X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=src%2Fxo-paint.c;h=5b2e7761e679d4b434e19af11aad33f0654f6217;hb=69037d6ddbe7e90d13d8a7a088d8c209a926190e;hp=dd03604c03afeb77cff54d8b6e08997aca1a1df3;hpb=2e5ff0bff41fa53d4941b6f0fe49c8914bf29cbc;p=xournal.git diff --git a/src/xo-paint.c b/src/xo-paint.c index dd03604..5b2e776 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 . + */ + #ifdef HAVE_CONFIG_H # include #endif @@ -7,8 +22,6 @@ #include #include -#include - #include "xournal.h" #include "xo-callbacks.h" #include "xo-interface.h" @@ -18,21 +31,6 @@ /************** 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; @@ -50,11 +48,70 @@ void set_cursor_busy(gboolean busy) 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; 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) { @@ -66,29 +123,13 @@ void update_cursor(void) 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); @@ -103,6 +144,49 @@ void update_cursor(void) 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]bbox.left-resize_margin || pt[0]>ui.selection->bbox.right+resize_margin + || pt[1]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 *************/ @@ -145,13 +229,14 @@ void create_new_stroke(GdkEvent *event) 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); } @@ -159,9 +244,9 @@ void create_new_stroke(GdkEvent *event) 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); @@ -170,7 +255,14 @@ void continue_stroke(GdkEvent *event) 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) @@ -186,14 +278,14 @@ void continue_stroke(GdkEvent *event) 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) @@ -202,20 +294,28 @@ 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 - make_canvas_item_one(ui.cur_layer->group, ui.cur_item); + 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 +364,9 @@ 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 +379,17 @@ 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--; @@ -349,7 +457,7 @@ 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; @@ -385,557 +493,6 @@ void finalize_erasure(void) 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]bbox.left || pt[0]>ui.selection->bbox.right || - pt[1]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; -} - -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 finalize_movesel(void) -{ - GList *list, *link; - struct Item *item; - - 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); - } - 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 - } - 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->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; - 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.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; ipath->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); - 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(); -} - -// modify the color or thickness of pen strokes in a selection - -void recolor_selection(int color) -{ - GList *itemlist; - struct Item *item; - struct Brush *brush; - - 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; - 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); - } -} - -void rethicken_selection(int val) -{ - GList *itemlist; - struct Item *item; - struct Brush *brush; - - 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) - gnome_canvas_item_set(item->canvas_item, - "width-units", item->brush.thickness, NULL); - } -} gboolean do_hand_scrollto(gpointer data) { @@ -950,6 +507,8 @@ void do_hand(GdkEvent *event) 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; @@ -982,13 +541,13 @@ void resize_textview(gpointer *toplevel, gpointer *data) void start_text(GdkEvent *event, struct Item *item) { double pt[2]; - gchar *text; GtkTextBuffer *buffer; GnomeCanvasItem *canvas_item; PangoFontDescription *font_desc; GdkColor color; - + get_pointer_coords(event, pt); + ui.cur_item_type = ITEM_TEXT; if (item==NULL) { @@ -1035,13 +594,13 @@ void start_text(GdkEvent *event, struct Item *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); + gtk_widget_grab_focus(item->widget); } void end_text(void) @@ -1053,7 +612,7 @@ void end_text(void) GnomeCanvasItem *tmpitem; if (ui.cur_item_type!=ITEM_TEXT) return; // nothing for us to do! - + // 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); @@ -1131,7 +690,6 @@ void update_text_item_displayfont(struct Item *item) void rescale_text_items(void) { GList *pagelist, *layerlist, *itemlist; - struct Layer *l; for (pagelist = journal.pages; pagelist!=NULL; pagelist = pagelist->next) for (layerlist = ((struct Page *)pagelist->data)->layers; layerlist!=NULL; layerlist = layerlist->next) @@ -1155,6 +713,22 @@ struct Item *click_is_in_text(struct Layer *layer, double x, double y) 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 (xbbox.left || x>item->bbox.right) continue; + if (ybbox.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; @@ -1187,7 +761,6 @@ void process_font_sel(gchar *str) else *p=0; } else size=0.; - reset_focus(); g_free(ui.font_name); ui.font_name = str; if (size>0.) ui.font_size = size;