Skip to content

Commit

Permalink
Damage code consolidation from Gustavo...
Browse files Browse the repository at this point in the history
git-svn-id: file:///fltk/svn/fltk/trunk@154 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
  • Loading branch information
michaelrsweet committed Dec 8, 1998
1 parent 5e2f2d6 commit f42673a
Show file tree
Hide file tree
Showing 3 changed files with 80 additions and 127 deletions.
78 changes: 76 additions & 2 deletions src/Fl.cxx
@@ -1,5 +1,5 @@
//
// "$Id: Fl.cxx,v 1.6 1998/10/21 14:19:54 mike Exp $"
// "$Id: Fl.cxx,v 1.7 1998/12/08 21:08:50 mike Exp $"
//
// Main event handling code for the Fast Light Tool Kit (FLTK).
//
Expand Down Expand Up @@ -584,6 +584,80 @@ void fl_throw_focus(Fl_Widget *o) {
if (fix) fl_fix_focus();
}

#include <FL/fl_draw.H>

void Fl_Widget::damage(uchar flags) {
Fl_Widget* w = this;
while (w->type() < FL_WINDOW) {
w->damage_ |= flags;
w = w->parent();
if (!w) return;
flags = FL_DAMAGE_CHILD;
}
Fl_X* i = Fl_X::i((Fl_Window*)w);
if (i) {
if (i->region) {
// if there already is an update region then merge the area
// of the child with it:
if (w->damage() && w != this) {
w->damage(flags, x(), y(), this->w(), h());
return;
}
// otherwise it is faster to just damage the whole window and
// rely on Fl_Group only drawing the damaged children:
XDestroyRegion(i->region);
i->region = 0;
}
w->damage_ |= flags;
Fl::damage(FL_DAMAGE_CHILD);
}
}

void Fl_Widget::redraw() {damage(FL_DAMAGE_ALL);}

void Fl_Widget::damage(uchar flags, int X, int Y, int W, int H) {
Fl_Widget* w = this;
while (w->type() < FL_WINDOW) {
w->damage_ |= flags;
w = w->parent();
if (!w) return;
flags = FL_DAMAGE_CHILD;
}
// see if damage covers entire window:
if (X<=0 && Y<=0 && W>=w->w() && H>=w->h()) {w->damage(flags); return;}
Fl_X* i = Fl_X::i((Fl_Window*)w);
if (i) {
if (w->damage()) {
// if we already have damage we must merge with existing region:
if (i->region) {
#ifndef WIN32
XRectangle R;
R.x = X; R.y = Y; R.width = W; R.height = H;
XUnionRectWithRegion(&R, i->region, i->region);
#else
Region r = XRectangleRegion(X,Y,W,H);
CombineRgn(i->region,i->region,r,RGN_OR);
XDestroyRegion(r);
#endif
}
w->damage_ |= flags;
} else {
// create a new region:
if (i->region) XDestroyRegion(i->region);
i->region = XRectangleRegion(X,Y,W,H);
w->damage_ = flags;
}
Fl::damage(FL_DAMAGE_CHILD);
}
}

void Fl_Window::flush() {
make_current();
//if (damage() == FL_DAMAGE_EXPOSE && can_boxcheat(box())) fl_boxcheat = this;
fl_clip_region(i->region); i->region = 0;
draw();
}

//
// End of "$Id: Fl.cxx,v 1.6 1998/10/21 14:19:54 mike Exp $".
// End of "$Id: Fl.cxx,v 1.7 1998/12/08 21:08:50 mike Exp $".
//
57 changes: 2 additions & 55 deletions src/Fl_win32.cxx
@@ -1,5 +1,5 @@
//
// "$Id: Fl_win32.cxx,v 1.18 1998/12/02 15:47:29 mike Exp $"
// "$Id: Fl_win32.cxx,v 1.19 1998/12/08 21:08:50 mike Exp $"
//
// WIN32-specific code for the Fast Light Tool Kit (FLTK).
//
Expand Down Expand Up @@ -759,59 +759,6 @@ void Fl_Window::make_current() {
fl_clip_region(0);
}

#include <FL/fl_draw.H>

void Fl_Widget::damage(uchar flags) {
if (type() < FL_WINDOW) {
damage(flags, x(), y(), w(), h());
} else {
Fl_X* i = Fl_X::i((Fl_Window*)this);
if (i) {
if (i->region) {DeleteObject(i->region);}
i->region = 0;
damage_ |= flags;
Fl::damage(FL_DAMAGE_CHILD);
}
}
}

void Fl_Widget::redraw() {damage(FL_DAMAGE_ALL);}

Region XRectangleRegion(int x, int y, int w, int h); // in fl_rect.C

void Fl_Widget::damage(uchar flags, int X, int Y, int W, int H) {
if (type() < FL_WINDOW) {
damage_ |= flags;
if (parent()) parent()->damage(FL_DAMAGE_CHILD,X,Y,W,H);
} else {
// see if damage covers entire window:
if (X<=0 && Y<=0 && W>=w() && H>=h()) {damage(flags); return;}
Fl_X* i = Fl_X::i((Fl_Window*)this);
if (i) {
if (damage()) {
// if we already have damage we must merge with existing region:
if (i->region) {
Region r = XRectangleRegion(X,Y,W,H);
CombineRgn(i->region,i->region,r,RGN_OR);
DeleteObject(r);
}
} else {
// create a new region:
if (i->region) DeleteObject(i->region);
i->region = XRectangleRegion(X,Y,W,H);
}
damage_ |= flags;
Fl::damage(FL_DAMAGE_CHILD);
}
}
}

void Fl_Window::flush() {
make_current();
fl_clip_region(i->region);i->region=0;
draw();
}

//
// End of "$Id: Fl_win32.cxx,v 1.18 1998/12/02 15:47:29 mike Exp $".
// End of "$Id: Fl_win32.cxx,v 1.19 1998/12/08 21:08:50 mike Exp $".
//
72 changes: 2 additions & 70 deletions src/Fl_x.cxx
@@ -1,5 +1,5 @@
//
// "$Id: Fl_x.cxx,v 1.12 1998/12/07 13:38:40 mike Exp $"
// "$Id: Fl_x.cxx,v 1.13 1998/12/08 21:08:51 mike Exp $"
//
// X specific code for the Fast Light Tool Kit (FLTK).
//
Expand Down Expand Up @@ -801,76 +801,8 @@ void Fl_Window::make_current() {
fl_clip_region(0);
}

#include <FL/fl_draw.H>

void Fl_Widget::damage(uchar flags) {
Fl_Widget* w = this;
while (w->type() < FL_WINDOW) {
w->damage_ |= flags;
w = w->parent();
if (!w) return;
flags = FL_DAMAGE_CHILD;
}
Fl_X* i = Fl_X::i((Fl_Window*)w);
if (i) {
if (i->region) {
// if there already is an update region then merge the area
// of the child with it:
if (w->damage() && w != this) {
w->damage(flags, x(), y(), this->w(), h());
return;
}
// otherwise it is faster to just damage the whole window and
// rely on Fl_Group only drawing the damaged children:
XDestroyRegion(i->region);
i->region = 0;
}
w->damage_ |= flags;
Fl::damage(FL_DAMAGE_CHILD);
}
}

void Fl_Widget::redraw() {damage(FL_DAMAGE_ALL);}

void Fl_Widget::damage(uchar flags, int X, int Y, int W, int H) {
Fl_Widget* w = this;
while (w->type() < FL_WINDOW) {
w->damage_ |= flags;
w = w->parent();
if (!w) return;
flags = FL_DAMAGE_CHILD;
}
// see if damage covers entire window:
if (X<=0 && Y<=0 && W>=w->w() && H>=w->h()) {w->damage(flags); return;}
Fl_X* i = Fl_X::i((Fl_Window*)w);
if (i) {
if (w->damage()) {
// if we already have damage we must merge with existing region:
if (i->region) {
XRectangle R;
R.x = X; R.y = Y; R.width = W; R.height = H;
XUnionRectWithRegion(&R, i->region, i->region);
}
w->damage_ |= flags;
} else {
// create a new region:
if (i->region) XDestroyRegion(i->region);
i->region = XRectangleRegion(X,Y,W,H);
w->damage_ = flags;
}
Fl::damage(FL_DAMAGE_CHILD);
}
}

void Fl_Window::flush() {
make_current();
//if (damage() == FL_DAMAGE_EXPOSE && can_boxcheat(box())) fl_boxcheat = this;
fl_clip_region(i->region); i->region = 0;
draw();
}

#endif

//
// End of "$Id: Fl_x.cxx,v 1.12 1998/12/07 13:38:40 mike Exp $".
// End of "$Id: Fl_x.cxx,v 1.13 1998/12/08 21:08:51 mike Exp $".
//

0 comments on commit f42673a

Please sign in to comment.