Layer *)layerlist->data;
+ if (l->group == NULL)
+ l->group = (GnomeCanvasGroup *) gnome_canvas_item_new(
+ pg->group, gnome_canvas_group_get_type(), NULL);
+ for (itemlist = l->items; itemlist!=NULL; itemlist = itemlist->next) {
+ item = (struct Item *)itemlist->data;
+ if (item->type == ITEM_STROKE && item->canvas_item == NULL) {
+ item->canvas_item = gnome_canvas_item_new(l->group,
+ gnome_canvas_line_get_type(), "points", item->path,
+ "cap-style", GDK_CAP_ROUND, "join-style", GDK_JOIN_ROUND,
+ "fill-color-rgba", item->brush.color_rgba,
+ "width-units", item->brush.thickness, NULL);
+ }
+ }
+ }
+ }
+}
+
+void update_canvas_bg(struct Page *pg)
+{
+ GnomeCanvasGroup *group;
+ GnomeCanvasPoints *seg;
+ GdkPixbuf *scaled_pix;
+ double *pt;
+ double x, y;
+ int w, h;
+
+ if (pg->bg->canvas_item != NULL)
+ gtk_object_destroy(GTK_OBJECT(pg->bg->canvas_item));
+ pg->bg->canvas_item = NULL;
+
+ if (pg->bg->type == BG_SOLID)
+ {
+ pg->bg->canvas_item = gnome_canvas_item_new(pg->group,
+ gnome_canvas_group_get_type(), NULL);
+ group = GNOME_CANVAS_GROUP(pg->bg->canvas_item);
+ lower_canvas_item_to(pg->group, pg->bg->canvas_item, NULL);
+ gnome_canvas_item_new(group, gnome_canvas_rect_get_type(),
+ "x1", 0., "x2", pg->width, "y1", 0., "y2", pg->height,
+ "fill-color-rgba", pg->bg->color_rgba, NULL);
+ if (pg->bg->ruling == RULING_NONE) return;
+ seg = gnome_canvas_points_new(2);
+ pt = seg->coords;
+ if (pg->bg->ruling == RULING_GRAPH) {
+ pt[1] = 0; pt[3] = pg->height;
+ for (x=RULING_GRAPHSPACING; x<pg->width-1; x+=RULING_GRAPHSPACING) {
+ pt[0] = pt[2] = x;
+ gnome_canvas_item_new(group, gnome_canvas_line_get_type(),
+ "points", seg, "fill-color-rgba", RULING_COLOR,
+ "width-units", RULING_THICKNESS, NULL);
+ }
+ pt[0] = 0; pt[2] = pg->width;
+ for (y=RULING_GRAPHSPACING; y<pg->height-1; y+=RULING_GRAPHSPACING) {
+ pt[1] = pt[3] = y;
+ gnome_canvas_item_new(group, gnome_canvas_line_get_type(),
+ "points", seg, "fill-color-rgba", RULING_COLOR,
+ "width-units", RULING_THICKNESS, NULL);
+ }
+ gnome_canvas_points_free(seg);
+ return;
+ }
+ pt[0] = 0; pt[2] = pg->width;
+ for (y=RULING_TOPMARGIN; y<pg->height-1; y+=RULING_SPACING) {
+ pt[1] = pt[3] = y;
+ gnome_canvas_item_new(group, gnome_canvas_line_get_type(),
+ "points", seg, "fill-color-rgba", RULING_COLOR,
+ "width-units", RULING_THICKNESS, NULL);
+ }
+ if (pg->bg->ruling == RULING_LINED) {
+ pt[0] = pt[2] = RULING_LEFTMARGIN;
+ pt[1] = 0; pt[3] = pg->height;
+ gnome_canvas_item_new(group, gnome_canvas_line_get_type(),
+ "points", seg, "fill-color-rgba", RULING_MARGIN_COLOR,
+ "width-units", RULING_THICKNESS, NULL);
+ }
+ gnome_canvas_points_free(seg);
+ return;
+ }
+
+ if (pg->bg->type == BG_PIXMAP)
+ {
+ if (ui.antialias_bg) {
+ set_cursor_busy(TRUE);
+ w = (int)floor(pg->width*ui.zoom+0.5);
+ h = (int)floor(pg->height*ui.zoom+0.5);
+ if (w == gdk_pixbuf_get_width(pg->bg->pixbuf) &&
+ h == gdk_pixbuf_get_height(pg->bg->pixbuf))
+ scaled_pix = gdk_pixbuf_ref(pg->bg->pixbuf);
+ else
+ scaled_pix = gdk_pixbuf_scale_simple(pg->bg->pixbuf, w, h, GDK_INTERP_BILINEAR);
+ pg->bg->pixbuf_scale = ui.zoom;
+ set_cursor_busy(FALSE);
+ }
+ else {
+ scaled_pix = gdk_pixbuf_ref(pg->bg->pixbuf);
+ pg->bg->pixbuf_scale = 0;
+ }
+ pg->bg->canvas_item = gnome_canvas_item_new(pg->group,
+ gnome_canvas_pixbuf_get_type(),
+ "pixbuf", scaled_pix,
+ "width", pg->width, "height", pg->height,
+ "width-set", TRUE, "height-set", TRUE,
+ NULL);
+ gdk_pixbuf_unref(scaled_pix);
+ lower_canvas_item_to(pg->group, pg->bg->canvas_item, NULL);
+ }
+
+ if (pg->bg->type == BG_PDF)
+ {
+ if (pg->bg->pixbuf == NULL) return;
+ pg->bg->canvas_item = gnome_canvas_item_new(pg->group,
+ gnome_canvas_pixbuf_get_type(),
+ "pixbuf", pg->bg->pixbuf,
+ "width", pg->width, "height", pg->height,
+ "width-set", TRUE, "height-set", TRUE,
+ NULL);
+ lower_canvas_item_to(pg->group, pg->bg->canvas_item, NULL);
+ }
+
+}
+
+gboolean is_visible(struct Page *pg)
+{
+ GtkAdjustment *v_adj;
+ double ytop, ybot;
+
+ if (!ui.view_continuous) return (pg == ui.cur_page);
+ v_adj = gtk_layout_get_vadjustment(GTK_LAYOUT(canvas));
+ ytop = v_adj->value/ui.zoom;
+ ybot = (v_adj->value + v_adj->page_size) / ui.zoom;
+ return (MAX(ytop, pg->voffset) < MIN(ybot, pg->voffset+pg->height));
+}
+
+void rescale_bg_pixmaps(void)
+{
+ GList *pglist;
+ struct Page *pg;
+ GdkPixbuf *pix;
+
+ for (pglist = journal.pages; pglist!=NULL; pglist = pglist->next) {
+ pg = (struct Page *)pglist->data;
+ // in progressive mode we scale only visible pages
+ if (ui.progressive_bg && !is_visible(pg)) continue;
+
+ if (pg->bg->type == BG_PIXMAP) { // do the rescaling ourselves
+ if (ui.antialias_bg) {
+ if (pg->bg->pixbuf_scale == ui.zoom) continue;
+ set_cursor_busy(TRUE);
+ pix = gdk_pixbuf_scale_simple(pg->bg->pixbuf,
+ (int)floor(pg->width*ui.zoom+0.5), (int)floor(pg->height*ui.zoom+0.5),
+ GDK_INTERP_BILINEAR);
+ gnome_canvas_item_set(pg->bg->canvas_item, "pixbuf", pix, NULL);
+ gdk_pixbuf_unref(pix);
+ pg->bg->pixbuf_scale = ui.zoom;
+ set_cursor_busy(FALSE);
+ } else
+ {
+ pix = GDK_PIXBUF(g_object_get_data(G_OBJECT(pg->bg->canvas_item), "pixbuf"));
+ if (pix!=pg->bg->pixbuf)
+ gnome_canvas_item_set(pg->bg->canvas_item, "pixbuf", pg->bg->pixbuf, NULL);
+ pg->bg->pixbuf_scale = 0;
+ }
+ }
+ if (pg->bg->type == BG_PDF) { // request an asynchronous update
+ if (pg->bg->pixbuf_scale == ui.zoom) continue;
+ add_bgpdf_request(pg->bg->file_page_seq, ui.zoom, FALSE);
+ pg->bg->pixbuf_scale = ui.zoom;
+ }
+ }
+}
+
+gboolean have_intersect(struct BBox *a, struct BBox *b)
+{
+ return (MAX(a->top, b->top) <= MIN(a->bottom, b->bottom)) &&
+ (MAX(a->left, b->left) <= MIN(a->right, b->right));
+}
+
+/* In libgnomecanvas 2.10.0, the lower/raise functions fail to update
+ correctly the end of the group's item list. We try to work around this.
+ DON'T USE gnome_canvas_item_raise/lower directly !! */
+
+void lower_canvas_item_to(GnomeCanvasGroup *g, GnomeCanvasItem *item, GnomeCanvasItem *after)
+{
+ int i1, i2;
+
+ i1 = g_list_index(g->item_list, item);
+ if (i1 == -1) return;
+
+ if (after == NULL) i2 = -1;
+ else i2 = g_list_index(g->item_list, after);
+
+ if (i1 < i2) gnome_canvas_item_raise(item, i2-i1);
+ if (i1 > i2+1) gnome_canvas_item_lower(item, i1-i2-1);
+
+ // BUGFIX for libgnomecanvas
+ g->item_list_end = g_list_last(g->item_list);
+}
+
+// some interface functions
+
+void update_thickness_buttons(void)
+{
+ if (ui.toolno >= NUM_STROKE_TOOLS) {
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonThicknessOther")), TRUE);
+ } else
+ switch (ui.cur_brush->thickness_no) {
+ case THICKNESS_FINE:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonFine")), TRUE);
+ break;
+ case THICKNESS_MEDIUM:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonMedium")), TRUE);
+ break;
+ case THICKNESS_THICK:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonThick")), TRUE);
+ break;
+ default:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonThicknessOther")), TRUE);
+ }
+}
+
+void update_color_buttons(void)
+{
+ if (ui.toolno != TOOL_PEN && ui.toolno != TOOL_HIGHLIGHTER) {
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonColorOther")), TRUE);
+ } else
+ switch (ui.cur_brush->color_no) {
+ case COLOR_BLACK:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonBlack")), TRUE);
+ break;
+ case COLOR_BLUE:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonBlue")), TRUE);
+ break;
+ case COLOR_RED:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonRed")), TRUE);
+ break;
+ case COLOR_GREEN:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonGreen")), TRUE);
+ break;
+ case COLOR_GRAY:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonGray")), TRUE);
+ break;
+ case COLOR_LIGHTBLUE:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonLightBlue")), TRUE);
+ break;
+ case COLOR_LIGHTGREEN:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonLightGreen")), TRUE);
+ break;
+ case COLOR_MAGENTA:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonMagenta")), TRUE);
+ break;
+ case COLOR_ORANGE:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonOrange")), TRUE);
+ break;
+ case COLOR_YELLOW:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonYellow")), TRUE);
+ break;
+ case COLOR_WHITE:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonWhite")), TRUE);
+ break;
+ default:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonColorOther")), TRUE);
+ }
+}
+
+void update_tool_buttons(void)
+{
+ switch(ui.toolno) {
+ case TOOL_PEN:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonPen")), TRUE);
+ break;
+ case TOOL_ERASER:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonEraser")), TRUE);
+ break;
+ case TOOL_HIGHLIGHTER:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonHighlighter")), TRUE);
+ break;
+ case TOOL_TEXT:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonText")), TRUE);
+ break;
+ case TOOL_SELECTREGION:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonSelectRegion")), TRUE);
+ break;
+ case TOOL_SELECTRECT:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonSelectRectangle")), TRUE);
+ break;
+ case TOOL_VERTSPACE:
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonVerticalSpace")), TRUE);
+ break;
+ }
+
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonRuler")), ui.ruler);
+ update_thickness_buttons();
+ update_color_buttons();
+}
+
+void update_tool_menu(void)
+{
+ switch(ui.toolno) {
+ case TOOL_PEN:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("toolsPen")), TRUE);
+ break;
+ case TOOL_ERASER:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("toolsEraser")), TRUE);
+ break;
+ case TOOL_HIGHLIGHTER:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("toolsHighlighter")), TRUE);
+ break;
+ case TOOL_TEXT:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("toolsText")), TRUE);
+ break;
+ case TOOL_SELECTREGION:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("toolsSelectRegion")), TRUE);
+ break;
+ case TOOL_SELECTRECT:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("toolsSelectRectangle")), TRUE);
+ break;
+ case TOOL_VERTSPACE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("toolsVerticalSpace")), TRUE);
+ break;
+ }
+
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("toolsRuler")), ui.ruler);
+}
+
+void update_ruler_indicator(void)
+{
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonRuler")), ui.ruler);
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("toolsRuler")), ui.ruler);
+}
+
+void update_color_menu(void)
+{
+ if (ui.toolno != TOOL_PEN && ui.toolno != TOOL_HIGHLIGHTER) {
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorNA")), TRUE);
+ } else
+ switch (ui.cur_brush->color_no) {
+ case COLOR_BLACK:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorBlack")), TRUE);
+ break;
+ case COLOR_BLUE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorBlue")), TRUE);
+ break;
+ case COLOR_RED:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorRed")), TRUE);
+ break;
+ case COLOR_GREEN:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorGreen")), TRUE);
+ break;
+ case COLOR_GRAY:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorGray")), TRUE);
+ break;
+ case COLOR_LIGHTBLUE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorLightBlue")), TRUE);
+ break;
+ case COLOR_LIGHTGREEN:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorLightGreen")), TRUE);
+ break;
+ case COLOR_MAGENTA:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorMagenta")), TRUE);
+ break;
+ case COLOR_ORANGE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorOrange")), TRUE);
+ break;
+ case COLOR_YELLOW:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorYellow")), TRUE);
+ break;
+ case COLOR_WHITE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorWhite")), TRUE);
+ break;
+ default:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("colorOther")), TRUE);
+ }
+}
+
+void update_pen_props_menu(void)
+{
+ switch(ui.brushes[TOOL_PEN].thickness_no) {
+ case THICKNESS_VERYFINE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("penthicknessVeryFine")), TRUE);
+ break;
+ case THICKNESS_FINE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("penthicknessFine")), TRUE);
+ break;
+ case THICKNESS_MEDIUM:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("penthicknessMedium")), TRUE);
+ break;
+ case THICKNESS_THICK:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("penthicknessThick")), TRUE);
+ break;
+ case THICKNESS_VERYTHICK:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("penthicknessVeryThick")), TRUE);
+ break;
+ }
+}
+
+void update_eraser_props_menu(void)
+{
+ switch (ui.brushes[TOOL_ERASER].thickness_no) {
+ case THICKNESS_FINE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("eraserFine")), TRUE);
+ break;
+ case THICKNESS_MEDIUM:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("eraserMedium")), TRUE);
+ break;
+ case THICKNESS_THICK:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("eraserThick")), TRUE);
+ break;
+ }
+
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("eraserStandard")),
+ ui.brushes[TOOL_ERASER].tool_options == TOOLOPT_ERASER_STANDARD);
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("eraserWhiteout")),
+ ui.brushes[TOOL_ERASER].tool_options == TOOLOPT_ERASER_WHITEOUT);
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("eraserDeleteStrokes")),
+ ui.brushes[TOOL_ERASER].tool_options == TOOLOPT_ERASER_STROKES);
+}
+
+void update_highlighter_props_menu(void)
+{
+ switch (ui.brushes[TOOL_HIGHLIGHTER].thickness_no) {
+ case THICKNESS_FINE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("highlighterFine")), TRUE);
+ break;
+ case THICKNESS_MEDIUM:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("highlighterMedium")), TRUE);
+ break;
+ case THICKNESS_THICK:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("highlighterThick")), TRUE);
+ break;
+ }
+}
+
+void do_switch_page(int pg, gboolean rescroll)
+{
+ int i;
+ struct Layer *layer;
+ GList *list;
+
+ ui.pageno = pg;
+
+ /* re-show all the layers of the old page */
+ if (ui.cur_page != NULL)
+ for (i=0, list = ui.cur_page->layers; list!=NULL; i++, list = list->next) {
+ layer = (struct Layer *)list->data;
+ if (layer->group!=NULL)
+ gnome_canvas_item_show(GNOME_CANVAS_ITEM(layer->group));
+ }
+
+ ui.cur_page = g_list_nth_data(journal.pages, ui.pageno);
+ ui.layerno = ui.cur_page->nlayers-1;
+ ui.cur_layer = (struct Layer *)(g_list_last(ui.cur_page->layers)->data);
+ update_page_stuff();
+ if (ui.progressive_bg) rescale_bg_pixmaps();
+
+ if (rescroll) { // scroll and force a refresh
+ gtk_adjustment_set_value(gtk_layout_get_vadjustment(GTK_LAYOUT(canvas)),
+ ui.cur_page->voffset*ui.zoom);
+ gnome_canvas_set_pixels_per_unit(canvas, ui.zoom);
+ }
+}
+
+void update_page_stuff(void)
+{
+ gchar tmp[10];
+ GtkComboBox *layerbox;
+ int i;
+ GList *pglist;
+ GtkSpinButton *spin;
+ struct Page *pg;
+ double vertpos, maxwidth;
+ struct Layer *layer;
+ int relscroll;
+
+ // move the page groups to their rightful locations or hide them
+ if (ui.view_continuous) {
+ vertpos = 0.;
+ maxwidth = 0.;
+ for (i=0, pglist = journal.pages; pglist!=NULL; i++, pglist = pglist->next) {
+ pg = (struct Page *)pglist->data;
+ if (pg->group!=NULL) {
+ pg->hoffset = 0.; pg->voffset = vertpos;
+ gnome_canvas_item_set(GNOME_CANVAS_ITEM(pg->group),
+ "x", pg->hoffset, "y", pg->voffset, NULL);
+ gnome_canvas_item_show(GNOME_CANVAS_ITEM(pg->group));
+ }
+ vertpos += pg->height + VIEW_CONTINUOUS_SKIP;
+ if (pg->width > maxwidth) maxwidth = pg->width;
+ }
+ vertpos -= VIEW_CONTINUOUS_SKIP;
+ gnome_canvas_set_scroll_region(canvas, 0, 0, maxwidth, vertpos);
+ } else {
+ for (pglist = journal.pages; pglist!=NULL; pglist = pglist->next) {
+ pg = (struct Page *)pglist->data;
+ if (pg == ui.cur_page && pg->group!=NULL) {
+ pg->hoffset = 0.; pg->voffset = 0.;
+ gnome_canvas_item_set(GNOME_CANVAS_ITEM(pg->group),
+ "x", pg->hoffset, "y", pg->voffset, NULL);
+ gnome_canvas_item_show(GNOME_CANVAS_ITEM(pg->group));
+ } else {
+ if (pg->group!=NULL) gnome_canvas_item_hide(GNOME_CANVAS_ITEM(pg->group));
+ }
+ }
+ gnome_canvas_set_scroll_region(canvas, 0, 0, ui.cur_page->width, ui.cur_page->height);
+ }
+
+ // update the page / layer info at bottom of screen
+
+ spin = GTK_SPIN_BUTTON(GET_COMPONENT("spinPageNo"));
+ ui.in_update_page_stuff = TRUE; // avoid a bad retroaction
+ gtk_spin_button_set_range(spin, 1, journal.npages+1);
+ /* npages+1 will be used to create a new page at end */
+ gtk_spin_button_set_value(spin, ui.pageno+1);
+ g_snprintf(tmp, 10, " of %d", journal.npages);
+ gtk_label_set_text(GTK_LABEL(GET_COMPONENT("labelNumpages")), tmp);
+
+ layerbox = GTK_COMBO_BOX(GET_COMPONENT("comboLayer"));
+ if (ui.layerbox_length == 0) {
+ gtk_combo_box_prepend_text(layerbox, "Background");
+ ui.layerbox_length++;
+ }
+ while (ui.layerbox_length > ui.cur_page->nlayers+1) {
+ gtk_combo_box_remove_text(layerbox, 0);
+ ui.layerbox_length--;
+ }
+ while (ui.layerbox_length < ui.cur_page->nlayers+1) {
+ g_snprintf(tmp, 10, "Layer %d", ui.layerbox_length++);
+ gtk_combo_box_prepend_text(layerbox, tmp);
+ }
+ gtk_combo_box_set_active(layerbox, ui.cur_page->nlayers-1-ui.layerno);
+ ui.in_update_page_stuff = FALSE;
+
+ // update the paper-style menu radio buttons
+
+ if (ui.view_continuous)
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("viewContinuous")), TRUE);
+ else
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("viewOnePage")), TRUE);
+
+ if (ui.cur_page->bg->type == BG_SOLID) {
+ switch (ui.cur_page->bg->color_no) {
+ case COLOR_WHITE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("papercolorWhite")), TRUE);
+ break;
+ case COLOR_YELLOW:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("papercolorYellow")), TRUE);
+ break;
+ case COLOR_RED:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("papercolorPink")), TRUE);
+ break;
+ case COLOR_ORANGE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("papercolorOrange")), TRUE);
+ break;
+ case COLOR_BLUE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("papercolorBlue")), TRUE);
+ break;
+ case COLOR_GREEN:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("papercolorGreen")), TRUE);
+ break;
+ default:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("papercolorOther")), TRUE);
+ break;
+ }
+ switch (ui.cur_page->bg->ruling) {
+ case RULING_NONE:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("paperstylePlain")), TRUE);
+ break;
+ case RULING_LINED:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("paperstyleLined")), TRUE);
+ break;
+ case RULING_RULED:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("paperstyleRuled")), TRUE);
+ break;
+ case RULING_GRAPH:
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("paperstyleGraph")), TRUE);
+ break;
+ }
+ } else {
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("papercolorNA")), TRUE);
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("paperstyleNA")), TRUE);
+ }
+
+ // enable/disable the page/layer menu items and toolbar buttons
+
+ gtk_widget_set_sensitive(GET_COMPONENT("journalPaperColor"),
+ ui.cur_page->bg->type == BG_SOLID);
+ gtk_widget_set_sensitive(GET_COMPONENT("journalSetAsDefault"),
+ ui.cur_page->bg->type == BG_SOLID);
+
+ gtk_widget_set_sensitive(GET_COMPONENT("viewFirstPage"), ui.pageno!=0);
+ gtk_widget_set_sensitive(GET_COMPONENT("viewPreviousPage"), ui.pageno!=0);
+ gtk_widget_set_sensitive(GET_COMPONENT("viewNextPage"), TRUE);
+ gtk_widget_set_sensitive(GET_COMPONENT("viewLastPage"), ui.pageno!=journal.npages-1);
+ gtk_widget_set_sensitive(GET_COMPONENT("buttonFirstPage"), ui.pageno!=0);
+ gtk_widget_set_sensitive(GET_COMPONENT("buttonPreviousPage"), ui.pageno!=0);
+ gtk_widget_set_sensitive(GET_COMPONENT("buttonNextPage"), TRUE);
+ gtk_widget_set_sensitive(GET_COMPONENT("buttonLastPage"), ui.pageno!=journal.npages-1);
+
+ gtk_widget_set_sensitive(GET_COMPONENT("viewShowLayer"), ui.layerno!=ui.cur_page->nlayers-1);
+ gtk_widget_set_sensitive(GET_COMPONENT("viewHideLayer"), ui.layerno>=0);
+
+ gtk_widget_set_sensitive(GET_COMPONENT("editPaste"), ui.cur_layer!=NULL);
+ gtk_widget_set_sensitive(GET_COMPONENT("buttonPaste"), ui.cur_layer!=NULL);
+}
+
+void update_toolbar_and_menu(void)
+{
+ update_tool_buttons(); // takes care of other toolbar buttons as well
+ update_tool_menu();
+ update_color_menu();
+ update_pen_props_menu();
+ update_eraser_props_menu();
+ update_highlighter_props_menu();
+
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonFullscreen")), ui.fullscreen);
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("viewFullscreen")), ui.fullscreen);
+}
+
+void update_file_name(char *filename)
+{
+ gchar tmp[100], *p;
+ if (ui.filename != NULL) g_free(ui.filename);
+ ui.filename = filename;
+ if (filename == NULL) {
+ gtk_window_set_title(GTK_WINDOW (winMain), "Xournal");
+ return;
+ }
+ p = g_utf8_strrchr(filename, -1, '/');
+ if (p == NULL) p = filename;
+ else p = g_utf8_next_char(p);
+ g_snprintf(tmp, 100, "Xournal - %s", p);
+ gtk_window_set_title(GTK_WINDOW (winMain), tmp);
+}
+
+void update_undo_redo_enabled(void)
+{
+ gtk_widget_set_sensitive(GET_COMPONENT("editUndo"), undo!=NULL);
+ gtk_widget_set_sensitive(GET_COMPONENT("editRedo"), redo!=NULL);
+ gtk_widget_set_sensitive(GET_COMPONENT("buttonUndo"), undo!=NULL);
+ gtk_widget_set_sensitive(GET_COMPONENT("buttonRedo"), redo!=NULL);
+}
+
+void update_copy_paste_enabled(void)
+{
+ gtk_widget_set_sensitive(GET_COMPONENT("editCut"), ui.selection!=NULL);
+ gtk_widget_set_sensitive(GET_COMPONENT("editCopy"), ui.selection!=NULL);
+ gtk_widget_set_sensitive(GET_COMPONENT("editDelete"), ui.selection!=NULL);
+ gtk_widget_set_sensitive(GET_COMPONENT("buttonCut"), ui.selection!=NULL);
+ gtk_widget_set_sensitive(GET_COMPONENT("buttonCopy"), ui.selection!=NULL);
+}
+
+void set_cur_color(int color)
+{
+ ui.cur_brush->color_no = color;
+ if (ui.toolno == TOOL_HIGHLIGHTER)
+ ui.cur_brush->color_rgba = predef_colors_rgba[color] & HILITER_ALPHA_MASK;
+ else
+ ui.cur_brush->color_rgba = predef_colors_rgba[color];
+}
+
+void process_color_activate(GtkMenuItem *menuitem, int color)
+{
+ if (GTK_OBJECT_TYPE(menuitem) == GTK_TYPE_RADIO_MENU_ITEM) {
+ if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM (menuitem)))
+ return;
+ } else {
+ if (!gtk_toggle_tool_button_get_active(GTK_TOGGLE_TOOL_BUTTON (menuitem)))
+ return;
+ }
+
+ if (ui.toolno != TOOL_PEN && ui.toolno != TOOL_HIGHLIGHTER
+ && ui.toolno != TOOL_TEXT && ui.selection == NULL) {
+ ui.toolno = TOOL_PEN;
+ ui.cur_brush = ui.brushes+TOOL_PEN;
+ update_tool_buttons();
+ update_tool_menu();
+ }
+
+ if (ui.toolno == TOOL_PEN || ui.toolno == TOOL_HIGHLIGHTER)
+ set_cur_color(color);
+
+ // later add selection tools
+
+ update_color_buttons();
+ update_color_menu();
+ update_cursor();
+}
+
+void process_thickness_activate(GtkMenuItem *menuitem, int tool, int val)
+{
+ if (GTK_OBJECT_TYPE(menuitem) == GTK_TYPE_RADIO_MENU_ITEM) {
+ if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM (menuitem)))
+ return;
+ } else {
+ if (!gtk_toggle_tool_button_get_active(GTK_TOGGLE_TOOL_BUTTON (menuitem)))
+ return;
+ }
+
+ if (tool >= NUM_STROKE_TOOLS) {
+ update_thickness_buttons(); // undo illegal button selection
+ return;
+ }
+
+ if (ui.brushes[tool].thickness_no == val) return; // avoid loops
+ ui.brushes[tool].thickness_no = val;
+ ui.brushes[tool].thickness = predef_thickness[tool][val];
+
+ update_thickness_buttons();
+ if (tool == TOOL_PEN) update_pen_props_menu();
+ if (tool == TOOL_ERASER) update_eraser_props_menu();
+ if (tool == TOOL_HIGHLIGHTER) update_highlighter_props_menu();
+ update_cursor();
+}
+
+void process_papercolor_activate(GtkMenuItem *menuitem, int color)
+{
+ if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM (menuitem)))
+ return;
+
+ if (ui.cur_page->bg->type != BG_SOLID) {
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("papercolorNA")), TRUE);
+ return;
+ }
+
+ if (ui.cur_page->bg->color_no == color) return;
+
+ reset_selection();
+ prepare_new_undo();
+ undo->type = ITEM_NEW_BG_ONE;
+ undo->page = ui.cur_page;
+ undo->bg = (struct Background *)g_memdup(ui.cur_page->bg, sizeof(struct Background));
+ undo->bg->canvas_item = NULL;
+
+ ui.cur_page->bg->color_no = color;
+ ui.cur_page->bg->color_rgba = predef_bgcolors_rgba[color];
+ update_canvas_bg(ui.cur_page);
+}
+
+void process_paperstyle_activate(GtkMenuItem *menuitem, int style)
+{
+ if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM (menuitem)))
+ return;
+
+ if (ui.cur_page->bg->type == BG_SOLID && ui.cur_page->bg->ruling == style)
+ return;
+
+ reset_selection();
+ prepare_new_undo();
+ undo->type = ITEM_NEW_BG_ONE;
+ undo->page = ui.cur_page;
+ undo->bg = (struct Background *)g_memdup(ui.cur_page->bg, sizeof(struct Background));
+ undo->bg->canvas_item = NULL;
+
+ if (ui.cur_page->bg->type != BG_SOLID) {
+ ui.cur_page->bg->type = BG_SOLID;
+ ui.cur_page->bg->color_no = COLOR_WHITE;
+ ui.cur_page->bg->color_rgba = predef_bgcolors_rgba[COLOR_WHITE];
+ ui.cur_page->bg->filename = NULL;
+ ui.cur_page->bg->pixbuf = NULL;
+ update_page_stuff();
+ }
+
+ ui.cur_page->bg->ruling = style;
+ update_canvas_bg(ui.cur_page);
+}
+
+gboolean ok_to_close(void)
+{
+ GtkWidget *dialog;
+ GtkResponseType response;
+ GList *pagelist;
+
+ if (ui.saved) return TRUE;
+ dialog = gtk_message_dialog_new(GTK_WINDOW (winMain), GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_WARNING, GTK_BUTTONS_YES_NO, "Save changes to '%s'?",
+ (ui.filename!=NULL) ? ui.filename:"Untitled");
+ gtk_dialog_add_button(GTK_DIALOG (dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
+ response = gtk_dialog_run(GTK_DIALOG (dialog));
+ gtk_widget_destroy(dialog);
+ if (response == GTK_RESPONSE_CANCEL || response == GTK_RESPONSE_DELETE_EVENT)
+ return FALSE; // aborted
+ if (response == GTK_RESPONSE_YES) {
+ on_fileSave_activate(NULL, NULL);
+ if (!ui.saved) return FALSE; // if save failed, then we abort
+ }
+ return TRUE;
+}
+
+// test if we're still busy loading a PDF background file
+gboolean page_ops_forbidden(void)
+{
+ return (bgpdf.status != STATUS_NOT_INIT && bgpdf.create_pages);
+}
+
+// selection / clipboard stuff
+
+void reset_selection(void)
+{
+ if (ui.selection == NULL) return;
+ if (ui.selection->canvas_item != NULL)
+ gtk_object_destroy(GTK_OBJECT(ui.selection->canvas_item));
+ g_list_free(ui.selection->items);
+ g_free(ui.selection);
+ ui.selection = NULL;
+ update_copy_paste_enabled();
+}
+
+void move_journal_items_by(GList *itemlist, double dx, double dy)
+{
+ struct Item *item;
+ int i;
+ double *pt;
+
+ while (itemlist!=NULL) {
+ item = (struct Item *)itemlist->data;
+ if (item->type == ITEM_STROKE) {
+ for (pt=item->path->coords, i=0; i<item->path->num_points; i++, pt+=2)
+ { pt[0] += dx; pt[1] += dy; }
+ item->bbox.left += dx;
+ item->bbox.right += dx;
+ item->bbox.top += dy;
+ item->bbox.bottom += dy;
+ }
+ itemlist = itemlist->next;
+ }
+}