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implemented aspect ratio support of windows

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This commit is contained in:
Anselm R. Garbe 2007-02-06 15:22:13 +01:00
parent 7ece30ebc0
commit 2ddc78720a
2 changed files with 41 additions and 4 deletions
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44
client.c
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@ -9,6 +9,13 @@
/* static */
static void
closestpt(float *rx, float *ry, float x, float y, float grad) {
float u = (x * grad + y) / (grad * grad + 1);
*rx = u * grad;
*ry = u;
}
static void
detachstack(Client *c) {
Client **tc;
@ -184,15 +191,12 @@ manage(Window w, XWindowAttributes *wa) {
void
resize(Client *c, Bool sizehints) {
float dx, dy, min, max, actual;
XWindowChanges wc;
if(c->w <= 0 || c->h <= 0)
return;
if(sizehints) {
if(c->incw)
c->w -= (c->w - c->basew) % c->incw;
if(c->inch)
c->h -= (c->h - c->baseh) % c->inch;
if(c->minw && c->w < c->minw)
c->w = c->minw;
if(c->minh && c->h < c->minh)
@ -201,6 +205,30 @@ resize(Client *c, Bool sizehints) {
c->w = c->maxw;
if(c->maxh && c->h > c->maxh)
c->h = c->maxh;
/* inspired by algorithm from fluxbox */
if(c->minay > 0 && c->maxay && (c->h - c->baseh) > 0) {
dx = (float)(c->w - c->basew);
dy = (float)(c->h - c->baseh);
min = (float)(c->minax) / (float)(c->minay);
max = (float)(c->maxax) / (float)(c->maxay);
actual = dx / dy;
if(max > 0 && min > 0 && actual > 0) {
if(actual < min) {
closestpt(&dx, &dy, dx, dy, min);
c->w = (int)dx + c->basew;
c->h = (int)dy + c->baseh;
}
else if(actual > max) {
closestpt(&dx, &dy, dx, dy, max);
c->w = (int)dx + c->basew;
c->h = (int)dy + c->baseh;
}
}
}
if(c->incw)
c->w -= (c->w - c->basew) % c->incw;
if(c->inch)
c->h -= (c->h - c->baseh) % c->inch;
}
if(c->w == sw && c->h == sh)
c->border = 0;
@ -257,6 +285,14 @@ updatesizehints(Client *c) {
}
else
c->minw = c->minh = 0;
if(c->flags & PAspect) {
c->minax = size.min_aspect.x;
c->minay = size.min_aspect.y;
c->maxax = size.max_aspect.x;
c->maxay = size.max_aspect.y;
}
else
c->minax = c->minay = c->maxax = c->maxay = 0;
c->isfixed = (c->maxw && c->minw && c->maxh && c->minh &&
c->maxw == c->minw && c->maxh == c->minh);
}

1
dwm.h
View file

@ -73,6 +73,7 @@ struct Client {
int x, y, w, h;
int rx, ry, rw, rh; /* revert geometry */
int basew, baseh, incw, inch, maxw, maxh, minw, minh;
int minax, minay, maxax, maxay;
long flags;
unsigned int border;
Bool isfloat, isfixed, ismax;