diff options
Diffstat (limited to 'src/tool_select.c')
| -rw-r--r-- | src/tool_select.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/src/tool_select.c b/src/tool_select.c deleted file mode 100644 index 1b9debb..0000000 --- a/src/tool_select.c +++ /dev/null @@ -1,234 +0,0 @@ -/* - * tool_sekect.c - * - * Colloquium - A tiny presentation program - * - * Copyright (c) 2011 Thomas White <taw@bitwiz.org.uk> - * - * 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 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - */ - - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdlib.h> -#include <string.h> -#include <assert.h> - -#include "presentation.h" -#include "objects.h" -#include "mainwindow.h" -#include "slide_render.h" - - -enum select_drag_reason -{ - SELECT_DRAG_REASON_NONE, - SELECT_DRAG_REASON_POTENTIAL_MOVE, - SELECT_DRAG_REASON_MOVE, -}; - - -struct select_toolinfo -{ - struct toolinfo base; - double drag_offs_x; - double drag_offs_y; - double box_x; - double box_y; - double box_width; - double box_height; - enum select_drag_reason drag_reason; -}; - - -static void click_select(struct presentation *p, struct toolinfo *tip, - double x, double y, GdkEventButton *event, - enum drag_status *drag_status, - enum drag_reason *drag_reason) -{ - struct select_toolinfo *ti = (struct select_toolinfo *)tip; - struct object *clicked = p->editing_object; - - ti->drag_offs_x = clicked->x - x; - ti->drag_offs_y = clicked->y - y; - - *drag_status = DRAG_STATUS_COULD_DRAG; - *drag_reason = DRAG_REASON_TOOL; - ti->drag_reason = SELECT_DRAG_REASON_POTENTIAL_MOVE; -} - - -static void update_box(struct select_toolinfo *ti, double x, double y, - struct object *o) -{ - double nx, ny; - double eright, ebottom; - - nx = x + ti->drag_offs_x; - ny = y + ti->drag_offs_y; - - /* Enforce margins */ - eright = o->parent->parent->slide_width - o->style->margin_right; - ebottom = o->parent->parent->slide_height - o->style->margin_bottom; - if ( nx < o->style->margin_left ) nx = o->style->margin_left; - if ( ny < o->style->margin_top ) ny = o->style->margin_top; - if ( nx+o->bb_width > eright ) nx = eright - o->bb_width; - if ( ny+o->bb_height > ebottom ) ny = ebottom - o->bb_height; - - ti->box_x = nx; - ti->box_y = ny; - ti->box_width = o->bb_width; - ti->box_height = o->bb_height; -} - - -static void drag(struct toolinfo *tip, struct presentation *p, - struct object *o, double x, double y) -{ - struct select_toolinfo *ti = (struct select_toolinfo *)tip; - - if ( ti->drag_reason == SELECT_DRAG_REASON_POTENTIAL_MOVE ) { - ti->drag_reason = SELECT_DRAG_REASON_MOVE; - } - - if ( ti->drag_reason != SELECT_DRAG_REASON_MOVE ) return; - - update_box(ti, x, y, o); - - redraw_overlay(p); -} - - -static void end_drag(struct toolinfo *tip, struct presentation *p, - struct object *o, double x, double y) -{ - struct select_toolinfo *ti = (struct select_toolinfo *)tip; - - update_box(ti, x, y, o); - o->x = ti->box_x; - o->y = ti->box_y; - ti->drag_reason = SELECT_DRAG_REASON_NONE; - redraw_slide(o->parent); -} - - -static void create_region(struct toolinfo *tip, struct presentation *p, - double x1, double y1, double x2, double y2) -{ - /* FIXME: Select multiple objects */ -} - - -static void select_object(struct object *o,struct toolinfo *tip) -{ - /* Do nothing */ -} - - -static int deselect_object(struct object *o,struct toolinfo *tip) -{ - /* Do nothing */ - return 0; -} - - -static void draw_overlay(struct toolinfo *tip, cairo_t *cr, struct object *o) -{ - struct select_toolinfo *ti = (struct select_toolinfo *)tip; - - if ( o != NULL ) { - draw_editing_box(cr, o->x, o->y, o->bb_width, o->bb_height); - } - - if ( ti->drag_reason == SELECT_DRAG_REASON_MOVE ) { - draw_rubberband_box(cr, ti->box_x, ti->box_y, - ti->box_width, ti->box_height); - } -} - - -static void key_pressed(struct object *o, guint keyval, struct toolinfo *tip) -{ - /* Do nothing */ -} - - -static void im_commit(struct object *o, gchar *str, struct toolinfo *tip) -{ - /* Do nothing */ -} - - -static int valid_object(struct object *o) -{ - return 1; -} - - -static gint delete_sig(GtkWidget *widget, struct presentation *p) -{ - if ( p->editing_object == NULL ) return FALSE; - - delete_object(p->editing_object); - p->editing_object = NULL; - redraw_slide(p->cur_edit_slide); - - return FALSE; -} - - -static void realise(struct toolinfo *ti, GtkWidget *w, struct presentation *p) -{ - GtkWidget *hbox; - GtkWidget *del; - - hbox = gtk_hbox_new(FALSE, 0.0); - ti->tbox = hbox; - - del = gtk_button_new_from_stock(GTK_STOCK_DELETE); - g_signal_connect(G_OBJECT(del), "clicked", G_CALLBACK(delete_sig), p); - gtk_box_pack_start(GTK_BOX(hbox), del, FALSE, FALSE, 0); - - g_object_ref(ti->tbox); - gtk_widget_show_all(ti->tbox); -} - - -struct toolinfo *initialise_select_tool() -{ - struct select_toolinfo *ti; - - ti = malloc(sizeof(*ti)); - - ti->drag_reason = SELECT_DRAG_REASON_NONE; - - ti->base.click_select = click_select; - ti->base.create_default = NULL; - ti->base.select = select_object; - ti->base.deselect = deselect_object; - ti->base.drag = drag; - ti->base.end_drag = end_drag; - ti->base.create_region = create_region; - ti->base.draw_editing_overlay = draw_overlay; - ti->base.key_pressed = key_pressed; - ti->base.im_commit = im_commit; - ti->base.valid_object = valid_object; - ti->base.realise = realise; - - return (struct toolinfo *)ti; -} |