/*
** This routine is called when an image changes. If the size of the
** images changes, then we need to completely redo the layout. If
** only the appearance changes, then this works like an expose event.
*/
static void ImageChangeProc(
ClientData clientData, /* Pointer to an HtmlImage structure */
int x, /* Left edge of region that changed */
int y, /* Top edge of region that changed */
int w, /* Width of region that changes. Maybe 0 */
int h, /* Height of region that changed. Maybe 0 */
int newWidth, /* New width of the image */
int newHeight /* New height of the image */
){
HtmlImage *pImage;
HtmlWidget *htmlPtr;
HtmlElement *pElem;
pImage = (HtmlImage*)clientData;
htmlPtr = pImage->htmlPtr;
if( pImage->w!=newWidth || pImage->h!=newHeight ){
/* We have to completely redo the layout after adjusting the size
** of the images */
for(pElem = pImage->pList; pElem; pElem = pElem->image.pNext){
pElem->image.w = newWidth;
pElem->image.h = newHeight;
TestPoint(0);
}
htmlPtr->flags |= RELAYOUT;
pImage->w = newWidth;
pImage->h = newHeight;
HtmlRedrawEverything(htmlPtr);
}else{
for(pElem = pImage->pList; pElem; pElem = pElem->image.pNext){
pElem->image.redrawNeeded = 1;
}
htmlPtr->flags |= REDRAW_IMAGES;
HtmlScheduleRedraw(htmlPtr);
}
}
/*
** This routine is called when another entity takes over geometry
** management for a widget corresponding to an input element.
*/
static void HtmlInputLostSlaveProc(ClientData clientData, Tk_Window tkwin){
HtmlElement *pElem = (HtmlElement*)clientData;
if( pElem->base.type!=Html_INPUT ){ CANT_HAPPEN; return; }
if( pElem->input.tkwin!=tkwin ){ CANT_HAPPEN; return; }
EmptyInput(pElem);
if( pElem->input.htmlPtr && pElem->input.htmlPtr->tkwin!=0 ){
pElem->input.htmlPtr->flags |= RELAYOUT;
HtmlScheduleRedraw(pElem->input.htmlPtr);
}
}
/*
** This routine catches DestroyNotify events on a INPUT window so
** that we will know the window is been deleted.
*/
static void HtmlInputEventProc(ClientData clientData, XEvent *eventPtr){
HtmlElement *pElem = (HtmlElement*)clientData;
/* if( pElem->base.type!=Html_INPUT ){ CANT_HAPPEN; return; } */
if( eventPtr->type==DestroyNotify ){
EmptyInput(pElem);
if( pElem->input.htmlPtr && pElem->input.htmlPtr->tkwin!=0 ){
pElem->input.htmlPtr->flags |= RELAYOUT;
HtmlScheduleRedraw(pElem->input.htmlPtr);
}
}
}
/*
** This routine is called when one of the child windows for a form
** wants to change its size.
*/
static void HtmlInputRequestProc(ClientData clientData, Tk_Window tkwin){
HtmlElement *pElem = (HtmlElement*)clientData;
if( pElem->base.type!=Html_INPUT ){ CANT_HAPPEN; return; }
if( pElem->input.tkwin!=tkwin ){ CANT_HAPPEN; return; }
pElem->input.w = Tk_ReqWidth(tkwin);
pElem->input.h = Tk_ReqHeight(tkwin);
if( pElem->input.htmlPtr && pElem->input.htmlPtr->tkwin!=0 ){
pElem->input.htmlPtr->flags |= RELAYOUT;
HtmlScheduleRedraw(pElem->input.htmlPtr);
}
}
