X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=src%2Fxo-paint.c;h=c52a97dbfffbca57e13d88dc9a0d2bba19c3d3e0;hb=c33ae4cb8af712159f96db55e8229589258c45fe;hp=348334daa5b45e66cdccbf8ab56fe59356ebd29e;hpb=724456e3d10c0b8f983af1e568bb1487468d93b2;p=xournal.git

diff --git a/src/xo-paint.c b/src/xo-paint.c
index 348334d..c52a97d 100644
--- a/src/xo-paint.c
+++ b/src/xo-paint.c
@@ -1,3 +1,18 @@
+/*
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This software is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of  
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifdef HAVE_CONFIG_H
 #  include <config.h>
 #endif
@@ -7,8 +22,6 @@
 #include <gtk/gtk.h>
 #include <libgnomecanvas/libgnomecanvas.h>
 
-#include <libart_lgpl/art_vpath_dash.h>
-
 #include "xournal.h"
 #include "xo-callbacks.h"
 #include "xo-interface.h"
@@ -16,6 +29,76 @@
 #include "xo-misc.h"
 #include "xo-paint.h"
 
+/***** Win32 fix for gdk_cursor_new_from_pixmap() by Dirk Gerrits ****/
+
+#ifdef WIN32
+gboolean colors_too_similar(const GdkColor *colora, const GdkColor *colorb)
+{
+  return (abs(colora->red - colorb->red) < 256 &&
+          abs(colora->green - colorb->green) < 256 &&
+          abs(colora->blue - colorb->blue) < 256);
+}
+
+/* gdk_cursor_new_from_pixmap is broken on Windows.
+   this is a workaround using gdk_cursor_new_from_pixbuf. */
+GdkCursor* fixed_gdk_cursor_new_from_pixmap(GdkPixmap *source, GdkPixmap *mask,
+					    const GdkColor *fg, const GdkColor *bg,
+					    gint x, gint y)
+{
+  GdkPixmap *rgb_pixmap;
+  GdkGC *gc;
+  GdkPixbuf *rgb_pixbuf, *rgba_pixbuf;
+  GdkCursor *cursor;
+  int width, height;
+
+  /* HACK!  It seems impossible to work with RGBA pixmaps directly in
+     GDK-Win32.  Instead we pick some third color, different from fg
+     and bg, and use that as the 'transparent color'.  We do this using
+     colors_too_similar (see above) because two colors could be
+     unequal in GdkColor's 16-bit/sample, but equal in GdkPixbuf's
+     8-bit/sample. */
+  GdkColor candidates[3] = {{0,65535,0,0}, {0,0,65535,0}, {0,0,0,65535}};
+  GdkColor *trans = &candidates[0];
+  if (colors_too_similar(trans, fg) || colors_too_similar(trans, bg)) {
+    trans = &candidates[1];
+    if (colors_too_similar(trans, fg) || colors_too_similar(trans, bg)) {
+      trans = &candidates[2];
+    }
+  } /* trans is now guaranteed to be unique from fg and bg */
+
+  /* create an empty pixmap to hold the cursor image */
+  gdk_drawable_get_size(source, &width, &height);
+  rgb_pixmap = gdk_pixmap_new(NULL, width, height, 24);
+
+  /* blit the bitmaps defining the cursor onto a transparent background */
+  gc = gdk_gc_new(rgb_pixmap);
+  gdk_gc_set_fill(gc, GDK_SOLID);
+  gdk_gc_set_rgb_fg_color(gc, trans);
+  gdk_draw_rectangle(rgb_pixmap, gc, TRUE, 0, 0, width, height);
+  gdk_gc_set_fill(gc, GDK_OPAQUE_STIPPLED);
+  gdk_gc_set_stipple(gc, source);
+  gdk_gc_set_clip_mask(gc, mask);
+  gdk_gc_set_rgb_fg_color(gc, fg);
+  gdk_gc_set_rgb_bg_color(gc, bg);
+  gdk_draw_rectangle(rgb_pixmap, gc, TRUE, 0, 0, width, height);
+  gdk_gc_unref(gc);
+
+  /* create a cursor out of the created pixmap */
+  rgb_pixbuf = gdk_pixbuf_get_from_drawable(
+    NULL, rgb_pixmap, gdk_colormap_get_system(), 0, 0, 0, 0, width, height);
+  gdk_pixmap_unref(rgb_pixmap);
+  rgba_pixbuf = gdk_pixbuf_add_alpha(
+    rgb_pixbuf, TRUE, trans->red, trans->green, trans->blue);
+  gdk_pixbuf_unref(rgb_pixbuf);
+  cursor = gdk_cursor_new_from_pixbuf(gdk_display_get_default(), rgba_pixbuf, x, y);
+  gdk_pixbuf_unref(rgba_pixbuf);
+
+  return cursor;
+}
+#define gdk_cursor_new_from_pixmap fixed_gdk_cursor_new_from_pixmap
+#endif
+
+
 /************** drawing nice cursors *********/
 
 static char cursor_pen_bits[] = {
@@ -55,13 +138,18 @@ void update_cursor(void)
   GdkPixmap *source, *mask;
   GdkColor fg = {0, 0, 0, 0}, bg = {0, 65535, 65535, 65535};
 
+  ui.is_sel_cursor = FALSE;
   if (GTK_WIDGET(canvas)->window == NULL) return;
   
   if (ui.cursor!=NULL) { 
     gdk_cursor_unref(ui.cursor);
     ui.cursor = NULL;
   }
-  if (ui.toolno == TOOL_PEN) {
+  if (ui.cur_item_type == ITEM_MOVESEL_VERT)
+    ui.cursor = gdk_cursor_new(GDK_SB_V_DOUBLE_ARROW);
+  else if (ui.cur_item_type == ITEM_MOVESEL)
+    ui.cursor = gdk_cursor_new(GDK_FLEUR);
+  else if (ui.toolno[ui.cur_mapping] == TOOL_PEN) {
     fg.red = (ui.cur_brush->color_rgba >> 16) & 0xff00;
     fg.green = (ui.cur_brush->color_rgba >> 8) & 0xff00;
     fg.blue = (ui.cur_brush->color_rgba >> 0) & 0xff00;
@@ -69,14 +157,14 @@ void update_cursor(void)
     ui.cursor = gdk_cursor_new_from_pixmap(source, source, &fg, &bg, 7, 7);
     gdk_bitmap_unref(source);
   }
-  else if (ui.toolno == TOOL_ERASER) {
+  else if (ui.toolno[ui.cur_mapping] == TOOL_ERASER) {
     source = gdk_bitmap_create_from_data(NULL, cursor_eraser_bits, 16, 16);
     mask = gdk_bitmap_create_from_data(NULL, cursor_eraser_mask, 16, 16);
     ui.cursor = gdk_cursor_new_from_pixmap(source, mask, &fg, &bg, 7, 7);
     gdk_bitmap_unref(source);
     gdk_bitmap_unref(mask);
   }
-  else if (ui.toolno == TOOL_HIGHLIGHTER) {
+  else if (ui.toolno[ui.cur_mapping] == TOOL_HIGHLIGHTER) {
     source = gdk_bitmap_create_from_data(NULL, cursor_eraser_bits, 16, 16);
     mask = gdk_bitmap_create_from_data(NULL, cursor_eraser_mask, 16, 16);
     bg.red = (ui.cur_brush->color_rgba >> 16) & 0xff00;
@@ -86,19 +174,62 @@ void update_cursor(void)
     gdk_bitmap_unref(source);
     gdk_bitmap_unref(mask);
   }
-  else if (ui.cur_item_type == ITEM_MOVESEL) {
-    if (ui.toolno == TOOL_VERTSPACE) 
-      ui.cursor = gdk_cursor_new(GDK_SB_V_DOUBLE_ARROW);
-    else 
-      ui.cursor = gdk_cursor_new(GDK_FLEUR);
-  }
   else if (ui.cur_item_type == ITEM_SELECTRECT) {
     ui.cursor = gdk_cursor_new(GDK_TCROSS);
   }
+  else if (ui.toolno[ui.cur_mapping] == TOOL_HAND) {
+    ui.cursor = gdk_cursor_new(GDK_HAND1);
+  }
+  else if (ui.toolno[ui.cur_mapping] == TOOL_TEXT) {
+    ui.cursor = gdk_cursor_new(GDK_XTERM);
+  }
   
   gdk_window_set_cursor(GTK_WIDGET(canvas)->window, ui.cursor);
 }
 
+/* adjust the cursor shape if it hovers near a selection box */
+
+void update_cursor_for_resize(double *pt)
+{
+  gboolean in_range_x, in_range_y;
+  gboolean can_resize_left, can_resize_right, can_resize_bottom, can_resize_top;
+  gdouble resize_margin;
+  GdkCursorType newcursor;
+
+  // if we're not even close to the box in some direction, return immediately
+  resize_margin = RESIZE_MARGIN / ui.zoom;
+  if (pt[0]<ui.selection->bbox.left-resize_margin || pt[0]>ui.selection->bbox.right+resize_margin
+   || pt[1]<ui.selection->bbox.top-resize_margin || pt[1]>ui.selection->bbox.bottom+resize_margin)
+  {
+    if (ui.is_sel_cursor) update_cursor();
+    return;
+  }
+
+  ui.is_sel_cursor = TRUE;
+  can_resize_left = (pt[0] < ui.selection->bbox.left+resize_margin);
+  can_resize_right = (pt[0] > ui.selection->bbox.right-resize_margin);
+  can_resize_top = (pt[1] < ui.selection->bbox.top+resize_margin);
+  can_resize_bottom = (pt[1] > ui.selection->bbox.bottom-resize_margin);
+
+  if (can_resize_left) {
+    if (can_resize_top) newcursor = GDK_TOP_LEFT_CORNER;
+    else if (can_resize_bottom) newcursor = GDK_BOTTOM_LEFT_CORNER;
+    else newcursor = GDK_LEFT_SIDE;
+  }
+  else if (can_resize_right) {
+    if (can_resize_top) newcursor = GDK_TOP_RIGHT_CORNER;
+    else if (can_resize_bottom) newcursor = GDK_BOTTOM_RIGHT_CORNER;
+    else newcursor = GDK_RIGHT_SIDE;
+  }
+  else if (can_resize_top) newcursor = GDK_TOP_SIDE;
+  else if (can_resize_bottom) newcursor = GDK_BOTTOM_SIDE;
+  else newcursor = GDK_FLEUR;
+
+  if (ui.cursor!=NULL && ui.cursor->type == newcursor) return;
+  if (ui.cursor!=NULL) gdk_cursor_unref(ui.cursor);
+  ui.cursor = gdk_cursor_new(newcursor);
+  gdk_window_set_cursor(GTK_WIDGET(canvas)->window, ui.cursor);
+}
 
 /************** painting strokes *************/
 
@@ -141,13 +272,14 @@ void create_new_stroke(GdkEvent *event)
   ui.cur_path.num_points = 1;
   get_pointer_coords(event, ui.cur_path.coords);
   
-  if (ui.ruler) 
+  if (ui.cur_brush->ruler) {
     ui.cur_item->canvas_item = gnome_canvas_item_new(ui.cur_layer->group,
       gnome_canvas_line_get_type(),
       "cap-style", GDK_CAP_ROUND, "join-style", GDK_JOIN_ROUND,
       "fill-color-rgba", ui.cur_item->brush.color_rgba,
       "width-units", ui.cur_item->brush.thickness, NULL);
-  else
+    ui.cur_item->brush.variable_width = FALSE;
+  } else
     ui.cur_item->canvas_item = gnome_canvas_item_new(
       ui.cur_layer->group, gnome_canvas_group_get_type(), NULL);
 }
@@ -155,9 +287,9 @@ void create_new_stroke(GdkEvent *event)
 void continue_stroke(GdkEvent *event)
 {
   GnomeCanvasPoints seg;
-  double *pt;
+  double *pt, current_width;
 
-  if (ui.ruler) {
+  if (ui.cur_brush->ruler) {
     pt = ui.cur_path.coords;
   } else {
     realloc_cur_path(ui.cur_path.num_points+1);
@@ -166,7 +298,14 @@ void continue_stroke(GdkEvent *event)
   
   get_pointer_coords(event, pt+2);
   
-  if (ui.ruler)
+  if (ui.cur_item->brush.variable_width) {
+    realloc_cur_widths(ui.cur_path.num_points);
+    current_width = ui.cur_item->brush.thickness*get_pressure_multiplier(event);
+    ui.cur_widths[ui.cur_path.num_points-1] = current_width;
+  }
+  else current_width = ui.cur_item->brush.thickness;
+  
+  if (ui.cur_brush->ruler)
     ui.cur_path.num_points = 2;
   else {
     if (hypot(pt[0]-pt[2], pt[1]-pt[3]) < PIXEL_MOTION_THRESHOLD/ui.zoom)
@@ -182,14 +321,14 @@ void continue_stroke(GdkEvent *event)
      upon creation the line just copies the contents of the GnomeCanvasPoints
      into an internal structure */
 
-  if (ui.ruler)
+  if (ui.cur_brush->ruler)
     gnome_canvas_item_set(ui.cur_item->canvas_item, "points", &seg, NULL);
   else
     gnome_canvas_item_new((GnomeCanvasGroup *)ui.cur_item->canvas_item,
        gnome_canvas_line_get_type(), "points", &seg,
        "cap-style", GDK_CAP_ROUND, "join-style", GDK_JOIN_ROUND,
        "fill-color-rgba", ui.cur_item->brush.color_rgba,
-       "width-units", ui.cur_item->brush.thickness, NULL);
+       "width-units", current_width, NULL);
 }
 
 void finalize_stroke(void)
@@ -198,24 +337,28 @@ void finalize_stroke(void)
     ui.cur_path.coords[2] = ui.cur_path.coords[0]+0.1;
     ui.cur_path.coords[3] = ui.cur_path.coords[1];
     ui.cur_path.num_points = 2;
+    ui.cur_item->brush.variable_width = FALSE;
   }
   
-  subdivide_cur_path(); // split the segment so eraser will work
+  if (!ui.cur_item->brush.variable_width)
+    subdivide_cur_path(); // split the segment so eraser will work
 
   ui.cur_item->path = gnome_canvas_points_new(ui.cur_path.num_points);
   g_memmove(ui.cur_item->path->coords, ui.cur_path.coords, 
       2*ui.cur_path.num_points*sizeof(double));
+  if (ui.cur_item->brush.variable_width)
+    ui.cur_item->widths = (gdouble *)g_memdup(ui.cur_widths, 
+                            (ui.cur_path.num_points-1)*sizeof(gdouble));
+  else ui.cur_item->widths = NULL;
   update_item_bbox(ui.cur_item);
   ui.cur_path.num_points = 0;
 
-  // destroy the entire group of temporary line segments
-  gtk_object_destroy(GTK_OBJECT(ui.cur_item->canvas_item));
-  // make a new line item to replace it
-  ui.cur_item->canvas_item = gnome_canvas_item_new(ui.cur_layer->group, 
-     gnome_canvas_line_get_type(), "points", ui.cur_item->path,
-     "cap-style", GDK_CAP_ROUND, "join-style", GDK_JOIN_ROUND,
-     "fill-color-rgba", ui.cur_item->brush.color_rgba,
-     "width-units", ui.cur_item->brush.thickness, NULL);
+  if (!ui.cur_item->brush.variable_width) {
+    // destroy the entire group of temporary line segments
+    gtk_object_destroy(GTK_OBJECT(ui.cur_item->canvas_item));
+    // make a new line item to replace it
+    make_canvas_item_one(ui.cur_layer->group, ui.cur_item);
+  }
 
   // add undo information
   prepare_new_undo();
@@ -264,6 +407,9 @@ void erase_stroke_portions(struct Item *item, double x, double y, double radius,
           g_memmove(&newhead->brush, &item->brush, sizeof(struct Brush));
           newhead->path = gnome_canvas_points_new(i);
           g_memmove(newhead->path->coords, item->path->coords, 2*i*sizeof(double));
+          if (newhead->brush.variable_width)
+            newhead->widths = (gdouble *)g_memdup(item->widths, (i-1)*sizeof(gdouble));
+          else newhead->widths = NULL;
         }
         while (++i < item->path->num_points) {
           pt+=2;
@@ -276,12 +422,17 @@ void erase_stroke_portions(struct Item *item, double x, double y, double radius,
           newtail->path = gnome_canvas_points_new(item->path->num_points-i);
           g_memmove(newtail->path->coords, item->path->coords+2*i, 
                            2*(item->path->num_points-i)*sizeof(double));
+          if (newtail->brush.variable_width)
+            newtail->widths = (gdouble *)g_memdup(item->widths+i, 
+              (item->path->num_points-i-1)*sizeof(gdouble));
+          else newtail->widths = NULL;
           newtail->canvas_item = NULL;
         }
       }
       if (item->type == ITEM_STROKE) { 
         // it's inside an erasure list - we destroy it
         gnome_canvas_points_free(item->path);
+        if (item->brush.variable_width) g_free(item->widths);
         if (item->canvas_item != NULL) 
           gtk_object_destroy(GTK_OBJECT(item->canvas_item));
         erasure->nrepl--;
@@ -291,11 +442,7 @@ void erase_stroke_portions(struct Item *item, double x, double y, double radius,
       // add the new head
       if (newhead != NULL) {
         update_item_bbox(newhead);
-        newhead->canvas_item = gnome_canvas_item_new(ui.cur_layer->group,
-            gnome_canvas_line_get_type(), "points", newhead->path,
-            "cap-style", GDK_CAP_ROUND, "join-style", GDK_JOIN_ROUND,
-            "fill-color-rgba", newhead->brush.color_rgba,
-            "width-units", newhead->brush.thickness, NULL);
+        make_canvas_item_one(ui.cur_layer->group, newhead);
         lower_canvas_item_to(ui.cur_layer->group,
                   newhead->canvas_item, erasure->item->canvas_item);
         erasure->replacement_items = g_list_prepend(erasure->replacement_items, newhead);
@@ -314,11 +461,7 @@ void erase_stroke_portions(struct Item *item, double x, double y, double radius,
   // add the tail if needed
   if (!need_recalc) return;
   update_item_bbox(item);
-  item->canvas_item = gnome_canvas_item_new(ui.cur_layer->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);
+  make_canvas_item_one(ui.cur_layer->group, item);
   lower_canvas_item_to(ui.cur_layer->group, item->canvas_item, 
                                       erasure->item->canvas_item);
 }
@@ -357,7 +500,7 @@ void do_eraser(GdkEvent *event, double radius, gboolean whole_strokes)
 void finalize_erasure(void)
 {
   GList *itemlist, *partlist;
-  struct Item *item, *part;
+  struct Item *item;
   
   prepare_new_undo();
   undo->type = ITEM_ERASURE;
@@ -393,384 +536,293 @@ void finalize_erasure(void)
      is traversed in the forward direction */
 }
 
-/************ selection tools ***********/
 
-void make_dashed(GnomeCanvasItem *item)
+gboolean do_hand_scrollto(gpointer data)
 {
-  double dashlen[2];
-  ArtVpathDash dash;
-  
-  dash.n_dash = 2;
-  dash.offset = 3.0;
-  dash.dash = dashlen;
-  dashlen[0] = dashlen[1] = 6.0;
-  gnome_canvas_item_set(item, "dash", &dash, NULL);
+  ui.hand_scrollto_pending = FALSE;
+  gnome_canvas_scroll_to(canvas, ui.hand_scrollto_cx, ui.hand_scrollto_cy);
+  return FALSE;
 }
 
-
-void start_selectrect(GdkEvent *event)
+void do_hand(GdkEvent *event)
 {
   double pt[2];
-  reset_selection();
+  int cx, cy;
   
-  ui.cur_item_type = ITEM_SELECTRECT;
-  ui.selection = g_new(struct Selection, 1);
-  ui.selection->type = ITEM_SELECTRECT;
-  ui.selection->items = NULL;
-  ui.selection->layer = ui.cur_layer;
-
   get_pointer_coords(event, pt);
-  ui.selection->bbox.left = ui.selection->bbox.right = pt[0];
-  ui.selection->bbox.top = ui.selection->bbox.bottom = pt[1];
- 
-  ui.selection->canvas_item = gnome_canvas_item_new(ui.cur_layer->group,
-      gnome_canvas_rect_get_type(), "width-pixels", 1, 
-      "outline-color-rgba", 0x000000ff,
-      "fill-color-rgba", 0x80808040,
-      "x1", pt[0], "x2", pt[0], "y1", pt[1], "y2", pt[1], NULL);
-  update_cursor();
+  pt[0] += ui.cur_page->hoffset;
+  pt[1] += ui.cur_page->voffset;
+  gnome_canvas_get_scroll_offsets(canvas, &cx, &cy);
+  ui.hand_scrollto_cx = cx - (pt[0]-ui.hand_refpt[0])*ui.zoom;
+  ui.hand_scrollto_cy = cy - (pt[1]-ui.hand_refpt[1])*ui.zoom;
+  if (!ui.hand_scrollto_pending) g_idle_add(do_hand_scrollto, NULL);
+  ui.hand_scrollto_pending = TRUE;
 }
 
-void finalize_selectrect(void)
-{
-  double x1, x2, y1, y2;
-  GList *itemlist;
-  struct Item *item;
+/************ TEXT FUNCTIONS **************/
 
-  
-  ui.cur_item_type = ITEM_NONE;
+// to make it easier to copy/paste at end of text box
+#define WIDGET_RIGHT_MARGIN 10
 
-  if (ui.selection->bbox.left > ui.selection->bbox.right) {
-    x1 = ui.selection->bbox.right;  x2 = ui.selection->bbox.left;
-    ui.selection->bbox.left = x1;   ui.selection->bbox.right = x2;
-  } else {
-    x1 = ui.selection->bbox.left;  x2 = ui.selection->bbox.right;
-  }
-
-  if (ui.selection->bbox.top > ui.selection->bbox.bottom) {
-    y1 = ui.selection->bbox.bottom;  y2 = ui.selection->bbox.top;
-    ui.selection->bbox.top = y1;   ui.selection->bbox.bottom = y2;
-  } else {
-    y1 = ui.selection->bbox.top;  y2 = ui.selection->bbox.bottom;
-  }
-  
-  for (itemlist = ui.selection->layer->items; itemlist!=NULL; itemlist = itemlist->next) {
-    item = (struct Item *)itemlist->data;
-    if (item->bbox.left >= x1 && item->bbox.right <= x2 &&
-          item->bbox.top >= y1 && item->bbox.bottom <= y2) {
-      ui.selection->items = g_list_append(ui.selection->items, item); 
-    }
-  }
-  
-  if (ui.selection->items == NULL) reset_selection();
-  else make_dashed(ui.selection->canvas_item);
-  update_cursor();
-  update_copy_paste_enabled();
+void resize_textview(gpointer *toplevel, gpointer *data)
+{
+  GtkTextView *w;
+  int width, height;
+  
+  /* when the text changes, resize the GtkTextView accordingly */
+  if (ui.cur_item_type!=ITEM_TEXT) return;
+  w = GTK_TEXT_VIEW(ui.cur_item->widget);
+  width = w->width + WIDGET_RIGHT_MARGIN;
+  height = w->height;
+  gnome_canvas_item_set(ui.cur_item->canvas_item, 
+    "size-pixels", TRUE, 
+    "width", (gdouble)width, "height", (gdouble)height, NULL);
+  ui.cur_item->bbox.right = ui.cur_item->bbox.left + width/ui.zoom;
+  ui.cur_item->bbox.bottom = ui.cur_item->bbox.top + height/ui.zoom;
 }
 
-gboolean start_movesel(GdkEvent *event)
+void start_text(GdkEvent *event, struct Item *item)
 {
   double pt[2];
-  
-  if (ui.selection==NULL) return FALSE;
-  if (ui.cur_layer != ui.selection->layer) return FALSE;
-  
+  GtkTextBuffer *buffer;
+  GnomeCanvasItem *canvas_item;
+  PangoFontDescription *font_desc;
+  GdkColor color;
+
   get_pointer_coords(event, pt);
-  if (ui.selection->type == ITEM_SELECTRECT) {
-    if (pt[0]<ui.selection->bbox.left || pt[0]>ui.selection->bbox.right ||
-        pt[1]<ui.selection->bbox.top  || pt[1]>ui.selection->bbox.bottom)
-      return FALSE;
-    ui.cur_item_type = ITEM_MOVESEL;
-    ui.selection->anchor_x = ui.selection->last_x = pt[0];
-    ui.selection->anchor_y = ui.selection->last_y = pt[1];
-    gnome_canvas_item_set(ui.selection->canvas_item, "dash", NULL, NULL);
-    update_cursor();
-    return TRUE;
+
+  ui.cur_item_type = ITEM_TEXT;
+
+  if (item==NULL) {
+    item = g_new(struct Item, 1);
+    item->text = NULL;
+    item->canvas_item = NULL;
+    item->bbox.left = pt[0];
+    item->bbox.top = pt[1];
+    item->bbox.right = ui.cur_page->width;
+    item->bbox.bottom = pt[1]+100.;
+    item->font_name = g_strdup(ui.font_name);
+    item->font_size = ui.font_size;
+    g_memmove(&(item->brush), ui.cur_brush, sizeof(struct Brush));
+    ui.cur_layer->items = g_list_append(ui.cur_layer->items, item);
+    ui.cur_layer->nitems++;
   }
-  return FALSE;
+  
+  item->type = ITEM_TEMP_TEXT;
+  ui.cur_item = item;
+  
+  font_desc = pango_font_description_from_string(item->font_name);
+  pango_font_description_set_absolute_size(font_desc, 
+      item->font_size*ui.zoom*PANGO_SCALE);
+  item->widget = gtk_text_view_new();
+  buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(item->widget));
+  if (item->text!=NULL)
+    gtk_text_buffer_set_text(buffer, item->text, -1);
+  gtk_widget_modify_font(item->widget, font_desc);
+  rgb_to_gdkcolor(item->brush.color_rgba, &color);
+  gtk_widget_modify_text(item->widget, GTK_STATE_NORMAL, &color);
+  pango_font_description_free(font_desc);
+
+  canvas_item = gnome_canvas_item_new(ui.cur_layer->group,
+    gnome_canvas_widget_get_type(),
+    "x", item->bbox.left, "y", item->bbox.top, 
+    "width", item->bbox.right-item->bbox.left, 
+    "height", item->bbox.bottom-item->bbox.top,
+    "widget", item->widget, NULL);
+  // TODO: width/height?
+  if (item->canvas_item!=NULL) {
+    lower_canvas_item_to(ui.cur_layer->group, canvas_item, item->canvas_item);
+    gtk_object_destroy(GTK_OBJECT(item->canvas_item));
+  }
+  item->canvas_item = canvas_item;
+
+  gtk_widget_show(item->widget);
+  ui.resize_signal_handler = 
+    g_signal_connect((gpointer) winMain, "check_resize",
+       G_CALLBACK(resize_textview), NULL);
+  update_font_button();
+  gtk_widget_set_sensitive(GET_COMPONENT("editPaste"), FALSE);
+  gtk_widget_set_sensitive(GET_COMPONENT("buttonPaste"), FALSE);
+  gtk_widget_grab_focus(item->widget); 
 }
 
-void start_vertspace(GdkEvent *event)
+void end_text(void)
 {
-  double pt[2];
-  GList *itemlist;
-  struct Item *item;
+  GtkTextBuffer *buffer;
+  GtkTextIter start, end;
+  gchar *new_text;
+  struct UndoErasureData *erasure;
+  GnomeCanvasItem *tmpitem;
 
-  reset_selection();
-  ui.cur_item_type = ITEM_MOVESEL;
-  ui.selection = g_new(struct Selection, 1);
-  ui.selection->type = ITEM_MOVESEL;
-  ui.selection->items = NULL;
-  ui.selection->layer = ui.cur_layer;
+  if (ui.cur_item_type!=ITEM_TEXT) return; // nothing for us to do!
 
-  get_pointer_coords(event, pt);
-  for (itemlist = ui.cur_layer->items; itemlist!=NULL; itemlist = itemlist->next) {
-    item = (struct Item *)itemlist->data;
-    if (item->bbox.top >= pt[1]) {
-      ui.selection->items = g_list_append(ui.selection->items, item); 
+  // finalize the text that's been edited... 
+  buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(ui.cur_item->widget));
+  gtk_text_buffer_get_bounds(buffer, &start, &end);
+  ui.cur_item->type = ITEM_TEXT;
+  new_text = gtk_text_buffer_get_text(buffer, &start, &end, TRUE);
+  ui.cur_item_type = ITEM_NONE;
+  gtk_widget_set_sensitive(GET_COMPONENT("editPaste"), TRUE);
+  gtk_widget_set_sensitive(GET_COMPONENT("buttonPaste"), TRUE);
+  
+  if (strlen(new_text)==0) { // erase object and cancel
+    g_free(new_text);
+    g_signal_handler_disconnect(winMain, ui.resize_signal_handler);
+    gtk_object_destroy(GTK_OBJECT(ui.cur_item->canvas_item));
+    ui.cur_item->canvas_item = NULL;
+    if (ui.cur_item->text == NULL) // nothing happened
+      g_free(ui.cur_item->font_name);
+    else { // treat this as an erasure
+      prepare_new_undo();
+      undo->type = ITEM_ERASURE;
+      undo->layer = ui.cur_layer;
+      erasure = (struct UndoErasureData *)g_malloc(sizeof(struct UndoErasureData));
+      erasure->item = ui.cur_item;
+      erasure->npos = g_list_index(ui.cur_layer->items, ui.cur_item);
+      erasure->nrepl = 0;
+      erasure->replacement_items = NULL;
+      undo->erasurelist = g_list_append(NULL, erasure);
     }
+    ui.cur_layer->items = g_list_remove(ui.cur_layer->items, ui.cur_item);
+    ui.cur_layer->nitems--;
+    ui.cur_item = NULL;
+    return;
   }
 
-  ui.selection->anchor_x = ui.selection->last_x = 0;
-  ui.selection->anchor_y = ui.selection->last_y = pt[1];
-  ui.selection->canvas_item = gnome_canvas_item_new(ui.cur_layer->group,
-      gnome_canvas_rect_get_type(), "width-pixels", 1, 
-      "outline-color-rgba", 0x000000ff,
-      "fill-color-rgba", 0x80808040,
-      "x1", -100.0, "x2", ui.cur_page->width+100, "y1", pt[1], "y2", pt[1], NULL);
-  update_cursor();
-}
-
-void continue_movesel(GdkEvent *event)
-{
-  double pt[2], dx, dy;
-  GList *list;
-  struct Item *item;
-  
-  get_pointer_coords(event, pt);
-  if (ui.toolno == TOOL_VERTSPACE) pt[0] = 0;
-  dx = pt[0] - ui.selection->last_x;
-  dy = pt[1] - ui.selection->last_y;
-  
-  if (hypot(dx,dy) < 1) return; // don't move subpixel
-  ui.selection->last_x = pt[0];
-  ui.selection->last_y = pt[1];
-  
-  // move the canvas items
-  if (ui.toolno == TOOL_VERTSPACE)
-    gnome_canvas_item_set(ui.selection->canvas_item, "y2", pt[1], NULL);
-  else 
-    gnome_canvas_item_move(ui.selection->canvas_item, dx, dy);
-  
-  for (list = ui.selection->items; list != NULL; list = list->next) {
-    item = (struct Item *)list->data;
-    if (item->canvas_item != NULL)
-      gnome_canvas_item_move(item->canvas_item, dx, dy);
+  // store undo data
+  if (ui.cur_item->text==NULL || strcmp(ui.cur_item->text, new_text)) {
+    prepare_new_undo();
+    if (ui.cur_item->text == NULL) undo->type = ITEM_TEXT; 
+    else undo->type = ITEM_TEXT_EDIT;
+    undo->layer = ui.cur_layer;
+    undo->item = ui.cur_item;
+    undo->str = ui.cur_item->text;
   }
-  
-  /* consider: if view_continuous, move items to a different page if
-     y value gets out of range (same algo as in button_down event
-     processing); then need to reparent the canvas items, delete the
-     Items from the old Layer, insert them on the new Layer, ...
-     and make an undo-event, probably cut-and-paste style... */
+  else g_free(ui.cur_item->text);
+
+  ui.cur_item->text = new_text;
+  ui.cur_item->widget = NULL;
+  // replace the canvas item
+  tmpitem = ui.cur_item->canvas_item;
+  make_canvas_item_one(ui.cur_layer->group, ui.cur_item);
+  update_item_bbox(ui.cur_item);
+  lower_canvas_item_to(ui.cur_layer->group, ui.cur_item->canvas_item, tmpitem);
+  gtk_object_destroy(GTK_OBJECT(tmpitem));
 }
 
-void finalize_movesel(void)
-{
-  if (ui.selection->items != NULL) {
-    prepare_new_undo();
-    undo->type = ITEM_MOVESEL;
-    undo->itemlist = g_list_copy(ui.selection->items);
-    undo->val_x = ui.selection->last_x - ui.selection->anchor_x;
-    undo->val_y = ui.selection->last_y - ui.selection->anchor_y;
-    move_journal_items_by(undo->itemlist, undo->val_x, undo->val_y);
-  }
+/* update the items in the canvas so they're of the right font size */
 
-  if (ui.toolno == TOOL_VERTSPACE)
-    reset_selection();
+void update_text_item_displayfont(struct Item *item)
+{
+  PangoFontDescription *font_desc;
+
+  if (item->type != ITEM_TEXT && item->type != ITEM_TEMP_TEXT) return;
+  if (item->canvas_item==NULL) return;
+  font_desc = pango_font_description_from_string(item->font_name);
+  pango_font_description_set_absolute_size(font_desc, 
+        item->font_size*ui.zoom*PANGO_SCALE);
+  if (item->type == ITEM_TEMP_TEXT)
+    gtk_widget_modify_font(item->widget, font_desc);
   else {
-    ui.selection->bbox.left += undo->val_x;
-    ui.selection->bbox.right += undo->val_x;
-    ui.selection->bbox.top += undo->val_y;
-    ui.selection->bbox.bottom += undo->val_y;
-    make_dashed(ui.selection->canvas_item);
+    gnome_canvas_item_set(item->canvas_item, "font-desc", font_desc, NULL);
+    update_item_bbox(item);
   }
-  ui.cur_item_type = ITEM_NONE;
-  update_cursor();
+  pango_font_description_free(font_desc);
 }
 
+void rescale_text_items(void)
+{
+  GList *pagelist, *layerlist, *itemlist;
+  
+  for (pagelist = journal.pages; pagelist!=NULL; pagelist = pagelist->next)
+    for (layerlist = ((struct Page *)pagelist->data)->layers; layerlist!=NULL; layerlist = layerlist->next)
+      for (itemlist = ((struct Layer *)layerlist->data)->items; itemlist!=NULL; itemlist = itemlist->next)
+        update_text_item_displayfont((struct Item *)itemlist->data);
+}
 
-void selection_delete(void)
+struct Item *click_is_in_text(struct Layer *layer, double x, double y)
 {
-  struct UndoErasureData *erasure;
   GList *itemlist;
-  struct Item *item;
+  struct Item *item, *val;
   
-  if (ui.selection == NULL) return;
-  prepare_new_undo();
-  undo->type = ITEM_ERASURE;
-  undo->layer = ui.selection->layer;
-  undo->erasurelist = NULL;
-  for (itemlist = ui.selection->items; itemlist!=NULL; itemlist = itemlist->next) {
+  val = NULL;
+  for (itemlist = layer->items; itemlist!=NULL; itemlist = itemlist->next) {
     item = (struct Item *)itemlist->data;
-    if (item->canvas_item!=NULL)
-      gtk_object_destroy(GTK_OBJECT(item->canvas_item));
-    erasure = g_new(struct UndoErasureData, 1);
-    erasure->item = item;
-    erasure->npos = g_list_index(ui.selection->layer->items, item);
-    erasure->nrepl = 0;
-    erasure->replacement_items = NULL;
-    ui.selection->layer->items = g_list_remove(ui.selection->layer->items, item);
-    ui.selection->layer->nitems--;
-    undo->erasurelist = g_list_prepend(undo->erasurelist, erasure);
+    if (item->type != ITEM_TEXT) continue;
+    if (x<item->bbox.left || x>item->bbox.right) continue;
+    if (y<item->bbox.top || y>item->bbox.bottom) continue;
+    val = item;
   }
-  reset_selection();
-
-  /* NOTE: the erasurelist is built backwards; this guarantees that,
-     upon undo, the erasure->npos fields give the correct position
-     where each item should be reinserted as the list is traversed in
-     the forward direction */
+  return val;
 }
 
-void callback_clipboard_get(GtkClipboard *clipboard,
-                            GtkSelectionData *selection_data,
-                            guint info, gpointer user_data)
+struct Item *click_is_in_text_or_image(struct Layer *layer, double x, double y)
 {
-  int length;
+  GList *itemlist;
+  struct Item *item, *val;
   
-  g_memmove(&length, user_data, sizeof(int));
-  gtk_selection_data_set(selection_data,
-     gdk_atom_intern("_XOURNAL", FALSE), 8, user_data, length);
+  val = NULL;
+  for (itemlist = layer->items; itemlist!=NULL; itemlist = itemlist->next) {
+    item = (struct Item *)itemlist->data;
+    if (item->type != ITEM_TEXT && item->type != ITEM_IMAGE) continue;
+    if (x<item->bbox.left || x>item->bbox.right) continue;
+    if (y<item->bbox.top || y>item->bbox.bottom) continue;
+    val = item;
+  }
+  return val;
 }
 
-void callback_clipboard_clear(GtkClipboard *clipboard, gpointer user_data)
+void refont_text_item(struct Item *item, gchar *font_name, double font_size)
 {
-  g_free(user_data);
+  if (!strcmp(font_name, item->font_name) && font_size==item->font_size) return;
+  if (item->text!=NULL) {
+    prepare_new_undo();
+    undo->type = ITEM_TEXT_ATTRIB;
+    undo->item = item;
+    undo->str = item->font_name;
+    undo->val_x = item->font_size;
+    undo->brush = (struct Brush *)g_memdup(&(item->brush), sizeof(struct Brush));
+  }
+  else g_free(item->font_name);
+  item->font_name = g_strdup(font_name);
+  if (font_size>0.) item->font_size = font_size;
+  update_text_item_displayfont(item);
 }
 
-void selection_to_clip(void)
+void process_font_sel(gchar *str)
 {
-  int bufsz, nitems;
-  char *buf, *p;
+  gchar *p, *q;
+  struct Item *it;
+  gdouble size;
   GList *list;
-  struct Item *item;
-  GtkTargetEntry target;
-  
-  if (ui.selection == NULL) return;
-  bufsz = 2*sizeof(int) // bufsz, nitems
-        + sizeof(struct BBox); // bbox
-  nitems = 0;
-  for (list = ui.selection->items; list != NULL; list = list->next) {
-    item = (struct Item *)list->data;
-    nitems++;
-    if (item->type == ITEM_STROKE) {
-      bufsz+= sizeof(int) // type
-            + sizeof(struct Brush) // brush
-            + sizeof(int) // num_points
-            + 2*item->path->num_points*sizeof(double); // the points
-    }
-    else bufsz+= sizeof(int); // type
+  gboolean undo_cont;
+
+  p = strrchr(str, ' ');
+  if (p!=NULL) { 
+    size = g_strtod(p+1, &q);
+    if (*q!=0 || size<1.) size=0.;
+    else *p=0;
   }
-  p = buf = g_malloc(bufsz);
-  g_memmove(p, &bufsz, sizeof(int)); p+= sizeof(int);
-  g_memmove(p, &nitems, sizeof(int)); p+= sizeof(int);
-  g_memmove(p, &ui.selection->bbox, sizeof(struct BBox)); p+= sizeof(struct BBox);
-  for (list = ui.selection->items; list != NULL; list = list->next) {
-    item = (struct Item *)list->data;
-    g_memmove(p, &item->type, sizeof(int)); p+= sizeof(int);
-    if (item->type == ITEM_STROKE) {
-      g_memmove(p, &item->brush, sizeof(struct Brush)); p+= sizeof(struct Brush);
-      g_memmove(p, &item->path->num_points, sizeof(int)); p+= sizeof(int);
-      g_memmove(p, item->path->coords, 2*item->path->num_points*sizeof(double));
-      p+= 2*item->path->num_points*sizeof(double);
-    }
+  else size=0.;
+  g_free(ui.font_name);
+  ui.font_name = str;  
+  if (size>0.) ui.font_size = size;
+  undo_cont = FALSE;   
+  // if there's a current text item, re-font it
+  if (ui.cur_item_type == ITEM_TEXT) {
+    refont_text_item(ui.cur_item, str, size);
+    undo_cont = (ui.cur_item->text!=NULL);   
   }
-  
-  target.target = "_XOURNAL";
-  target.flags = 0;
-  target.info = 0;
-  
-  gtk_clipboard_set_with_data(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), 
-       &target, 1,
-       callback_clipboard_get, callback_clipboard_clear, buf);
-}
-
-
-void clipboard_paste(void)
-{
-  GtkSelectionData *sel_data;
-  unsigned char *p;
-  int nitems, npts, i;
-  GList *list;
-  struct Item *item;
-  double hoffset, voffset, cx, cy;
-  double *pf;
-  int sx, sy, wx, wy;
-  
-  if (ui.cur_layer == NULL) return;
-  
-  ui.cur_item_type = ITEM_PASTE;
-  sel_data = gtk_clipboard_wait_for_contents(
-      gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
-      gdk_atom_intern("_XOURNAL", FALSE));
-  ui.cur_item_type = ITEM_NONE;
-  if (sel_data == NULL) return; // paste failed
-  
-  reset_selection();
-  ui.toolno = TOOL_SELECTRECT;
-  ui.ruler = FALSE;
-  update_tool_buttons();
-  update_tool_menu();
-  update_color_menu();
-  update_cursor();
-  
-  ui.selection = g_new(struct Selection, 1);
-  p = sel_data->data + sizeof(int);
-  g_memmove(&nitems, p, sizeof(int)); p+= sizeof(int);
-  ui.selection->type = ITEM_SELECTRECT;
-  ui.selection->layer = ui.cur_layer;
-  g_memmove(&ui.selection->bbox, p, sizeof(struct BBox)); p+= sizeof(struct BBox);
-  ui.selection->items = NULL;
-  
-  // find by how much we translate the pasted selection
-  gnome_canvas_get_scroll_offsets(canvas, &sx, &sy);
-  gdk_window_get_geometry(GTK_WIDGET(canvas)->window, NULL, NULL, &wx, &wy, NULL);
-  gnome_canvas_window_to_world(canvas, sx + wx/2, sy + wy/2, &cx, &cy);
-  cx -= ui.cur_page->hoffset;
-  cy -= ui.cur_page->voffset;
-  if (cx + (ui.selection->bbox.right-ui.selection->bbox.left)/2 > ui.cur_page->width)
-    cx = ui.cur_page->width - (ui.selection->bbox.right-ui.selection->bbox.left)/2;
-  if (cx - (ui.selection->bbox.right-ui.selection->bbox.left)/2 < 0)
-    cx = (ui.selection->bbox.right-ui.selection->bbox.left)/2;
-  if (cy + (ui.selection->bbox.bottom-ui.selection->bbox.top)/2 > ui.cur_page->height)
-    cy = ui.cur_page->height - (ui.selection->bbox.bottom-ui.selection->bbox.top)/2;
-  if (cy - (ui.selection->bbox.bottom-ui.selection->bbox.top)/2 < 0)
-    cy = (ui.selection->bbox.bottom-ui.selection->bbox.top)/2;
-  hoffset = cx - (ui.selection->bbox.right+ui.selection->bbox.left)/2;
-  voffset = cy - (ui.selection->bbox.top+ui.selection->bbox.bottom)/2;
-  ui.selection->bbox.left += hoffset;
-  ui.selection->bbox.right += hoffset;
-  ui.selection->bbox.top += voffset;
-  ui.selection->bbox.bottom += voffset;
-
-  ui.selection->canvas_item = gnome_canvas_item_new(ui.cur_layer->group,
-      gnome_canvas_rect_get_type(), "width-pixels", 1,
-      "outline-color-rgba", 0x000000ff,
-      "fill-color-rgba", 0x80808040,
-      "x1", ui.selection->bbox.left, "x2", ui.selection->bbox.right, 
-      "y1", ui.selection->bbox.top, "y2", ui.selection->bbox.bottom, NULL);
-  make_dashed(ui.selection->canvas_item);
-
-  while (nitems-- > 0) {
-    item = g_new(struct Item, 1);
-    ui.selection->items = g_list_append(ui.selection->items, item);
-    ui.cur_layer->items = g_list_append(ui.cur_layer->items, item);
-    ui.cur_layer->nitems++;
-    g_memmove(&item->type, p, sizeof(int)); p+= sizeof(int);
-    if (item->type == ITEM_STROKE) {
-      g_memmove(&item->brush, p, sizeof(struct Brush)); p+= sizeof(struct Brush);
-      g_memmove(&npts, p, sizeof(int)); p+= sizeof(int);
-      item->path = gnome_canvas_points_new(npts);
-      pf = (double *)p;
-      for (i=0; i<npts; i++) {
-        item->path->coords[2*i] = pf[2*i] + hoffset;
-        item->path->coords[2*i+1] = pf[2*i+1] + voffset;
+  // if there's a current selection, re-font it
+  if (ui.selection!=NULL) 
+    for (list=ui.selection->items; list!=NULL; list=list->next) {
+      it = (struct Item *)list->data;
+      if (it->type == ITEM_TEXT) {   
+        if (undo_cont) undo->multiop |= MULTIOP_CONT_REDO;
+        refont_text_item(it, str, size);
+        if (undo_cont) undo->multiop |= MULTIOP_CONT_UNDO;
+        undo_cont = TRUE;
       }
-      p+= 2*item->path->num_points*sizeof(double);
-      update_item_bbox(item);
-      item->canvas_item = gnome_canvas_item_new(ui.cur_layer->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);
-    }
-  }
-
-  prepare_new_undo();
-  undo->type = ITEM_PASTE;
-  undo->layer = ui.cur_layer;
-  undo->itemlist = g_list_copy(ui.selection->items);  
-  
-  gtk_selection_data_free(sel_data);
-  update_copy_paste_enabled();
+    }  
+  update_font_button();
 }