4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "bcdragwindow.h"
28 BC_DragWindow::BC_DragWindow(BC_WindowBase *parent_window,
29 BC_Pixmap *pixmap, int icon_x, int icon_y)
30 : BC_Popup(parent_window, icon_x, icon_y, pixmap->get_w(), pixmap->get_h(),
38 icon_offset_x = init_x - parent_window->get_abs_cursor_x(0);
39 icon_offset_y = init_y - parent_window->get_abs_cursor_y(0);
40 //printf("BC_DragWindow::BC_DragWindow 1 %d %d\n", icon_offset_x, icon_offset_y);
45 BC_DragWindow::BC_DragWindow(BC_WindowBase *parent_window,
46 VFrame *frame, int icon_x, int icon_y)
47 : BC_Popup(parent_window, icon_x, icon_y, frame->get_w(), frame->get_h(),
48 -1, 0, prepare_frame(frame, parent_window))
54 icon_offset_x = init_x - parent_window->get_abs_cursor_x(0);
55 icon_offset_y = init_y - parent_window->get_abs_cursor_y(0);
56 //printf("BC_DragWindow::BC_DragWindow 1 %d %d\n", icon_offset_x, icon_offset_y);
60 BC_DragWindow::~BC_DragWindow()
65 int BC_DragWindow::get_init_x(BC_WindowBase *parent_window, int icon_x)
67 int output_x, temp = 0;
69 XTranslateCoordinates(parent_window->top_level->display,
70 parent_window->win, parent_window->top_level->rootwin,
71 icon_x, temp, &output_x, &temp, &tempwin);
75 int BC_DragWindow::get_init_y(BC_WindowBase *parent_window, int icon_y)
77 int output_y, temp = 0;
79 XTranslateCoordinates(parent_window->top_level->display,
80 parent_window->win, parent_window->top_level->rootwin,
81 temp, icon_y, &temp, &output_y, &tempwin);
85 int BC_DragWindow::cursor_motion_event()
88 get_abs_cursor(cx, cy);
89 reposition_window(cx + icon_offset_x, cy + icon_offset_y, get_w(), get_h());
93 int BC_DragWindow::button_release_event()
95 cursor_motion_event();
97 return BC_WindowBase::button_release_event();
100 int BC_DragWindow::get_offset_x()
102 return icon_offset_x;
105 int BC_DragWindow::get_offset_y()
107 return icon_offset_y;
110 int BC_DragWindow::drag_failure_event()
112 if(!do_animation) return 0;
114 if(end_x == BC_INFINITY) {
119 for(int i = 0; i < 10; i++) {
120 int new_x = end_x + (init_x - end_x) * i / 10;
121 int new_y = end_y + (init_y - end_y) * i / 10;
123 reposition_window(new_x, new_y, get_w(), get_h());
130 void BC_DragWindow::set_animation(int value)
132 this->do_animation = value;
135 BC_Pixmap *BC_DragWindow::prepare_frame(VFrame *frame, BC_WindowBase *parent_window)
137 VFrame *temp_frame = 0;
138 int tw = frame->get_w(), th = frame->get_h();
140 if( frame->get_color_model() != BC_RGBA8888 ) {
141 temp_frame = new VFrame(tw, th, BC_RGBA8888);
142 temp_frame->transfer_from(frame);
145 temp_frame = new VFrame(*frame);
147 int tx = tw/2, ty = th/2, tx1 = tx-1, ty1 = ty-1, tx2 = tx+2, ty2 = ty+2;
148 int bpp = BC_CModels::calculate_pixelsize(temp_frame->get_color_model());
149 unsigned char **rows = temp_frame->get_rows();
150 for( int y=ty1; y<ty2; ++y ) {
151 for( int x=tx1; x<tx2; ++x ) {
152 unsigned char *rp = rows[y] + x*bpp;
153 rp[3] = 0; // alpha of center pixels = 0
156 drag_pixmap = new BC_Pixmap(parent_window, temp_frame, PIXMAP_ALPHA);