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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
#include "gfx.h"
// Used by the NULL window manager
#define MIN_WIN_WIDTH 3
#define MIN_WIN_HEIGHT 3
/*-----------------------------------------------
* The default window manager (GNullWindowManager)
*-----------------------------------------------*/
#if GFX_USE_GWIN && GWIN_NEED_WINDOWMANAGER
#include "src/gwin/class_gwin.h"
/*-----------------------------------------------
* Data
*-----------------------------------------------*/
static void WM_Init(void);
static void WM_DeInit(void);
static bool_t WM_Add(GHandle gh, const GWindowInit *pInit);
static void WM_Delete(GHandle gh);
static void WM_Redraw(GHandle gh, int flags);
static void WM_Redim(GHandle gh, coord_t x, coord_t y, coord_t w, coord_t h);
static void WM_Raise(GHandle gh);
static void WM_MinMax(GHandle gh, GWindowMinMax minmax);
static const gwmVMT GNullWindowManagerVMT = {
WM_Init,
WM_DeInit,
WM_Add,
WM_Delete,
WM_Redraw,
WM_Redim,
WM_Raise,
WM_MinMax,
};
static const GWindowManager GNullWindowManager = {
&GNullWindowManagerVMT,
};
gfxQueueASync _GWINList;
GWindowManager * _GWINwm;
#if GFX_USE_GTIMER
static GTimer RedrawTimer;
static GDisplay * RedrawDisplay;
static bool_t RedrawPreserve;
static void _gwinRedrawDisplay(void * param);
#endif
/*-----------------------------------------------
* Window Routines
*-----------------------------------------------*/
void _gwmInit(void)
{
gfxQueueASyncInit(&_GWINList);
_GWINwm = (GWindowManager *)&GNullWindowManager;
_GWINwm->vmt->Init();
#if GFX_USE_GTIMER
gtimerInit(&RedrawTimer);
gtimerStart(&RedrawTimer, _gwinRedrawDisplay, 0, TRUE, TIME_INFINITE);
#endif
}
void _gwmDeinit(void)
{
/* ToDo */
}
void gwinSetWindowManager(struct GWindowManager *gwm) {
if (!gwm)
gwm = (GWindowManager *)&GNullWindowManager;
if (_GWINwm != gwm) {
_GWINwm->vmt->DeInit();
_GWINwm = gwm;
_GWINwm->vmt->Init();
}
}
void gwinSetMinMax(GHandle gh, GWindowMinMax minmax) {
_GWINwm->vmt->MinMax(gh, minmax);
}
void gwinRaise(GHandle gh) {
_GWINwm->vmt->Raise(gh);
}
GWindowMinMax gwinGetMinMax(GHandle gh) {
if (gh->flags & GWIN_FLG_MINIMIZED)
return GWIN_MINIMIZE;
if (gh->flags & GWIN_FLG_MAXIMIZED)
return GWIN_MAXIMIZE;
return GWIN_NORMAL;
}
void gwinRedrawDisplay(GDisplay *g, bool_t preserve) {
#if GFX_USE_GTIMER
RedrawDisplay = g;
RedrawPreserve = preserve;
gtimerJab(&RedrawTimer);
}
static void _gwinRedrawDisplay(void * param) {
GDisplay *g = RedrawDisplay;
bool_t preserve = RedrawPreserve;
(void) param;
#endif
const gfxQueueASyncItem * qi;
GHandle gh;
for(qi = gfxQueueASyncPeek(&_GWINList); qi; qi = gfxQueueASyncNext(qi)) {
gh = QItem2GWindow(qi);
if (!g || gh->display == g)
_GWINwm->vmt->Redraw(gh,
preserve ? (GWIN_WMFLG_PRESERVE|GWIN_WMFLG_NOBGCLEAR|GWIN_WMFLG_NOZORDER)
: (GWIN_WMFLG_NOBGCLEAR|GWIN_WMFLG_NOZORDER));
}
}
/*-----------------------------------------------
* Window Manager Routines
*-----------------------------------------------*/
static void WM_Init(void) {
// We don't need to do anything here.
// A full window manager would move the windows around, add borders etc
// clear the screen
// cycle through the windows already defined displaying them
// or cut all the window areas out of the screen and clear the remainder
}
static void WM_DeInit(void) {
// We don't need to do anything here.
// A full window manager would remove any borders etc
}
static bool_t WM_Add(GHandle gh, const GWindowInit *pInit) {
// Note the window will not be marked as visible yet
// Put it on the queue
gfxQueueASyncPut(&_GWINList, &gh->wmq);
// Make sure the size is valid
WM_Redim(gh, pInit->x, pInit->y, pInit->width, pInit->height);
return TRUE;
}
static void WM_Delete(GHandle gh) {
// Remove it from the queue
gfxQueueASyncRemove(&_GWINList, &gh->wmq);
}
static void WM_Redraw(GHandle gh, int flags) {
if ((gh->flags & GWIN_FLG_VISIBLE)) {
if (gh->vmt->Redraw) {
#if GDISP_NEED_CLIP
gdispGSetClip(gh->display, gh->x, gh->y, gh->width, gh->height);
#endif
gh->vmt->Redraw(gh);
} else if (!(flags & GWIN_WMFLG_PRESERVE)) {
#if GDISP_NEED_CLIP
gdispGSetClip(gh->display, gh->x, gh->y, gh->width, gh->height);
#endif
gdispGFillArea(gh->display, gh->x, gh->y, gh->width, gh->height, gh->bgcolor);
if (gh->vmt->AfterClear)
gh->vmt->AfterClear(gh);
}
// A real window manager would also redraw the borders here
// A real window manager would then redraw any higher z-order windows
// if (!(flags & GWIN_WMFLG_NOZORDER))
// ...
} else if (!(flags & GWIN_WMFLG_NOBGCLEAR)) {
#if GDISP_NEED_CLIP
gdispGSetClip(gh->display, gh->x, gh->y, gh->width, gh->height);
#endif
gdispGFillArea(gh->display, gh->x, gh->y, gh->width, gh->height, gwinGetDefaultBgColor());
}
}
static void WM_Redim(GHandle gh, coord_t x, coord_t y, coord_t w, coord_t h) {
// This is the simplest way of doing it - just clip the the screen
// If it won't fit on the screen move it around until it does.
if (x < 0) { w += x; x = 0; }
if (y < 0) { h += y; y = 0; }
if (x > gdispGGetWidth(gh->display)-MIN_WIN_WIDTH) x = gdispGGetWidth(gh->display)-MIN_WIN_WIDTH;
if (y > gdispGGetHeight(gh->display)-MIN_WIN_HEIGHT) y = gdispGGetHeight(gh->display)-MIN_WIN_HEIGHT;
if (w < MIN_WIN_WIDTH) { w = MIN_WIN_WIDTH; }
if (h < MIN_WIN_HEIGHT) { h = MIN_WIN_HEIGHT; }
if (x+w > gdispGGetWidth(gh->display)) w = gdispGGetWidth(gh->display) - x;
if (y+h > gdispGGetHeight(gh->display)) h = gdispGGetHeight(gh->display) - y;
// If there has been no resize just exit
if (gh->x == x && gh->y == y && gh->width == w && gh->height == h)
return;
// Clear the old area
if ((gh->flags & GWIN_FLG_VISIBLE)) {
#if GDISP_NEED_CLIP
gdispGSetClip(gh->display, gh->x, gh->y, gh->width, gh->height);
#endif
gdispGFillArea(gh->display, gh->x, gh->y, gh->width, gh->height, gwinGetDefaultBgColor());
}
// Set the new size
gh->x = x; gh->y = y;
gh->width = w; gh->height = h;
// Redraw the window (if possible)
WM_Redraw(gh, GWIN_WMFLG_PRESERVE|GWIN_WMFLG_NOBGCLEAR);
}
static void WM_MinMax(GHandle gh, GWindowMinMax minmax) {
(void)gh; (void) minmax;
// We don't support minimising, maximising or restoring
}
static void WM_Raise(GHandle gh) {
// Take it off the list and then put it back on top
// The order of the list then reflects the z-order.
gfxQueueASyncRemove(&_GWINList, &gh->wmq);
gfxQueueASyncPut(&_GWINList, &gh->wmq);
// Redraw the window
WM_Redraw(gh, GWIN_WMFLG_PRESERVE|GWIN_WMFLG_NOBGCLEAR);
}
#endif /* GFX_USE_GWIN && GWIN_NEED_WINDOWMANAGER */
/** @} */
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