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) {
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 *************/
ui.cur_path.num_points = 1;
get_pointer_coords(event, ui.cur_path.coords);
- if (ui.ruler[ui.cur_mapping])
+ 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);
}
void continue_stroke(GdkEvent *event)
{
GnomeCanvasPoints seg;
- double *pt;
+ double *pt, current_width;
- if (ui.ruler[ui.cur_mapping]) {
+ if (ui.cur_brush->ruler) {
pt = ui.cur_path.coords;
} else {
realloc_cur_path(ui.cur_path.num_points+1);
get_pointer_coords(event, pt+2);
- if (ui.ruler[ui.cur_mapping])
+ 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)
upon creation the line just copies the contents of the GnomeCanvasPoints
into an internal structure */
- if (ui.ruler[ui.cur_mapping])
+ 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)
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();
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;
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--;
// 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);
// 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);
}
void finalize_erasure(void)
{
GList *itemlist, *partlist;
- struct Item *item, *part;
+ struct Item *item;
prepare_new_undo();
undo->type = ITEM_ERASURE;
}
}
+ if (ui.selection->items == NULL) {
+ // if we clicked inside a text zone ?
+ item = click_is_in_text(ui.selection->layer, x1, y1);
+ if (item!=NULL && item==click_is_in_text(ui.selection->layer, x2, y2)) {
+ ui.selection->items = g_list_append(ui.selection->items, item);
+ g_memmove(&(ui.selection->bbox), &(item->bbox), sizeof(struct BBox));
+ gnome_canvas_item_set(ui.selection->canvas_item,
+ "x1", item->bbox.left, "x2", item->bbox.right,
+ "y1", item->bbox.top, "y2", item->bbox.bottom, NULL);
+ }
+ }
+
if (ui.selection->items == NULL) reset_selection();
else make_dashed(ui.selection->canvas_item);
update_cursor();
update_copy_paste_enabled();
+ update_font_button();
}
gboolean start_movesel(GdkEvent *event)
return FALSE;
}
+gboolean start_resizesel(GdkEvent *event)
+{
+ double pt[2], resize_margin, hmargin, vmargin;
+
+ if (ui.selection==NULL) return FALSE;
+ if (ui.cur_layer != ui.selection->layer) return FALSE;
+
+ get_pointer_coords(event, pt);
+
+ if (ui.selection->type == ITEM_SELECTRECT) {
+ resize_margin = RESIZE_MARGIN/ui.zoom;
+ hmargin = (ui.selection->bbox.right-ui.selection->bbox.left)*0.3;
+ if (hmargin>resize_margin) hmargin = resize_margin;
+ vmargin = (ui.selection->bbox.bottom-ui.selection->bbox.top)*0.3;
+ if (vmargin>resize_margin) vmargin = resize_margin;
+
+ // make sure the click is within a box slightly bigger than the selection rectangle
+ 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)
+ return FALSE;
+
+ // now, if the click is near the edge, it's a resize operation
+ // keep track of which edges we're close to, since those are the ones which should move
+ ui.selection->resizing_left = (pt[0]<ui.selection->bbox.left+hmargin);
+ ui.selection->resizing_right = (pt[0]>ui.selection->bbox.right-hmargin);
+ ui.selection->resizing_top = (pt[1]<ui.selection->bbox.top+vmargin);
+ ui.selection->resizing_bottom = (pt[1]>ui.selection->bbox.bottom-vmargin);
+
+ // we're not near any edge, give up
+ if (!(ui.selection->resizing_left || ui.selection->resizing_right ||
+ ui.selection->resizing_top || ui.selection->resizing_bottom))
+ return FALSE;
+
+ ui.cur_item_type = ITEM_RESIZESEL;
+ ui.selection->new_y1 = ui.selection->bbox.top;
+ ui.selection->new_y2 = ui.selection->bbox.bottom;
+ ui.selection->new_x1 = ui.selection->bbox.left;
+ ui.selection->new_x2 = ui.selection->bbox.right;
+ gnome_canvas_item_set(ui.selection->canvas_item, "dash", NULL, NULL);
+ update_cursor_for_resize(pt);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+
void start_vertspace(GdkEvent *event)
{
double pt[2];
}
}
+void continue_resizesel(GdkEvent *event)
+{
+ double pt[2];
+
+ get_pointer_coords(event, pt);
+
+ if (ui.selection->resizing_top) ui.selection->new_y1 = pt[1];
+ if (ui.selection->resizing_bottom) ui.selection->new_y2 = pt[1];
+ if (ui.selection->resizing_left) ui.selection->new_x1 = pt[0];
+ if (ui.selection->resizing_right) ui.selection->new_x2 = pt[0];
+
+ gnome_canvas_item_set(ui.selection->canvas_item,
+ "x1", ui.selection->new_x1, "x2", ui.selection->new_x2,
+ "y1", ui.selection->new_y1, "y2", ui.selection->new_y2, NULL);
+}
+
void finalize_movesel(void)
{
GList *list, *link;
- struct Item *item;
if (ui.selection->items != NULL) {
prepare_new_undo();
ui.selection->bbox.top += undo->val_y;
ui.selection->bbox.bottom += undo->val_y;
make_dashed(ui.selection->canvas_item);
+ /* update selection box object's offset to be trivial, and its internal
+ coordinates to agree with those of the bbox; need this since resize
+ operations will modify the box by setting its coordinates directly */
+ gnome_canvas_item_affine_absolute(ui.selection->canvas_item, NULL);
+ gnome_canvas_item_set(ui.selection->canvas_item,
+ "x1", ui.selection->bbox.left, "x2", ui.selection->bbox.right,
+ "y1", ui.selection->bbox.top, "y2", ui.selection->bbox.bottom, NULL);
}
ui.cur_item_type = ITEM_NONE;
update_cursor();
}
+#define SCALING_EPSILON 0.001
+
+void finalize_resizesel(void)
+{
+ struct Item *item;
+
+ // build the affine transformation
+ double offset_x, offset_y, scaling_x, scaling_y;
+ scaling_x = (ui.selection->new_x2 - ui.selection->new_x1) /
+ (ui.selection->bbox.right - ui.selection->bbox.left);
+ scaling_y = (ui.selection->new_y2 - ui.selection->new_y1) /
+ (ui.selection->bbox.bottom - ui.selection->bbox.top);
+ // couldn't undo a resize-by-zero...
+ if (fabs(scaling_x)<SCALING_EPSILON) scaling_x = SCALING_EPSILON;
+ if (fabs(scaling_y)<SCALING_EPSILON) scaling_y = SCALING_EPSILON;
+ offset_x = ui.selection->new_x1 - ui.selection->bbox.left * scaling_x;
+ offset_y = ui.selection->new_y1 - ui.selection->bbox.top * scaling_y;
+
+ if (ui.selection->items != NULL) {
+ // create the undo information
+ prepare_new_undo();
+ undo->type = ITEM_RESIZESEL;
+ undo->itemlist = g_list_copy(ui.selection->items);
+ undo->auxlist = NULL;
+
+ undo->scaling_x = scaling_x;
+ undo->scaling_y = scaling_y;
+ undo->val_x = offset_x;
+ undo->val_y = offset_y;
+
+ // actually do the resize operation
+ resize_journal_items_by(ui.selection->items, scaling_x, scaling_y, offset_x, offset_y);
+ }
+
+ if (scaling_x>0) {
+ ui.selection->bbox.left = ui.selection->new_x1;
+ ui.selection->bbox.right = ui.selection->new_x2;
+ } else {
+ ui.selection->bbox.left = ui.selection->new_x2;
+ ui.selection->bbox.right = ui.selection->new_x1;
+ }
+ if (scaling_y>0) {
+ ui.selection->bbox.top = ui.selection->new_y1;
+ ui.selection->bbox.bottom = ui.selection->new_y2;
+ } else {
+ ui.selection->bbox.top = ui.selection->new_y2;
+ ui.selection->bbox.bottom = ui.selection->new_y1;
+ }
+ make_dashed(ui.selection->canvas_item);
+
+ ui.cur_item_type = ITEM_NONE;
+ update_cursor();
+}
void selection_delete(void)
{
void selection_to_clip(void)
{
- int bufsz, nitems;
+ int bufsz, nitems, val;
char *buf, *p;
GList *list;
struct Item *item;
+ sizeof(struct Brush) // brush
+ sizeof(int) // num_points
+ 2*item->path->num_points*sizeof(double); // the points
+ if (item->brush.variable_width)
+ bufsz += (item->path->num_points-1)*sizeof(double); // the widths
+ }
+ else if (item->type == ITEM_TEXT) {
+ bufsz+= sizeof(int) // type
+ + sizeof(struct Brush) // brush
+ + 2*sizeof(double) // bbox upper-left
+ + sizeof(int) // text len
+ + strlen(item->text)+1 // text
+ + sizeof(int) // font_name len
+ + strlen(item->font_name)+1 // font_name
+ + sizeof(double); // font_size
}
else bufsz+= sizeof(int); // type
}
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);
+ if (item->brush.variable_width) {
+ g_memmove(p, item->widths, (item->path->num_points-1)*sizeof(double));
+ p+= (item->path->num_points-1)*sizeof(double);
+ }
+ }
+ if (item->type == ITEM_TEXT) {
+ g_memmove(p, &item->brush, sizeof(struct Brush)); p+= sizeof(struct Brush);
+ g_memmove(p, &item->bbox.left, sizeof(double)); p+= sizeof(double);
+ g_memmove(p, &item->bbox.top, sizeof(double)); p+= sizeof(double);
+ val = strlen(item->text);
+ g_memmove(p, &val, sizeof(int)); p+= sizeof(int);
+ g_memmove(p, item->text, val+1); p+= val+1;
+ val = strlen(item->font_name);
+ g_memmove(p, &val, sizeof(int)); p+= sizeof(int);
+ g_memmove(p, item->font_name, val+1); p+= val+1;
+ g_memmove(p, &item->font_size, sizeof(double)); p+= sizeof(double);
}
}
{
GtkSelectionData *sel_data;
unsigned char *p;
- int nitems, npts, i;
- GList *list;
+ int nitems, npts, i, len;
struct Item *item;
double hoffset, voffset, cx, cy;
double *pf;
item->path->coords[2*i+1] = pf[2*i+1] + voffset;
}
p+= 2*item->path->num_points*sizeof(double);
+ if (item->brush.variable_width) {
+ item->widths = g_memdup(p, (item->path->num_points-1)*sizeof(double));
+ p+= (item->path->num_points-1)*sizeof(double);
+ }
+ else item->widths = NULL;
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);
+ }
+ if (item->type == ITEM_TEXT) {
+ g_memmove(&item->brush, p, sizeof(struct Brush)); p+= sizeof(struct Brush);
+ g_memmove(&item->bbox.left, p, sizeof(double)); p+= sizeof(double);
+ g_memmove(&item->bbox.top, p, sizeof(double)); p+= sizeof(double);
+ item->bbox.left += hoffset;
+ item->bbox.top += voffset;
+ g_memmove(&len, p, sizeof(int)); p+= sizeof(int);
+ item->text = g_malloc(len+1);
+ g_memmove(item->text, p, len+1); p+= len+1;
+ g_memmove(&len, p, sizeof(int)); p+= sizeof(int);
+ item->font_name = g_malloc(len+1);
+ g_memmove(item->font_name, p, len+1); p+= len+1;
+ g_memmove(&item->font_size, p, sizeof(double)); p+= sizeof(double);
+ make_canvas_item_one(ui.cur_layer->group, item);
}
}
gtk_selection_data_free(sel_data);
update_copy_paste_enabled();
+ update_color_menu();
+ update_thickness_buttons();
+ update_color_buttons();
+ update_font_button();
+ update_cursor(); // FIXME: can't know if pointer is within selection!
}
// modify the color or thickness of pen strokes in a selection
-void recolor_selection(int color)
+void recolor_selection(int color_no, guint color_rgba)
{
GList *itemlist;
struct Item *item;
struct Brush *brush;
+ GnomeCanvasGroup *group;
if (ui.selection == NULL) return;
prepare_new_undo();
undo->auxlist = NULL;
for (itemlist = ui.selection->items; itemlist!=NULL; itemlist = itemlist->next) {
item = (struct Item *)itemlist->data;
- if (item->type != ITEM_STROKE || item->brush.tool_type!=TOOL_PEN) continue;
+ if (item->type != ITEM_STROKE && item->type != ITEM_TEXT) continue;
+ if (item->type == ITEM_STROKE && item->brush.tool_type!=TOOL_PEN) continue;
// store info for undo
undo->itemlist = g_list_append(undo->itemlist, item);
brush = (struct Brush *)g_malloc(sizeof(struct Brush));
g_memmove(brush, &(item->brush), sizeof(struct Brush));
undo->auxlist = g_list_append(undo->auxlist, brush);
// repaint the stroke
- item->brush.color_no = color;
- item->brush.color_rgba = predef_colors_rgba[color];
- if (item->canvas_item!=NULL)
- gnome_canvas_item_set(item->canvas_item,
- "fill-color-rgba", item->brush.color_rgba, NULL);
+ item->brush.color_no = color_no;
+ item->brush.color_rgba = color_rgba;
+ if (item->canvas_item!=NULL) {
+ if (!item->brush.variable_width)
+ gnome_canvas_item_set(item->canvas_item,
+ "fill-color-rgba", item->brush.color_rgba, NULL);
+ else {
+ group = (GnomeCanvasGroup *) item->canvas_item->parent;
+ gtk_object_destroy(GTK_OBJECT(item->canvas_item));
+ make_canvas_item_one(group, item);
+ }
+ }
}
}
GList *itemlist;
struct Item *item;
struct Brush *brush;
+ GnomeCanvasGroup *group;
if (ui.selection == NULL) return;
prepare_new_undo();
// repaint the stroke
item->brush.thickness_no = val;
item->brush.thickness = predef_thickness[TOOL_PEN][val];
- if (item->canvas_item!=NULL)
- gnome_canvas_item_set(item->canvas_item,
- "width-units", item->brush.thickness, NULL);
+ if (item->canvas_item!=NULL) {
+ if (!item->brush.variable_width)
+ gnome_canvas_item_set(item->canvas_item,
+ "width-units", item->brush.thickness, NULL);
+ else {
+ group = (GnomeCanvasGroup *) item->canvas_item->parent;
+ gtk_object_destroy(GTK_OBJECT(item->canvas_item));
+ item->brush.variable_width = FALSE;
+ make_canvas_item_one(group, item);
+ }
+ }
+ }
+}
+
+gboolean do_hand_scrollto(gpointer data)
+{
+ ui.hand_scrollto_pending = FALSE;
+ gnome_canvas_scroll_to(canvas, ui.hand_scrollto_cx, ui.hand_scrollto_cy);
+ return FALSE;
+}
+
+void do_hand(GdkEvent *event)
+{
+ double pt[2];
+ int cx, cy;
+
+ get_pointer_coords(event, pt);
+ 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;
+}
+
+/************ TEXT FUNCTIONS **************/
+
+// to make it easier to copy/paste at end of text box
+#define WIDGET_RIGHT_MARGIN 10
+
+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;
+}
+
+void start_text(GdkEvent *event, struct Item *item)
+{
+ double pt[2];
+ GtkTextBuffer *buffer;
+ GnomeCanvasItem *canvas_item;
+ PangoFontDescription *font_desc;
+ GdkColor color;
+
+ get_pointer_coords(event, pt);
+ ui.cur_item_type = ITEM_TEXT;
+
+ // HACK TO BYPASS GTK+ 2.17 issues
+ if (!gtk_check_version(2, 17, 0)) {
+ /* first we make *all* canvas subwindows become XInput aware,
+ so that it'll be safe to disable XInput later on... (!!!) */
+ gtk_widget_set_extension_events(GTK_WIDGET (canvas),
+ ui.use_xinput?GDK_EXTENSION_EVENTS_ALL:GDK_EXTENSION_EVENTS_NONE);
+ /* then we ask the canvas's leave-notify handler to disable
+ xinput when it's safe to do so... */
+ ui.need_emergency_disable_xinput = TRUE;
+ }
+
+ 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++;
+ }
+
+ 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);
+ gtk_widget_grab_focus(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);
+}
+
+void end_text(void)
+{
+ GtkTextBuffer *buffer;
+ GtkTextIter start, end;
+ gchar *new_text;
+ struct UndoErasureData *erasure;
+ GnomeCanvasItem *tmpitem;
+
+ if (ui.cur_item_type!=ITEM_TEXT) return; // nothing for us to do!
+
+ // HACK TO BYPASS GTK+ 2.17 issues
+ if (!gtk_check_version(2, 17, 0)) {
+ // re-enable XInput if needed (we disabled it during text edition)
+ gdk_input_set_extension_events(GTK_WIDGET(canvas)->window,
+ GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK,
+ ui.use_xinput?GDK_EXTENSION_EVENTS_ALL:GDK_EXTENSION_EVENTS_NONE);
+ }
+
+ // 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;
+ }
+
+ // 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;
}
+ 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));
+}
+
+/* update the items in the canvas so they're of the right font size */
+
+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 {
+ gnome_canvas_item_set(item->canvas_item, "font-desc", font_desc, NULL);
+ update_item_bbox(item);
+ }
+ 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);
+}
+
+struct Item *click_is_in_text(struct Layer *layer, double x, double y)
+{
+ GList *itemlist;
+ struct Item *item, *val;
+
+ val = NULL;
+ for (itemlist = layer->items; itemlist!=NULL; itemlist = itemlist->next) {
+ item = (struct Item *)itemlist->data;
+ 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;
+ }
+ return val;
+}
+
+void refont_text_item(struct Item *item, gchar *font_name, double font_size)
+{
+ 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 process_font_sel(gchar *str)
+{
+ gchar *p, *q;
+ struct Item *it;
+ gdouble size;
+ GList *list;
+ 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;
+ }
+ else size=0.;
+ reset_focus();
+ 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);
+ }
+ // 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;
+ }
+ }
+ update_font_button();
}
projects / xournal.git / blobdiff