/* Create a new shaped pixmap using specified method */
DAShapedPixmap*
_daMakeShapedPixmap(daShapeSource source, char **data)
{
Bool success;
DAShapedPixmap *dasp = malloc(sizeof(DAShapedPixmap));
if (dasp == NULL)
return NULL;
memset(dasp, 0, sizeof(DAShapedPixmap));
if (source == daShapeSourceData)
success = DAMakePixmapFromData(data, &dasp->pixmap, &dasp->shape,
&dasp->geometry.width, &dasp->geometry.height);
else
success = DAMakePixmapFromFile((char*)data, &dasp->pixmap, &dasp->shape,
&dasp->geometry.width, &dasp->geometry.height);
if (!success)
return NULL;
setGCs(dasp);
return dasp;
}
/* Create a new shaped pixmap with width & height of dockapp window */
DAShapedPixmap*
DAMakeShapedPixmap()
{
DAShapedPixmap *dasp = malloc(sizeof(DAShapedPixmap));
if (dasp == NULL)
return NULL;
memset(dasp, 0, sizeof(DAShapedPixmap));
dasp->pixmap = DAMakePixmap();
dasp->shape = DAMakeShape();
dasp->geometry.width = _daContext->width;
dasp->geometry.height = _daContext->height;
setGCs(dasp);
DASPClear(dasp);
return dasp;
}
int
main(int argc, char **argv)
{
/* define the event handlers for the events */
DACallbacks eventCallbacks = {
destroy, /* destroy */
buttonPress, /* buttonPress */
buttonRelease, /* buttonRelease */
mouseMove, /* motion (mouse) */
mouseEnter, /* mouse enters window */
mouseLeave, /* mouse leaves window */
NULL /* timeout */
};
/* define regions (x, y, width, height) that need event-handling */
Region clipRegion = XCreateRegion();
DARect btn = {0, 0, 16, 16},
square = {0, 25, 22, 22},
slider = {24, 0, 23, 48};
/* define what to do if an event occurs in a rectangle */
DAActionRect *buttonPressRects, *buttonReleaseRects,
*mouseMoveRects, *mouseEnterRects, *mouseLeaveRects;
buttonPressRects = malloc(3 * sizeof(DAActionRect));
buttonPressRects[0] = setRectAction(btn, btnDown);
buttonPressRects[1] = setRectAction(square, squareDown);
buttonPressRects[2] = setRectAction(slider, sliderDown);
buttonReleaseRects = malloc(2 * sizeof(DAActionRect));
buttonReleaseRects[0] = setRectAction(btn, btnUp);
buttonReleaseRects[1] = setRectAction(slider, sliderUp);
mouseMoveRects = malloc(sizeof(DAActionRect));
mouseMoveRects[0] = setRectAction(slider, sliderMove);
mouseEnterRects = malloc(sizeof(DAActionRect));
mouseEnterRects[0] = setRectAction(slider, sliderEnter);
mouseLeaveRects = malloc(2 * sizeof(DAActionRect));
mouseLeaveRects[0] = setRectAction(btn, btnLeave);
mouseLeaveRects[1] = setRectAction(slider, sliderLeave);
/* XXX: make action rectangles available outside main()
* ...libDockapp should be able to do this... (reminder)
*/
actionRects = malloc(6 * sizeof(DAActionRect *));
actionRects[0] = buttonPressRects;
actionRects[1] = buttonReleaseRects;
actionRects[2] = mouseMoveRects;
actionRects[3] = mouseEnterRects;
actionRects[4] = mouseLeaveRects;
actionRects[5] = NULL;
/* provide standard command-line options */
DAParseArguments(
argc, argv, /* Where the options come from */
NULL, 0, /* Our list with options - none as you can see */
"This is the help text for the rectangle example of how to "
"use libDockapp.\n",
"Rectangle example version 1.0");
/* Tell libdockapp what version we expect it to be, so that you can use
* older programs with newer versions of libdockapp with less risc for
* compatibility problems.
*/
DASetExpectedVersion(20030126);
/* Initialize a dockapp */
DAInitialize(
"", /* Use default display */
"daRectangleExample", /* WM_CLASS hint; don't use chars in [.?*: ] */
48, 48, /* geometry of dockapp internals */
argc, argv /* (needed internally) */
);
/* Create a pixmap to draw on, and to display */
pixmap = DAMakePixmap(); /* size == dockapp geometry (48,48) */
colors = setGCs(pixmap);
XFillRectangle(DADisplay, pixmap, DAClearGC, 0, 0, 48, 48);
XClearWindow(DADisplay, DAWindow);
/* Make a "Region" from the shapes we have */
XUnionRectWithRegion(&btn, clipRegion, clipRegion);
XUnionRectWithRegion(&square, clipRegion, clipRegion);
XUnionRectWithRegion(&slider, clipRegion, clipRegion);
/* Make this region a window shape mask */
XShapeCombineRegion(DADisplay, DAWindow, ShapeBounding,
0, 0, clipRegion, ShapeSet);
/* We don't need the region anymore (it is copied by XShapeCombineRegion).
* XXX: That's not certain, it is not documented. XSetRegion does so,
* though, so it is a likely assumption that it does copy.
*/
XDestroyRegion(clipRegion);
/* The cursor we want to use.
* Specify 'None' for the default,
* or one from X11/cursorfont.h
*/
pointer = XCreateFontCursor(DADisplay, XC_based_arrow_up);
XDefineCursor(DADisplay, DAWindow, pointer);
/* a square with an image that changes when clicked (A button). */
createBtn(btn);
/* a square that shows the number of the mouse-button pressed on click. */
createSquare(square);
/* a slider a using two dashed line GC's. */
createSlider(slider);
/* Tell libdockapp this is the pixmap that we want to show */
DASetPixmap(pixmap);
/* Process events every 100ms */
DASetTimeout(100);
/* set event callbacks */
DASetCallbacks(&eventCallbacks);
/* Display the pixmap we said it to show */
DAShow();
/* Process events and keep the dockapp running */
DAEventLoop();
return 0;
}