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added transparent option and fixed copy constructor

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This commit is contained in:
fluxgen 2003-08-04 12:44:43 +00:00
parent 6b9d7cb224
commit 93a10f6233
1 changed files with 130 additions and 11 deletions
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141
src/FbTk/FbWindow.cc
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@ -19,18 +19,50 @@
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id: FbWindow.cc,v 1.22 2003/07/02 05:17:30 fluxgen Exp $
// $Id: FbWindow.cc,v 1.23 2003/08/04 12:44:43 fluxgen Exp $
#include "FbWindow.hh"
#include "EventManager.hh"
#include "EventManager.hh"
#include "Color.hh"
#include "App.hh"
#include "Transparent.hh"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif // HAVE_CONFIG_H
#include <X11/Xatom.h>
#include <cassert>
namespace FbTk {
namespace {
Pixmap getRootPixmap(int screen_num) {
Pixmap root_pm = 0;
// get root pixmap for transparency
Display *disp = FbTk::App::instance()->display();
Atom real_type;
int real_format;
unsigned long items_read, items_left;
unsigned int *data;
if (XGetWindowProperty(disp, RootWindow(disp, screen_num),
XInternAtom(disp, "_XROOTPMAP_ID", false),
0L, 1L,
false, XA_PIXMAP, &real_type,
&real_format, &items_read, &items_left,
(unsigned char **) &data) == Success &&
items_read) {
root_pm = (Pixmap) (*data);
XFree(data);
}
return root_pm;
}
}; // end anonymous namespace
Display *FbWindow::s_display = 0;
FbWindow::FbWindow():m_parent(0), m_screen_num(0), m_window(0), m_x(0), m_y(0),
@ -40,6 +72,18 @@ FbWindow::FbWindow():m_parent(0), m_screen_num(0), m_window(0), m_x(0), m_y(0),
s_display = App::instance()->display();
}
FbWindow::FbWindow(const FbWindow& the_copy):m_parent(the_copy.parent()),
m_screen_num(the_copy.screenNumber()), m_window(the_copy.window()),
m_x(the_copy.x()), m_y(the_copy.y()),
m_width(the_copy.width()), m_height(the_copy.height()),
m_border_width(the_copy.borderWidth()),
m_depth(the_copy.depth()), m_destroy(true) {
if (s_display == 0)
s_display = App::instance()->display();
the_copy.m_window = 0;
}
FbWindow::FbWindow(int screen_num,
int x, int y,
unsigned int width, unsigned int height,
@ -98,6 +142,7 @@ void FbWindow::setBackgroundPixmap(Pixmap bg_pixmap) {
void FbWindow::setBorderColor(const FbTk::Color &border_color) {
XSetWindowBorder(s_display, m_window, border_color.pixel());
}
void FbWindow::setBorderWidth(unsigned int size) {
XSetWindowBorderWidth(s_display, m_window, size);
m_border_width = size;
@ -121,6 +166,82 @@ void FbWindow::clearArea(int x, int y,
XClearArea(s_display, window(), x, y, width, height, exposures);
}
void FbWindow::updateTransparent(int the_x, int the_y, unsigned int the_width, unsigned int the_height) {
#ifdef HAVE_XRENDER
if (width() == 0 || height() == 0)
return;
if (the_width == 0 || the_height == 0) {
the_width = width();
the_height = height();
}
if (the_x < 0 || the_y < 0) {
the_x = 0;
the_y = 0;
}
if (!m_transparent.get())
return;
// update source and destination if needed
Pixmap root = getRootPixmap(screenNumber());
if (m_transparent->source() != root)
m_transparent->setSource(root, screenNumber());
if (m_transparent->dest() != window())
m_transparent->setDest(window(), screenNumber());
// get root position
const FbWindow *root_parent = parent();
// our position in parent ("root")
int root_x = x() + borderWidth(), root_y = y() + borderWidth();
if (root_parent != 0) {
root_x += root_parent->x() + root_parent->borderWidth();
root_y += root_parent->y() + root_parent->borderWidth();
while (root_parent->parent() != 0) {
root_parent = root_parent->parent();
root_x += root_parent->x() + root_parent->borderWidth();
root_y += root_parent->y() + root_parent->borderWidth();
}
} // else toplevel window so we already have x, y set
// render background image from root pos to our window
m_transparent->render(root_x + the_x, root_y + the_y,
the_x, the_y,
the_width, the_height);
#endif // HAVE_XRENDER
}
void FbWindow::setAlpha(unsigned char alpha) {
#ifdef HAVE_XRENDER
if (m_transparent.get() == 0 && alpha != 0) {
m_transparent.reset(new Transparent(getRootPixmap(screenNumber()), window(), alpha, screenNumber()));
} else if (alpha != 0 && alpha != m_transparent->alpha())
m_transparent->setAlpha(alpha);
else if (alpha == 0)
m_transparent.reset(0); // destroy transparent object
#endif // HAVE_XRENDER
}
FbWindow &FbWindow::operator = (const FbWindow &win) {
m_parent = win.parent();
m_screen_num = win.screenNumber();
m_window = win.window();
m_x = win.x();
m_y = win.y();
m_width = win.width();
m_height = win.height();
m_border_width = win.borderWidth();
m_depth = win.depth();
// take over this window
win.m_window = 0;
return *this;
}
FbWindow &FbWindow::operator = (Window win) {
setNew(win);
return *this;
@ -208,14 +329,14 @@ bool FbWindow::property(Atom property,
unsigned long *nitems_return,
unsigned long *bytes_after_return,
unsigned char **prop_return) const {
if (XGetWindowProperty(s_display, window(),
property, long_offset, long_length, do_delete,
req_type, actual_type_return,
actual_format_return, nitems_return,
bytes_after_return, prop_return) == Success)
return true;
if (XGetWindowProperty(s_display, window(),
property, long_offset, long_length, do_delete,
req_type, actual_type_return,
actual_format_return, nitems_return,
bytes_after_return, prop_return) == Success)
return true;
return false;
return false;
}
void FbWindow::changeProperty(Atom property, Atom type,
@ -254,8 +375,6 @@ void FbWindow::create(Window parent, int x, int y,
if (s_display == 0)
s_display = FbTk::App::instance()->display();
assert(s_display);
m_border_width = 0;
long valmask = CWEventMask;