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diff --git a/src/drivers/Android/Fl_Android_Window_Driver.cxx b/src/drivers/Android/Fl_Android_Window_Driver.cxx
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+++ b/src/drivers/Android/Fl_Android_Window_Driver.cxx
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+//
+// "$Id: Fl_Android_Window_Driver.cxx 12641 2018-01-31 21:17:17Z AlbrechtS $"
+//
+// Definition of Apple Cocoa window driver.
+//
+// Copyright 1998-2018 by Bill Spitzak and others.
+//
+// This library is free software. Distribution and use rights are outlined in
+// the file "COPYING" which should have been included with this file. If this
+// file is missing or damaged, see the license at:
+//
+// http://www.fltk.org/COPYING.php
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+
+
+#include "../../config_lib.h"
+#include <FL/fl_draw.H>
+#include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+#include <FL/Fl_Image.H>
+#include <FL/Fl_Bitmap.H>
+#include <FL/Fl_Window.H>
+#include <FL/Fl_Overlay_Window.H>
+#include <FL/platform.H>
+#include "Fl_Android_Window_Driver.H"
+#include "Fl_Android_Screen_Driver.H"
+#include "Fl_Android_Graphics_Driver.H"
+
+
+#if 0
+
+#include <windows.h>
+#include <math.h> // for ceil()
+
+#if USE_COLORMAP
+extern HPALETTE fl_select_palette(void); // in fl_color_win32.cxx
+#endif
+
+#endif
+
+
+Fl_Window *Fl_Android_Window_Driver::sCurrent = 0L;
+
+
+Fl_Window_Driver *Fl_Window_Driver::newWindowDriver(Fl_Window *w)
+{
+ return new Fl_Android_Window_Driver(w);
+}
+
+void Fl_Window_Driver::default_icons(Fl_RGB_Image const**, int) {
+}
+
+Window fl_window = 0;
+
+
+void Fl_Android_Window_Driver::show()
+{
+ if (!shown()) {
+ // make window
+ fl_open_display();
+ pWindow->set_visible();
+ Fl_X *x = new Fl_X;
+ x->w = pWindow;
+ i(x);
+ x->next = Fl_X::first;
+ Fl_X::first = x;
+ } else {
+ // bring window to front
+ }
+}
+
+#if 0
+
+Fl_WinAPI_Window_Driver::Fl_WinAPI_Window_Driver(Fl_Window *win)
+: Fl_Window_Driver(win)
+{
+ icon_ = new icon_data;
+ memset(icon_, 0, sizeof(icon_data));
+ cursor = NULL;
+ screen_num_ = -1;
+}
+
+
+Fl_WinAPI_Window_Driver::~Fl_WinAPI_Window_Driver()
+{
+ if (shape_data_) {
+ delete shape_data_->todelete_;
+ delete shape_data_;
+ }
+ delete icon_;
+}
+
+int Fl_WinAPI_Window_Driver::screen_num() {
+ if (pWindow->parent()) {
+ screen_num_ = pWindow->top_window()->driver()->screen_num();
+ }
+ return screen_num_ >= 0 ? screen_num_ : 0;
+}
+
+//FILE*LOG=fopen("log.log","w");
+
+void Fl_WinAPI_Window_Driver::screen_num(int n) {
+//fprintf(LOG, "screen_num setter old=%d new=%d\n",screen_num_, n);fflush(LOG);
+ screen_num_ = n;
+}
+
+
+RECT // frame of the decorated window in screen coordinates
+ Fl_WinAPI_Window_Driver::border_width_title_bar_height(
+ int &bx, // left and right border width
+ int &by, // bottom border height (=bx)
+ int &bt // height of window title bar
+ )
+{
+ Fl_Window *win = pWindow;
+ RECT r = {0,0,0,0};
+ bx = by = bt = 0;
+ if (win->shown() && !win->parent() && win->border() && win->visible()) {
+ static HMODULE dwmapi_dll = LoadLibrary("dwmapi.dll");
+ typedef HRESULT (WINAPI* DwmGetWindowAttribute_type)(HWND hwnd, DWORD dwAttribute, PVOID pvAttribute, DWORD cbAttribute);
+ static DwmGetWindowAttribute_type DwmGetWindowAttribute = dwmapi_dll ?
+ (DwmGetWindowAttribute_type)GetProcAddress(dwmapi_dll, "DwmGetWindowAttribute") : NULL;
+ int need_r = 1;
+ if (DwmGetWindowAttribute) {
+ const DWORD DWMWA_EXTENDED_FRAME_BOUNDS = 9;
+ if ( DwmGetWindowAttribute(fl_xid(win), DWMWA_EXTENDED_FRAME_BOUNDS, &r, sizeof(RECT)) == S_OK ) {
+ need_r = 0;
+ }
+ }
+ if (need_r) {
+ GetWindowRect(fl_xid(win), &r);
+ }
+ int width, height;
+#ifdef FLTK_HIDPI_SUPPORT
+ RECT rc;
+ GetClientRect(fl_xid(win), &rc);
+ width = rc.right;
+ height = rc.bottom;
+#else
+ float scaling = ((Fl_WinAPI_Screen_Driver*)Fl::screen_driver())->DWM_scaling_factor();
+ width = int(win->w() * scaling);
+ height = int(win->h() * scaling);
+#endif
+ bx = (r.right - r.left - width)/2;
+ if (bx < 1) bx = 1;
+ by = bx;
+ bt = r.bottom - r.top - height - 2 * by;
+ }
+ return r;
+}
+
+
+// --- window data
+
+int Fl_WinAPI_Window_Driver::decorated_w()
+{
+ int bt, bx, by;
+ float s = Fl::screen_driver()->scale(screen_num());
+ border_width_title_bar_height(bx, by, bt);
+ int mini_bx = bx/s; if (mini_bx < 1) mini_bx = 1;
+ return w() + 2 * mini_bx;
+}
+
+int Fl_WinAPI_Window_Driver::decorated_h()
+{
+ int bt, bx, by;
+ border_width_title_bar_height(bx, by, bt);
+#ifdef FLTK_HIDPI_SUPPORT
+ float s = Fl::screen_driver()->scale(screen_num());
+ int mini_by = by/s; if (mini_by < 1) mini_by = 1;
+ return h() + (bt + by)/s + mini_by;
+#else
+ float scaling = ((Fl_WinAPI_Screen_Driver*)Fl::screen_driver())->DWM_scaling_factor();
+ return h() + bt/scaling + 2 * by +1;
+#endif
+}
+
+
+// --- window management
+
+
+
+void Fl_WinAPI_Window_Driver::shape_bitmap_(Fl_Image* b) {
+ shape_data_->shape_ = b;
+}
+
+void Fl_WinAPI_Window_Driver::shape_alpha_(Fl_Image* img, int offset) {
+ int i, j, d = img->d(), w = img->w(), h = img->h(), bytesperrow = (w+7)/8;
+ unsigned u;
+ uchar byte, onebit;
+ // build an Fl_Bitmap covering the non-fully transparent/black part of the image
+ const uchar* bits = new uchar[h*bytesperrow]; // to store the bitmap
+ const uchar* alpha = (const uchar*)*img->data() + offset; // points to alpha value of rgba pixels
+ for (i = 0; i < h; i++) {
+ uchar *p = (uchar*)bits + i * bytesperrow;
+ byte = 0;
+ onebit = 1;
+ for (j = 0; j < w; j++) {
+ if (d == 3) {
+ u = *alpha;
+ u += *(alpha+1);
+ u += *(alpha+2);
+ }
+ else u = *alpha;
+ if (u > 0) { // if the pixel is not fully transparent/black
+ byte |= onebit; // turn on the corresponding bit of the bitmap
+ }
+ onebit = onebit << 1; // move the single set bit one position to the left
+ if (onebit == 0 || j == w-1) {
+ onebit = 1;
+ *p++ = byte; // store in bitmap one pack of bits
+ byte = 0;
+ }
+ alpha += d; // point to alpha value of next pixel
+ }
+ }
+ Fl_Bitmap* bitmap = new Fl_Bitmap(bits, w, h);
+ bitmap->alloc_array = 1;
+ shape_bitmap_(bitmap);
+ shape_data_->todelete_ = bitmap;
+}
+
+void Fl_WinAPI_Window_Driver::shape(const Fl_Image* img) {
+ if (shape_data_) {
+ if (shape_data_->todelete_) { delete shape_data_->todelete_; }
+ }
+ else {
+ shape_data_ = new shape_data_type;
+ }
+ memset(shape_data_, 0, sizeof(shape_data_type));
+ pWindow->border(false);
+ int d = img->d();
+ if (d && img->count() >= 2) shape_pixmap_((Fl_Image*)img);
+ else if (d == 0) shape_bitmap_((Fl_Image*)img);
+ else if (d == 2 || d == 4) shape_alpha_((Fl_Image*)img, d - 1);
+ else if ((d == 1 || d == 3) && img->count() == 1) shape_alpha_((Fl_Image*)img, 0);
+}
+
+
+static inline BYTE bit(int x) { return (BYTE)(1 << (x%8)); }
+
+static HRGN bitmap2region(Fl_Image* image) {
+ HRGN hRgn = 0;
+ /* Does this need to be dynamically determined, perhaps? */
+ const int ALLOC_UNIT = 100;
+ DWORD maxRects = ALLOC_UNIT;
+
+ RGNDATA* pData = (RGNDATA*)malloc(sizeof(RGNDATAHEADER)+(sizeof(RECT)*maxRects));
+ pData->rdh.dwSize = sizeof(RGNDATAHEADER);
+ pData->rdh.iType = RDH_RECTANGLES;
+ pData->rdh.nCount = pData->rdh.nRgnSize = 0;
+ SetRect(&pData->rdh.rcBound, MAXLONG, MAXLONG, 0, 0);
+
+ const int bytesPerLine = (image->w() + 7)/8;
+ BYTE* p, *data = (BYTE*)*image->data();
+ for (int y = 0; y < image->h(); y++) {
+ // each row, left to right
+ for (int x = 0; x < image->w(); x++) {
+ int x0 = x;
+ while (x < image->w()) {
+ p = data + x / 8;
+ if (!((*p) & bit(x))) break; // transparent pixel
+ x++;
+ }
+ if (x > x0) {
+ RECT *pr;
+ /* Add the pixels (x0, y) to (x, y+1) as a new rectangle
+ * in the region
+ */
+ if (pData->rdh.nCount >= maxRects) {
+ maxRects += ALLOC_UNIT;
+ pData = (RGNDATA*)realloc(pData, sizeof(RGNDATAHEADER)
+ + (sizeof(RECT)*maxRects));
+ }
+ pr = (RECT*)&pData->Buffer;
+ SetRect(&pr[pData->rdh.nCount], x0, y, x, y+1);
+ if (x0 < pData->rdh.rcBound.left)
+ pData->rdh.rcBound.left = x0;
+ if (y < pData->rdh.rcBound.top)
+ pData->rdh.rcBound.top = y;
+ if (x > pData->rdh.rcBound.right)
+ pData->rdh.rcBound.right = x;
+ if (y+1 > pData->rdh.rcBound.bottom)
+ pData->rdh.rcBound.bottom = y+1;
+ pData->rdh.nCount++;
+ /* On Windows98, ExtCreateRegion() may fail if the
+ * number of rectangles is too large (ie: >
+ * 4000). Therefore, we have to create the region by
+ * multiple steps.
+ */
+ if (pData->rdh.nCount == 2000) {
+ HRGN h = ExtCreateRegion(NULL, sizeof(RGNDATAHEADER)
+ + (sizeof(RECT)*maxRects), pData);
+ if (hRgn) {
+ CombineRgn(hRgn, hRgn, h, RGN_OR);
+ DeleteObject(h);
+ } else
+ hRgn = h;
+ pData->rdh.nCount = 0;
+ SetRect(&pData->rdh.rcBound, MAXLONG, MAXLONG, 0, 0);
+ }
+ }
+ }
+ /* Go to next row */
+ data += bytesPerLine;
+ }
+ /* Create or extend the region with the remaining rectangles*/
+ HRGN h = ExtCreateRegion(NULL, sizeof(RGNDATAHEADER)
+ + (sizeof(RECT)*maxRects), pData);
+ if (hRgn) {
+ CombineRgn(hRgn, hRgn, h, RGN_OR);
+ DeleteObject(h);
+ } else hRgn = h;
+ free(pData); // I've created the region so I can free this now, right?
+ return hRgn;
+}
+
+
+void Fl_WinAPI_Window_Driver::draw_begin()
+{
+ if (shape_data_) {
+ float s = Fl::screen_driver()->scale(screen_num());
+ if ((shape_data_->lw_ != s*w() || shape_data_->lh_ != s*h()) && shape_data_->shape_) {
+ // size of window has changed since last time
+ shape_data_->lw_ = s*w();
+ shape_data_->lh_ = s*h();
+ Fl_Image* temp = shape_data_->shape_->copy(shape_data_->lw_, shape_data_->lh_);
+ HRGN region = bitmap2region(temp);
+ SetWindowRgn(fl_xid(pWindow), region, TRUE); // the system deletes the region when it's no longer needed
+ delete temp;
+ }
+ }
+}
+
+
+void Fl_WinAPI_Window_Driver::flush_double()
+{
+ if (!shown()) return;
+ pWindow->make_current(); // make sure fl_gc is non-zero
+ Fl_X *i = Fl_X::i(pWindow);
+ if (!i) return; // window not yet created
+
+ if (!other_xid) {
+ other_xid = fl_create_offscreen(w(), h());
+ pWindow->clear_damage(FL_DAMAGE_ALL);
+ }
+ if (pWindow->damage() & ~FL_DAMAGE_EXPOSE) {
+ fl_clip_region(i->region); i->region = 0;
+ fl_begin_offscreen(other_xid);
+ fl_graphics_driver->clip_region( 0 );
+ draw();
+ fl_end_offscreen();
+ }
+
+ int X,Y,W,H; fl_clip_box(0,0,w(),h(),X,Y,W,H);
+ if (other_xid) fl_copy_offscreen(X, Y, W, H, other_xid, X, Y);
+}
+
+
+void Fl_WinAPI_Window_Driver::flush_overlay()
+{
+ Fl_Overlay_Window *oWindow = pWindow->as_overlay_window();
+
+ if (!shown()) return;
+ pWindow->make_current(); // make sure fl_gc is non-zero
+ Fl_X *i = Fl_X::i(pWindow);
+ if (!i) return; // window not yet created
+
+ int eraseoverlay = (pWindow->damage()&FL_DAMAGE_OVERLAY);
+ pWindow->clear_damage((uchar)(pWindow->damage()&~FL_DAMAGE_OVERLAY));
+
+ if (!other_xid) {
+ other_xid = fl_create_offscreen(w(), h());
+ pWindow->clear_damage(FL_DAMAGE_ALL);
+ }
+ if (pWindow->damage() & ~FL_DAMAGE_EXPOSE) {
+ fl_clip_region(i->region); i->region = 0;
+ fl_begin_offscreen(other_xid);
+ fl_graphics_driver->clip_region(0);
+ draw();
+ fl_end_offscreen();
+ }
+
+ if (eraseoverlay) fl_clip_region(0);
+ int X, Y, W, H; fl_clip_box(0, 0, w(), h(), X, Y, W, H);
+ if (other_xid) fl_copy_offscreen(X, Y, W, H, other_xid, X, Y);
+
+ if (overlay() == oWindow) oWindow->draw_overlay();
+}
+
+
+void Fl_WinAPI_Window_Driver::icons(const Fl_RGB_Image *icons[], int count) {
+ free_icons();
+
+ if (count > 0) {
+ icon_->icons = new Fl_RGB_Image*[count];
+ icon_->count = count;
+ // FIXME: Fl_RGB_Image lacks const modifiers on methods
+ for (int i = 0;i < count;i++)
+ icon_->icons[i] = (Fl_RGB_Image*)((Fl_RGB_Image*)icons[i])->copy();
+ }
+
+ if (Fl_X::i(pWindow))
+ set_icons();
+}
+
+const void *Fl_WinAPI_Window_Driver::icon() const {
+ return icon_->legacy_icon;
+}
+
+void Fl_WinAPI_Window_Driver::icon(const void * ic) {
+ free_icons();
+ icon_->legacy_icon = ic;
+}
+
+void Fl_WinAPI_Window_Driver::free_icons() {
+ int i;
+ icon_->legacy_icon = 0L;
+ if (icon_->icons) {
+ for (i = 0;i < icon_->count;i++)
+ delete icon_->icons[i];
+ delete [] icon_->icons;
+ icon_->icons = 0L;
+ }
+ icon_->count = 0;
+ if (icon_->big_icon)
+ DestroyIcon(icon_->big_icon);
+ if (icon_->small_icon)
+ DestroyIcon(icon_->small_icon);
+ icon_->big_icon = NULL;
+ icon_->small_icon = NULL;
+}
+
+
+void Fl_WinAPI_Window_Driver::make_current() {
+ fl_GetDC(fl_xid(pWindow));
+
+#if USE_COLORMAP
+ // Windows maintains a hardware and software color palette; the
+ // SelectPalette() call updates the current soft->hard mapping
+ // for all drawing calls, so we must select it here before any
+ // code does any drawing...
+ fl_select_palette();
+#endif // USE_COLORMAP
+
+ fl_graphics_driver->clip_region(0);
+ ((Fl_GDI_Graphics_Driver*)fl_graphics_driver)->scale(Fl::screen_driver()->scale(screen_num()));
+}
+
+void Fl_WinAPI_Window_Driver::label(const char *name,const char *iname) {
+ if (shown() && !parent()) {
+ if (!name) name = "";
+ size_t l = strlen(name);
+ // WCHAR *lab = (WCHAR*) malloc((l + 1) * sizeof(short));
+ // l = fl_utf2unicode((unsigned char*)name, l, (wchar_t*)lab);
+ unsigned wlen = fl_utf8toUtf16(name, (unsigned) l, NULL, 0); // Pass NULL to query length
+ wlen++;
+ unsigned short * lab = (unsigned short*)malloc(sizeof(unsigned short)*wlen);
+ wlen = fl_utf8toUtf16(name, (unsigned) l, lab, wlen);
+ lab[wlen] = 0;
+ SetWindowTextW(fl_xid(pWindow), (WCHAR *)lab);
+ free(lab);
+ }
+}
+
+
+extern void fl_clipboard_notify_retarget(HWND wnd);
+extern void fl_update_clipboard(void);
+
+void Fl_WinAPI_Window_Driver::hide() {
+ Fl_X* ip = Fl_X::i(pWindow);
+ // STR#3079: if there remains a window and a non-modal window, and the window is deleted,
+ // the app remains running without any apparent window.
+ // Bug mechanism: hiding an owner window unmaps the owned (non-modal) window(s)
+ // but does not delete it(them) in FLTK.
+ // Fix for it:
+ // when hiding a window, build list of windows it owns, and do hide/show on them.
+ int count = 0;
+ Fl_Window *win, **doit = NULL;
+ for (win = Fl::first_window(); win && ip; win = Fl::next_window(win)) {
+ if (win->non_modal() && GetWindow(fl_xid(win), GW_OWNER) == ip->xid) {
+ count++;
+ }
+ }
+ if (count) {
+ doit = new Fl_Window*[count];
+ count = 0;
+ for (win = Fl::first_window(); win && ip; win = Fl::next_window(win)) {
+ if (win->non_modal() && GetWindow(fl_xid(win), GW_OWNER) == ip->xid) {
+ doit[count++] = win;
+ }
+ }
+ }
+
+ if (hide_common()) return;
+
+ // make sure any custom icons get freed
+// icons(NULL, 0); // free_icons() is called by the Fl_Window destructor
+ // this little trick keeps the current clipboard alive, even if we are about
+ // to destroy the window that owns the selection.
+ if (GetClipboardOwner()==ip->xid)
+ fl_update_clipboard();
+ // Make sure we unlink this window from the clipboard chain
+ fl_clipboard_notify_retarget(ip->xid);
+ // Send a message to myself so that I'll get out of the event loop...
+ PostMessage(ip->xid, WM_APP, 0, 0);
+ if (private_dc) fl_release_dc(ip->xid, private_dc);
+ if (ip->xid == fl_window && fl_graphics_driver->gc()) {
+ fl_release_dc(fl_window, (HDC)fl_graphics_driver->gc());
+ fl_window = (HWND)-1;
+ fl_graphics_driver->gc(0);
+# ifdef FLTK_USE_CAIRO
+ if (Fl::cairo_autolink_context()) Fl::cairo_make_current((Fl_Window*) 0);
+# endif
+ }
+
+ if (ip->region) Fl_Graphics_Driver::default_driver().XDestroyRegion(ip->region);
+
+ // this little trickery seems to avoid the popup window stacking problem
+ HWND p = GetForegroundWindow();
+ if (p==GetParent(ip->xid)) {
+ ShowWindow(ip->xid, SW_HIDE);
+ ShowWindow(p, SW_SHOWNA);
+ }
+ DestroyWindow(ip->xid);
+ // end of fix for STR#3079
+ if (count) {
+ int ii;
+ for (ii = 0; ii < count; ii++) doit[ii]->hide();
+ for (ii = 0; ii < count; ii++) {
+ if (ii != 0) doit[0]->show(); // Fix for STR#3165
+ doit[ii]->show();
+ }
+ delete[] doit;
+ }
+ // Try to stop the annoying "raise another program" behavior
+ if (pWindow->non_modal() && Fl::first_window() && Fl::first_window()->shown())
+ Fl::first_window()->show();
+ delete ip;
+ screen_num_ = -1;
+}
+
+
+void Fl_WinAPI_Window_Driver::map() {
+ ShowWindow(fl_xid(pWindow), SW_RESTORE); // extra map calls are harmless
+}
+
+
+void Fl_WinAPI_Window_Driver::unmap() {
+ ShowWindow(fl_xid(pWindow), SW_HIDE);
+}
+
+#if !defined(FL_DOXYGEN) // FIXME - silence Doxygen warning
+
+void Fl_WinAPI_Window_Driver::make_fullscreen(int X, int Y, int W, int H) {
+ Fl_Window *w = pWindow;
+ int top, bottom, left, right;
+ int sx, sy, sw, sh;
+
+ top = fullscreen_screen_top();
+ bottom = fullscreen_screen_bottom();
+ left = fullscreen_screen_left();
+ right = fullscreen_screen_right();
+
+ if ((top < 0) || (bottom < 0) || (left < 0) || (right < 0)) {
+ top = screen_num();
+ bottom = top;
+ left = top;
+ right = top;
+ }
+
+ Fl::screen_xywh(sx, sy, sw, sh, top);
+ Y = sy;
+ Fl::screen_xywh(sx, sy, sw, sh, bottom);
+ H = sy + sh - Y;
+ Fl::screen_xywh(sx, sy, sw, sh, left);
+ X = sx;
+ Fl::screen_xywh(sx, sy, sw, sh, right);
+ W = sx + sw - X;
+
+ DWORD flags = GetWindowLong(fl_xid(w), GWL_STYLE);
+ flags = flags & ~(WS_THICKFRAME|WS_CAPTION);
+ SetWindowLong(fl_xid(w), GWL_STYLE, flags);
+
+ // SWP_NOSENDCHANGING is so that we can override size limits
+ float s = Fl::screen_driver()->scale(screen_num());
+ SetWindowPos(fl_xid(w), HWND_TOP, X*s, Y*s, W*s, H*s, SWP_NOSENDCHANGING | SWP_FRAMECHANGED);
+}
+
+#endif // !defined(FL_DOXYGEN) // FIXME - silence Doxygen warning
+
+
+void Fl_WinAPI_Window_Driver::fullscreen_on() {
+ pWindow->_set_fullscreen();
+ make_fullscreen(x(), y(), w(), h());
+ Fl::handle(FL_FULLSCREEN, pWindow);
+}
+
+
+void Fl_WinAPI_Window_Driver::fullscreen_off(int X, int Y, int W, int H) {
+ pWindow->_clear_fullscreen();
+ DWORD style = GetWindowLong(fl_xid(pWindow), GWL_STYLE);
+ // Remove the xid temporarily so that Fl_WinAPI_Window_Driver::fake_X_wm() behaves like it
+ // does in Fl_WinAPI_Window_Driver::makeWindow().
+ HWND xid = fl_xid(pWindow);
+ Fl_X::i(pWindow)->xid = NULL;
+ int wx, wy, bt, bx, by;
+ switch (fake_X_wm(wx, wy, bt, bx, by)) {
+ case 0:
+ break;
+ case 1:
+ style |= WS_CAPTION;
+ break;
+ case 2:
+ if (border()) {
+ style |= WS_THICKFRAME | WS_CAPTION;
+ }
+ break;
+ }
+ Fl_X::i(pWindow)->xid = xid;
+ // compute window position and size in scaled units
+ float s = Fl::screen_driver()->scale(screen_num());
+ int scaledX = ceil(X*s), scaledY= ceil(Y*s), scaledW = ceil(W*s), scaledH = ceil(H*s);
+ // Adjust for decorations (but not if that puts the decorations
+ // outside the screen)
+ if ((X != x()) || (Y != y())) {
+ scaledX -= bx;
+ scaledY -= by+bt;
+ }
+ scaledW += bx*2;
+ scaledH += by*2+bt;
+ SetWindowLong(fl_xid(pWindow), GWL_STYLE, style);
+ SetWindowPos(fl_xid(pWindow), 0, scaledX, scaledY, scaledW, scaledH,
+ SWP_NOACTIVATE | SWP_NOZORDER | SWP_FRAMECHANGED);
+ Fl::handle(FL_FULLSCREEN, pWindow);
+}
+
+
+void Fl_WinAPI_Window_Driver::iconize() {
+ ShowWindow(fl_xid(pWindow), SW_SHOWMINNOACTIVE);
+}
+
+
+void Fl_WinAPI_Window_Driver::decoration_sizes(int *top, int *left, int *right, int *bottom) {
+ if (size_range_set() && (maxw() != minw() || maxh() != minh())) {
+ *left = *right = GetSystemMetrics(SM_CXSIZEFRAME);
+ *top = *bottom = GetSystemMetrics(SM_CYSIZEFRAME);
+ } else {
+ *left = *right = GetSystemMetrics(SM_CXFIXEDFRAME);
+ *top = *bottom = GetSystemMetrics(SM_CYFIXEDFRAME);
+ }
+ *top += GetSystemMetrics(SM_CYCAPTION);
+}
+
+int Fl_WinAPI_Window_Driver::scroll(int src_x, int src_y, int src_w, int src_h, int dest_x, int dest_y,
+ void (*draw_area)(void*, int,int,int,int), void* data)
+{
+ typedef int (WINAPI* fl_GetRandomRgn_func)(HDC, HRGN, INT);
+ static fl_GetRandomRgn_func fl_GetRandomRgn = 0L;
+ static char first_time = 1;
+ // We will have to do some Region magic now, so let's see if the
+ // required function is available (and it should be starting w/Win95)
+ if (first_time) {
+ HMODULE hMod = GetModuleHandle("GDI32.DLL");
+ if (hMod) {
+ fl_GetRandomRgn = (fl_GetRandomRgn_func)GetProcAddress(hMod, "GetRandomRgn");
+ }
+ first_time = 0;
+ }
+ float s = Fl::screen_driver()->scale(screen_num());
+ src_x *= s; src_y *= s; src_w *= s; src_h *= s; dest_x *= s; dest_y *= s;
+ // Now check if the source scrolling area is fully visible.
+ // If it is, we will do a quick scroll and just update the
+ // newly exposed area. If it is not, we go the safe route and
+ // re-render the full area instead.
+ // Note 1: we could go and find the areas that are actually
+ // obscured and recursively call fl_scroll for the newly found
+ // rectangles. However, this practice would rely on the
+ // elements of the undocumented Rgn structure.
+ // Note 2: although this method should take care of most
+ // multi-screen solutions, it will not solve issues scrolling
+ // from a different resolution screen onto another.
+ // Note 3: this has been tested with image maps, too.
+ HDC gc = (HDC)fl_graphics_driver->gc();
+ if (fl_GetRandomRgn) {
+ // get the DC region minus all overlapping windows
+ HRGN sys_rgn = CreateRectRgn(0, 0, 0, 0);
+ fl_GetRandomRgn(gc, sys_rgn, 4);
+ // now get the source scrolling rectangle
+ HRGN src_rgn = CreateRectRgn(src_x, src_y, src_x+src_w, src_y+src_h);
+ POINT offset = { 0, 0 };
+ if (GetDCOrgEx(gc, &offset)) {
+ OffsetRgn(src_rgn, offset.x, offset.y);
+ }
+ // see if all source pixels are available in the system region
+ // Note: we could be a bit more merciful and subtract the
+ // scroll destination region as well.
+ HRGN dst_rgn = CreateRectRgn(0, 0, 0, 0);
+ int r = CombineRgn(dst_rgn, src_rgn, sys_rgn, RGN_DIFF);
+ DeleteObject(dst_rgn);
+ DeleteObject(src_rgn);
+ DeleteObject(sys_rgn);
+ if (r != NULLREGION) {
+ return 1;
+ }
+ }
+ // Great, we can do an accelerated scroll instead of re-rendering
+ BitBlt(gc, dest_x, dest_y, src_w, src_h, gc, src_x, src_y,SRCCOPY);
+ return 0;
+}
+
+Fl_WinAPI_Window_Driver::type_for_resize_window_between_screens Fl_WinAPI_Window_Driver::data_for_resize_window_between_screens_ = {0, false};
+
+void Fl_WinAPI_Window_Driver::resize_after_screen_change(void *data) {
+ Fl_Window *win = (Fl_Window*)data;
+ RECT r;
+ GetClientRect(fl_xid(win), &r);
+ float old_f = float(r.right)/win->w();
+ int ns = data_for_resize_window_between_screens_.screen;
+ win->driver()->resize_after_scale_change(ns, old_f, Fl::screen_driver()->scale(ns));
+ data_for_resize_window_between_screens_.busy = false;
+}
+
+#endif
+
+//
+// End of "$Id: Fl_Android_Window_Driver.cxx 12641 2018-01-31 21:17:17Z AlbrechtS $".
+//
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-08 17:31:25 +0000