#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"
#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[] = {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-
-static char cursor_eraser_bits[] = {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x0f, 0x08, 0x08, 0x08, 0x08,
- 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0xf8, 0x0f,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-
-static char cursor_eraser_mask[] = {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x0f, 0xf8, 0x0f, 0xf8, 0x0f,
- 0xf8, 0x0f, 0xf8, 0x0f, 0xf8, 0x0f, 0xf8, 0x0f, 0xf8, 0x0f, 0xf8, 0x0f,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-
void set_cursor_busy(gboolean busy)
{
GdkCursor *cursor;
gdk_display_sync(gdk_display_get_default());
}
+#define PEN_CURSOR_RADIUS 1
+#define HILITER_CURSOR_RADIUS 3
+#define HILITER_BORDER_RADIUS 4
+
+GdkCursor *make_pen_cursor(guint color_rgba)
+{
+ int rowstride, x, y;
+ guchar col[4], *pixels;
+
+ if (ui.pen_cursor_pix == NULL) {
+ ui.pen_cursor_pix = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 16, 16);
+ if (ui.pen_cursor_pix == NULL) return NULL; // couldn't create pixbuf
+ gdk_pixbuf_fill(ui.pen_cursor_pix, 0xffffff00); // transparent white
+ }
+ rowstride = gdk_pixbuf_get_rowstride(ui.pen_cursor_pix);
+ pixels = gdk_pixbuf_get_pixels(ui.pen_cursor_pix);
+
+ col[0] = (color_rgba >> 24) & 0xff;
+ col[1] = (color_rgba >> 16) & 0xff;
+ col[2] = (color_rgba >> 8) & 0xff;
+ col[3] = 0xff; // solid
+ for (x = 8-PEN_CURSOR_RADIUS; x <= 8+PEN_CURSOR_RADIUS; x++)
+ for (y = 8-PEN_CURSOR_RADIUS; y <= 8+PEN_CURSOR_RADIUS; y++)
+ g_memmove(pixels + y*rowstride + x*4, col, 4);
+
+ return gdk_cursor_new_from_pixbuf(gdk_display_get_default(), ui.pen_cursor_pix, 7, 7);
+}
+
+GdkCursor *make_hiliter_cursor(guint color_rgba)
+{
+ int rowstride, x, y;
+ guchar col[4], *pixels;
+
+ if (ui.hiliter_cursor_pix == NULL) {
+ ui.hiliter_cursor_pix = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 16, 16);
+ if (ui.hiliter_cursor_pix == NULL) return NULL; // couldn't create pixbuf
+ gdk_pixbuf_fill(ui.hiliter_cursor_pix, 0xffffff00); // transparent white
+ }
+ rowstride = gdk_pixbuf_get_rowstride(ui.hiliter_cursor_pix);
+ pixels = gdk_pixbuf_get_pixels(ui.hiliter_cursor_pix);
+
+ col[0] = col[1] = col[2] = 0; // black
+ col[3] = 0xff; // solid
+ for (x = 8-HILITER_BORDER_RADIUS; x <= 8+HILITER_BORDER_RADIUS; x++)
+ for (y = 8-HILITER_BORDER_RADIUS; y <= 8+HILITER_BORDER_RADIUS; y++)
+ g_memmove(pixels + y*rowstride + x*4, col, 4);
+
+ col[0] = (color_rgba >> 24) & 0xff;
+ col[1] = (color_rgba >> 16) & 0xff;
+ col[2] = (color_rgba >> 8) & 0xff;
+ col[3] = 0xff; // solid
+ for (x = 8-HILITER_CURSOR_RADIUS; x <= 8+HILITER_CURSOR_RADIUS; x++)
+ for (y = 8-HILITER_CURSOR_RADIUS; y <= 8+HILITER_CURSOR_RADIUS; y++)
+ g_memmove(pixels + y*rowstride + x*4, col, 4);
+
+ return gdk_cursor_new_from_pixbuf(gdk_display_get_default(), ui.hiliter_cursor_pix, 7, 7);
+}
+
void update_cursor(void)
{
GdkPixmap *source, *mask;
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;
- source = gdk_bitmap_create_from_data(NULL, cursor_pen_bits, 16, 16);
- ui.cursor = gdk_cursor_new_from_pixmap(source, source, &fg, &bg, 7, 7);
- gdk_bitmap_unref(source);
+ ui.cursor = make_pen_cursor(ui.cur_brush->color_rgba);
}
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);
+ ui.cursor = make_hiliter_cursor(0xffffffff);
}
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;
- bg.green = (ui.cur_brush->color_rgba >> 8) & 0xff00;
- bg.blue = (ui.cur_brush->color_rgba >> 0) & 0xff00;
- ui.cursor = gdk_cursor_new_from_pixmap(source, mask, &fg, &bg, 7, 7);
- gdk_bitmap_unref(source);
- gdk_bitmap_unref(mask);
+ ui.cursor = make_hiliter_cursor(ui.cur_brush->color_rgba);
}
else if (ui.cur_item_type == ITEM_SELECTRECT) {
ui.cursor = gdk_cursor_new(GDK_TCROSS);
is traversed in the forward direction */
}
-/************ selection tools ***********/
-
-void make_dashed(GnomeCanvasItem *item)
-{
- 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);
-}
-
-
-void start_selectrect(GdkEvent *event)
-{
- double pt[2];
- reset_selection();
-
- 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();
-}
-
-void finalize_selectrect(void)
-{
- double x1, x2, y1, y2;
- GList *itemlist;
- struct Item *item;
-
-
- ui.cur_item_type = ITEM_NONE;
-
- 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) {
- // 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)
-{
- double pt[2];
-
- 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) {
- 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];
- ui.selection->orig_pageno = ui.pageno;
- ui.selection->move_pageno = ui.pageno;
- ui.selection->move_layer = ui.selection->layer;
- ui.selection->move_pagedelta = 0.;
- gnome_canvas_item_set(ui.selection->canvas_item, "dash", NULL, NULL);
- update_cursor();
- return TRUE;
- }
- 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];
- GList *itemlist;
- struct Item *item;
-
- reset_selection();
- ui.cur_item_type = ITEM_MOVESEL_VERT;
- ui.selection = g_new(struct Selection, 1);
- ui.selection->type = ITEM_MOVESEL_VERT;
- ui.selection->items = NULL;
- ui.selection->layer = ui.cur_layer;
-
- get_pointer_coords(event, pt);
- ui.selection->bbox.top = ui.selection->bbox.bottom = pt[1];
- 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);
- if (item->bbox.bottom > ui.selection->bbox.bottom)
- ui.selection->bbox.bottom = item->bbox.bottom;
- }
- }
-
- ui.selection->anchor_x = ui.selection->last_x = 0;
- ui.selection->anchor_y = ui.selection->last_y = pt[1];
- ui.selection->orig_pageno = ui.pageno;
- ui.selection->move_pageno = ui.pageno;
- ui.selection->move_layer = ui.selection->layer;
- ui.selection->move_pagedelta = 0.;
- 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, upmargin;
- GList *list;
- struct Item *item;
- int tmppageno;
- struct Page *tmppage;
-
- get_pointer_coords(event, pt);
- if (ui.cur_item_type == ITEM_MOVESEL_VERT) pt[0] = 0;
- pt[1] += ui.selection->move_pagedelta;
-
- // check for page jumps
- if (ui.cur_item_type == ITEM_MOVESEL_VERT)
- upmargin = ui.selection->bbox.bottom - ui.selection->bbox.top;
- else upmargin = VIEW_CONTINUOUS_SKIP;
- tmppageno = ui.selection->move_pageno;
- tmppage = g_list_nth_data(journal.pages, tmppageno);
- while (ui.view_continuous && (pt[1] < - upmargin)) {
- if (tmppageno == 0) break;
- tmppageno--;
- tmppage = g_list_nth_data(journal.pages, tmppageno);
- pt[1] += tmppage->height + VIEW_CONTINUOUS_SKIP;
- ui.selection->move_pagedelta += tmppage->height + VIEW_CONTINUOUS_SKIP;
- }
- while (ui.view_continuous && (pt[1] > tmppage->height+VIEW_CONTINUOUS_SKIP)) {
- if (tmppageno == journal.npages-1) break;
- pt[1] -= tmppage->height + VIEW_CONTINUOUS_SKIP;
- ui.selection->move_pagedelta -= tmppage->height + VIEW_CONTINUOUS_SKIP;
- tmppageno++;
- tmppage = g_list_nth_data(journal.pages, tmppageno);
- }
-
- if (tmppageno != ui.selection->move_pageno) {
- // move to a new page !
- ui.selection->move_pageno = tmppageno;
- if (tmppageno == ui.selection->orig_pageno)
- ui.selection->move_layer = ui.selection->layer;
- else
- ui.selection->move_layer = (struct Layer *)(g_list_last(
- ((struct Page *)g_list_nth_data(journal.pages, tmppageno))->layers)->data);
- gnome_canvas_item_reparent(ui.selection->canvas_item, ui.selection->move_layer->group);
- for (list = ui.selection->items; list!=NULL; list = list->next) {
- item = (struct Item *)list->data;
- if (item->canvas_item!=NULL)
- gnome_canvas_item_reparent(item->canvas_item, ui.selection->move_layer->group);
- }
- // avoid a refresh bug
- gnome_canvas_item_move(GNOME_CANVAS_ITEM(ui.selection->move_layer->group), 0., 0.);
- if (ui.cur_item_type == ITEM_MOVESEL_VERT)
- gnome_canvas_item_set(ui.selection->canvas_item,
- "x2", tmppage->width+100,
- "y1", ui.selection->anchor_y+ui.selection->move_pagedelta, NULL);
- }
-
- // now, process things normally
-
- 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.cur_item_type == ITEM_MOVESEL_VERT)
- 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);
- }
-}
-
-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;
-
- 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;
- undo->layer = ui.selection->layer;
- undo->layer2 = ui.selection->move_layer;
- undo->auxlist = NULL;
- // build auxlist = pointers to Item's just before ours (for depths)
- for (list = ui.selection->items; list!=NULL; list = list->next) {
- link = g_list_find(ui.selection->layer->items, list->data);
- if (link!=NULL) link = link->prev;
- undo->auxlist = g_list_append(undo->auxlist, ((link!=NULL) ? link->data : NULL));
- }
- ui.selection->layer = ui.selection->move_layer;
- move_journal_items_by(undo->itemlist, undo->val_x, undo->val_y,
- undo->layer, undo->layer2,
- (undo->layer == undo->layer2)?undo->auxlist:NULL);
- }
-
- if (ui.selection->move_pageno!=ui.selection->orig_pageno)
- do_switch_page(ui.selection->move_pageno, FALSE, FALSE);
-
- if (ui.cur_item_type == ITEM_MOVESEL_VERT)
- reset_selection();
- 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);
- /* 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)
-{
- struct UndoErasureData *erasure;
- GList *itemlist;
- struct Item *item;
-
- 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) {
- 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);
- }
- 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 */
-}
-
-void callback_clipboard_get(GtkClipboard *clipboard,
- GtkSelectionData *selection_data,
- guint info, gpointer user_data)
-{
- int length;
-
- g_memmove(&length, user_data, sizeof(int));
- gtk_selection_data_set(selection_data,
- gdk_atom_intern("_XOURNAL", FALSE), 8, user_data, length);
-}
-
-void callback_clipboard_clear(GtkClipboard *clipboard, gpointer user_data)
-{
- g_free(user_data);
-}
-
-void selection_to_clip(void)
-{
- int bufsz, nitems, val;
- char *buf, *p;
- 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
- 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
- }
- 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);
- 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);
- }
- }
-
- 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, len;
- 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.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;
- }
- 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);
- 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);
- }
- }
-
- 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_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_no, guint color_rgba)
-{
- GList *itemlist;
- struct Item *item;
- struct Brush *brush;
- GnomeCanvasGroup *group;
-
- if (ui.selection == NULL) return;
- prepare_new_undo();
- undo->type = ITEM_REPAINTSEL;
- undo->itemlist = NULL;
- undo->auxlist = NULL;
- for (itemlist = ui.selection->items; itemlist!=NULL; itemlist = itemlist->next) {
- item = (struct Item *)itemlist->data;
- 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_no;
- item->brush.color_rgba = color_rgba | 0xff; // no alpha
- 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);
- }
- }
- }
-}
-
-void rethicken_selection(int val)
-{
- GList *itemlist;
- struct Item *item;
- struct Brush *brush;
- GnomeCanvasGroup *group;
-
- if (ui.selection == NULL) return;
- prepare_new_undo();
- undo->type = ITEM_REPAINTSEL;
- undo->itemlist = NULL;
- 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;
- // 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.thickness_no = val;
- item->brush.thickness = predef_thickness[TOOL_PEN][val];
- 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)
{
return val;
}
+struct Item *click_is_in_text_or_image(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 && 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 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;
projects / xournal.git / blobdiff