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https://github.com/gryf/wmaker.git
synced 2026-02-19 07:55:48 +01:00
drag and drop!
selection code rewrite! textfield with new selection code! etc etc
This commit is contained in:
kojima
@@ -46,18 +46,42 @@ static void willResizeColorWell();
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W_ViewDelegate _ColorWellViewDelegate = {
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NULL,
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NULL,
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NULL,
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NULL,
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willResizeColorWell
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NULL,
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NULL,
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NULL,
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willResizeColorWell
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};
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#if 0
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static WMDragSourceProcs dragProcs = {
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static unsigned draggingSourceOperation(WMView *self, Bool local);
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static WMData* fetchDragData(WMView *self, char *type);
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static WMDragSourceProcs _DragSourceProcs = {
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draggingSourceOperation,
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NULL,
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NULL,
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fetchDragData
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};
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#endif
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static unsigned draggingEntered(WMView *self, WMDraggingInfo *info);
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static unsigned draggingUpdated(WMView *self, WMDraggingInfo *info);
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static void draggingExited(WMView *self, WMDraggingInfo *info);
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static char *prepareForDragOperation(WMView *self, WMDraggingInfo *info);
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static Bool performDragOperation(WMView *self, WMDraggingInfo *info,
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WMData *data);
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static void concludeDragOperation(WMView *self, WMDraggingInfo *info);
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static WMDragDestinationProcs _DragDestinationProcs = {
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draggingEntered,
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draggingUpdated,
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draggingExited,
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prepareForDragOperation,
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performDragOperation,
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concludeDragOperation
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};
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#define DEFAULT_WIDTH 60
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#define DEFAULT_HEIGHT 30
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@@ -168,7 +192,16 @@ WMCreateColorWell(WMWidget *parent)
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WMAddNotificationObserver(colorChangedObserver, cPtr,
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WMColorPanelColorChangedNotification, NULL);
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WMSetViewDragSourceProcs(cPtr->view, &_DragSourceProcs);
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WMSetViewDragDestinationProcs(cPtr->view, &_DragDestinationProcs);
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{
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char *types[2] = {"application/X-color", NULL};
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WMRegisterViewForDraggedTypes(cPtr->view, types);
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}
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return cPtr;
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}
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@@ -276,6 +309,27 @@ handleEvents(XEvent *event, void *data)
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}
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static unsigned
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draggingSourceOperation(WMView *self, Bool local)
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{
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return WDOperationCopy;
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}
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static WMData*
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fetchDragData(WMView *self, char *type)
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{
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char *color = WMGetColorRGBDescription(((WMColorWell*)self->self)->color);
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WMData *data;
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data = WMCreateDataWithBytes(color, strlen(color)+1);
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free(color);
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return data;
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}
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static WMPixmap*
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makeDragPixmap(WMColorWell *cPtr)
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{
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@@ -292,221 +346,6 @@ makeDragPixmap(WMColorWell *cPtr)
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}
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static void
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slideView(WMView *view, int srcX, int srcY, int dstX, int dstY)
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{
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double x, y, dx, dy;
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int i;
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srcX -= 8;
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srcY -= 8;
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dstX -= 8;
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dstY -= 8;
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x = srcX;
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y = srcY;
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dx = (double)(dstX-srcX)/20.0;
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dy = (double)(dstY-srcY)/20.0;
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for (i = 0; i < 20; i++) {
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W_MoveView(view, x, y);
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XFlush(view->screen->display);
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x += dx;
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y += dy;
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}
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}
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static Window
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findChildInWindow(Display *dpy, Window toplevel, int x, int y)
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{
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Window foo, bar;
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Window *children;
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unsigned nchildren;
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int i;
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if (!XQueryTree(dpy, toplevel, &foo, &bar,
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&children, &nchildren) || children == NULL) {
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return None;
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}
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/* first window that contains the point is the one */
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for (i = nchildren-1; i >= 0; i--) {
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XWindowAttributes attr;
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if (XGetWindowAttributes(dpy, children[i], &attr)
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&& attr.map_state == IsViewable
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&& x >= attr.x && y >= attr.y
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&& x < attr.x + attr.width && y < attr.y + attr.height) {
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Window child;
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child = findChildInWindow(dpy, children[i],
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x - attr.x, y - attr.y);
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XFree(children);
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if (!child)
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return toplevel;
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else
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return child;
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}
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}
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XFree(children);
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return None;
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}
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static Window
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findWindowUnderDragPointer(WMScreen *scr, int x, int y, Window iconWindow)
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{
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Window foo, bar;
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Window *children;
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unsigned nchildren;
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int i;
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if (!XQueryTree(scr->display, scr->rootWin, &foo, &bar,
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&children, &nchildren) || children == NULL) {
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return None;
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}
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/* try to find the window below the iconWindow by traversing
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* the whole window list */
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/* first find the position of the iconWindow */
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for (i = nchildren-1; i >= 0; i--) {
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if (children[i] == iconWindow) {
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i--;
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break;
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}
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}
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if (i <= 0) {
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XFree(children);
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return scr->rootWin;
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}
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/* first window that contains the point is the one */
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for (; i >= 0; i--) {
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XWindowAttributes attr;
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Window child;
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if (XGetWindowAttributes(scr->display, children[i], &attr)
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&& attr.map_state == IsViewable
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&& x >= attr.x && y >= attr.y
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&& x < attr.x + attr.width && y < attr.y + attr.height
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&& (child = findChildInWindow(scr->display, children[i],
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x - attr.x, y - attr.y))) {
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XFree(children);
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return child;
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}
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}
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XFree(children);
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return None;
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}
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static void
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dragColor(ColorWell *cPtr, XEvent *event, WMPixmap *image)
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{
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WMView *dragView;
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WMScreen *scr = cPtr->view->screen;
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Display *dpy = scr->display;
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XColor black = {0, 0,0,0, DoRed|DoGreen|DoBlue};
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XColor green = {0x0045b045, 0x4500,0xb000,0x4500, DoRed|DoGreen|DoBlue};
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XColor back = {0, 0xffff,0xffff,0xffff, DoRed|DoGreen|DoBlue};
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Bool done = False;
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WMColorWell *activeWell = NULL;
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dragView = W_CreateTopView(scr);
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W_ResizeView(dragView, 16, 16);
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dragView->attribFlags |= CWOverrideRedirect | CWSaveUnder;
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dragView->attribs.event_mask = StructureNotifyMask;
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dragView->attribs.override_redirect = True;
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dragView->attribs.save_under = True;
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W_MoveView(dragView, event->xmotion.x_root-8, event->xmotion.y_root-8);
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W_RealizeView(dragView);
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W_MapView(dragView);
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XSetWindowBackgroundPixmap(dpy, dragView->window, WMGetPixmapXID(image));
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XClearWindow(dpy, dragView->window);
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XGrabPointer(dpy, scr->rootWin, True,
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ButtonMotionMask|ButtonReleaseMask,
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GrabModeSync, GrabModeAsync,
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scr->rootWin, scr->defaultCursor, CurrentTime);
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while (!done) {
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XEvent ev;
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WMView *view;
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Window win;
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XAllowEvents(dpy, SyncPointer, CurrentTime);
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WMNextEvent(dpy, &ev);
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switch (ev.type) {
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case ButtonRelease:
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if (activeWell != NULL) {
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WMSetColorWellColor(activeWell, cPtr->color);
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WMPostNotificationName(WMColorWellDidChangeNotification,
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activeWell, NULL);
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} else {
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slideView(dragView, ev.xbutton.x_root, ev.xbutton.y_root,
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event->xmotion.x_root, event->xmotion.y_root);
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}
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done = True;
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break;
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case MotionNotify:
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while (XCheckTypedEvent(dpy, MotionNotify, &ev)) ;
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W_MoveView(dragView, ev.xmotion.x_root-8, ev.xmotion.y_root-8);
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win = findWindowUnderDragPointer(scr, ev.xmotion.x_root,
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ev.xmotion.y_root,
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dragView->window);
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if (win != None && win != scr->rootWin) {
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view = W_GetViewForXWindow(dpy, win);
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} else {
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view = NULL;
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}
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if (view && view->self && W_CLASS(view->self) == WC_ColorWell
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&& view->self != activeWell && view->self != cPtr) {
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activeWell = view->self;
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XRecolorCursor(dpy, scr->defaultCursor, &green, &back);
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} else if (!view || view->self != activeWell) {
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XRecolorCursor(dpy, scr->defaultCursor, &black, &back);
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activeWell = NULL;
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}
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break;
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default:
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WMHandleEvent(&ev);
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break;
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}
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}
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XUngrabPointer(dpy, CurrentTime);
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XRecolorCursor(dpy, scr->defaultCursor, &black, &back);
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W_DestroyView(dragView);
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}
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static void
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handleDragEvents(XEvent *event, void *data)
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{
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@@ -526,17 +365,17 @@ handleDragEvents(XEvent *event, void *data)
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|| abs(cPtr->ipoint.y - event->xmotion.y) > 4) {
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WMSize offs;
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WMPixmap *pixmap;
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char *types[2] = {"application/X-color", NULL};
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offs.width = 2;
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offs.height = 2;
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pixmap = makeDragPixmap(cPtr);
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/*
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WMDragImageFromView(cPtr->view, pixmap, cPtr->view->pos,
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offs, event, True);
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* */
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dragColor(cPtr, event, pixmap);
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WMDragImageFromView(cPtr->view, pixmap, types,
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wmkpoint(event->xmotion.x_root,
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event->xmotion.y_root),
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offs, event, True);
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WMReleasePixmap(pixmap);
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}
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@@ -585,3 +424,53 @@ destroyColorWell(ColorWell *cPtr)
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wfree(cPtr);
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}
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static unsigned
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draggingEntered(WMView *self, WMDraggingInfo *info)
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{
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return WDOperationCopy;
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}
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static unsigned
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draggingUpdated(WMView *self, WMDraggingInfo *info)
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{
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return WDOperationCopy;
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}
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static void
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draggingExited(WMView *self, WMDraggingInfo *info)
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{
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}
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static char*
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prepareForDragOperation(WMView *self, WMDraggingInfo *info)
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{
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return "application/X-color";
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}
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static Bool
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performDragOperation(WMView *self, WMDraggingInfo *info, WMData *data)
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{
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char *colorName = WMDataBytes(data);
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WMColor *color;
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color = WMCreateNamedColor(W_VIEW_SCREEN(self), colorName, True);
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WMSetColorWellColor(self->self, color);
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WMReleaseColor(color);
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return True;
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}
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static void
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concludeDragOperation(WMView *self, WMDraggingInfo *info)
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{
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}
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