/*
* CINELERRA
* Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- *
+ *
* 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 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ *
*/
#include "bcdragwindow.h"
+#include "bcbitmap.h"
#include "bcpixmap.h"
#include "vframe.h"
#include <unistd.h>
-// Icon has to be offset so the cursor isn't directly over it.
-// The cursor has to be over the target window for X to detect the right window.
-#define DRAG_OFFSET_X 16
-#define DRAG_OFFSET_Y 16
-
-BC_DragWindow::BC_DragWindow(BC_WindowBase *parent_window,
- BC_Pixmap *pixmap /*,
- int icon_x,
- int icon_y */)
- : BC_Popup(parent_window,
-// icon_x,
-// icon_y,
- parent_window->get_abs_cursor_x(0) + DRAG_OFFSET_X,
- parent_window->get_abs_cursor_y(0) + DRAG_OFFSET_Y,
- pixmap->get_w(),
- pixmap->get_h(),
- -1,
- 0,
- pixmap)
+BC_DragWindow::BC_DragWindow(BC_WindowBase *parent_window,
+ BC_Pixmap *pixmap, int center_x, int center_y)
+ : BC_Popup(parent_window,
+ center_x - pixmap->get_w() / 2, center_y - pixmap->get_h() / 2,
+ pixmap->get_w(), pixmap->get_h(), -1, 0,
+ prepare_pixmap(pixmap, parent_window))
{
- temp_frame = 0;
-// init_x = icon_x;
-// init_y = icon_y;
- init_x = parent_window->get_abs_cursor_x(0) + DRAG_OFFSET_X;
- init_y = parent_window->get_abs_cursor_y(0) + DRAG_OFFSET_Y;
+ drag_pixmap = 0;
+ init_x = get_x();
+ init_y = get_y();
end_x = BC_INFINITY;
end_y = BC_INFINITY;
- icon_offset_x = init_x - parent_window->get_abs_cursor_x(0);
- icon_offset_y = init_y - parent_window->get_abs_cursor_y(0);
-//printf("BC_DragWindow::BC_DragWindow 1 %d %d\n", icon_offset_x, icon_offset_y);
do_animation = 1;
}
-BC_DragWindow::BC_DragWindow(BC_WindowBase *parent_window,
- VFrame *frame /*,
- int icon_x,
- int icon_y */)
- : BC_Popup(parent_window,
-// icon_x,
-// icon_y,
- parent_window->get_abs_cursor_x(0) + DRAG_OFFSET_X,
- parent_window->get_abs_cursor_y(0) + DRAG_OFFSET_Y,
- frame->get_w(),
- frame->get_h(),
- -1,
- 0,
+BC_DragWindow::BC_DragWindow(BC_WindowBase *parent_window,
+ VFrame *frame, int center_x, int center_y)
+ : BC_Popup(parent_window,
+ center_x - frame->get_w() / 2, center_y - frame->get_h() / 2,
+ frame->get_w(), frame->get_h(), -1, 0,
prepare_frame(frame, parent_window))
{
- delete temp_frame; // created in prepare_frame inside constructor
- temp_frame = 0;
-// init_x = icon_x;
-// init_y = icon_y;
- init_x = parent_window->get_abs_cursor_x(0) + DRAG_OFFSET_X;
- init_y = parent_window->get_abs_cursor_y(0) + DRAG_OFFSET_Y;
+ init_x = get_x();
+ init_y = get_y();
end_x = BC_INFINITY;
end_y = BC_INFINITY;
- icon_offset_x = init_x - parent_window->get_abs_cursor_x(0);
- icon_offset_y = init_y - parent_window->get_abs_cursor_y(0);
-//printf("BC_DragWindow::BC_DragWindow 1 %d %d\n", icon_offset_x, icon_offset_y);
do_animation = 1;
}
BC_DragWindow::~BC_DragWindow()
{
-}
-
-int BC_DragWindow::get_init_x(BC_WindowBase *parent_window, int icon_x)
-{
- int output_x, temp = 0;
- Window tempwin;
- XTranslateCoordinates(parent_window->top_level->display,
- parent_window->win,
- parent_window->top_level->rootwin,
- icon_x,
- temp,
- &output_x,
- &temp,
- &tempwin);
- return output_x;
-}
-
-int BC_DragWindow::get_init_y(BC_WindowBase *parent_window, int icon_y)
-{
- int output_y, temp = 0;
- Window tempwin;
- XTranslateCoordinates(parent_window->top_level->display,
- parent_window->win,
- parent_window->top_level->rootwin,
- temp,
- icon_y,
- &temp,
- &output_y,
- &tempwin);
- return output_y;
+ delete drag_pixmap;
}
int BC_DragWindow::cursor_motion_event()
{
- reposition_window(get_abs_cursor_x(0) + icon_offset_x,
- get_abs_cursor_y(0) + icon_offset_y,
- get_w(),
- get_h());
+ int cx, cy;
+ get_abs_cursor(cx, cy);
+ cx -= get_w() / 2;
+ cy -= get_h() / 2;
+ reposition_window(cx, cy, get_w(), get_h());
flush();
return 1;
}
-
-int BC_DragWindow::get_offset_x()
-{
- return icon_offset_x;
-}
-
-int BC_DragWindow::get_offset_y()
+int BC_DragWindow::button_release_event()
{
- return icon_offset_y;
+ cursor_motion_event();
+ sync();
+ return BC_WindowBase::button_release_event();
}
int BC_DragWindow::drag_failure_event()
{
if(!do_animation) return 0;
- if(end_x == BC_INFINITY)
- {
+ if(end_x == BC_INFINITY) {
end_x = get_x();
end_y = get_y();
}
- for(int i = 0; i < 10; i++)
- {
+ for(int i = 0; i < 10; i++) {
int new_x = end_x + (init_x - end_x) * i / 10;
int new_y = end_y + (init_y - end_y) * i / 10;
- reposition_window(new_x,
- new_y,
- get_w(),
- get_h());
+ reposition_window(new_x, new_y, get_w(), get_h());
flush();
- usleep(1000);
+ usleep(250000/10);
}
return 0;
}
BC_Pixmap *BC_DragWindow::prepare_frame(VFrame *frame, BC_WindowBase *parent_window)
{
- temp_frame = 0;
-
- if(frame->get_color_model() == BC_RGBA8888)
- {
- temp_frame = new VFrame(*frame);
+ VFrame *temp_frame = frame;
+ int tw = frame->get_w(), th = frame->get_h();
+
+ if( frame->get_color_model() != BC_RGBA8888 ) {
+ temp_frame = new VFrame(tw, th, BC_RGBA8888, 0);
+ temp_frame->transfer_from(frame);
}
- else
- {
- temp_frame = new VFrame;
- temp_frame->set_use_shm(0);
- temp_frame->reallocate(0,
- -1,
- 0,
- 0,
- 0,
- frame->get_w(),
- frame->get_h(),
- BC_RGBA8888,
- -1);
-
- BC_CModels::transfer(temp_frame->get_rows(), frame->get_rows(),
- 0, 0, 0, 0, 0, 0,
- 0, 0, frame->get_w(), frame->get_h(),
- 0, 0, temp_frame->get_w(), temp_frame->get_h(),
- frame->get_color_model(), temp_frame->get_color_model(),
- 0, frame->get_w(), temp_frame->get_w());
+
+ int tx = tw/2, ty = th/2, tx1 = tx-1, ty1 = ty-1, tx2 = tx+2, ty2 = ty+2;
+ int bpp = BC_CModels::calculate_pixelsize(temp_frame->get_color_model());
+ unsigned char **rows = temp_frame->get_rows();
+ for( int y=ty1; y<ty2; ++y ) {
+ for( int x=tx1; x<tx2; ++x ) {
+ unsigned char *rp = rows[y] + x*bpp;
+ rp[3] = 0; // alpha of center pixels = 0
+ }
}
- temp_frame->get_rows()[(temp_frame->get_h() / 2)][(temp_frame->get_w() / 2) * 4 + 3] = 0;
- my_pixmap = new BC_Pixmap(parent_window,
- temp_frame,
- PIXMAP_ALPHA);
+ drag_pixmap = new BC_Pixmap(parent_window, temp_frame, PIXMAP_ALPHA);
- return (my_pixmap);
+ if( temp_frame != frame )
+ delete temp_frame;
+ return drag_pixmap;
}
+BC_Pixmap *BC_DragWindow::prepare_pixmap(BC_Pixmap *pixmap, BC_WindowBase *parent_window)
+{
+ int pix_w = pixmap->get_w(), pix_h = pixmap->get_h();
+ BC_Bitmap bitmap(parent_window, pix_w, pix_h, BC_RGB888, 0);
+ Pixmap xpixmap = pixmap->get_pixmap();
+ VFrame frame(pix_w, pix_h, BC_RGB888);
+ bitmap.read_drawable(xpixmap, 0,0,&frame);
+ return prepare_frame(&frame, parent_window);
+}