implemented aspect ratio support of windows - dwm - dynamic window manager
HTML git clone https://git.parazyd.org/dwm
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DIR LICENSE
---
DIR commit 2ddc78720aceda76e22fd3584740fc86a2e7c677
DIR parent 7ece30ebc04640258b5e20dcc71f51e1b01c9222
HTML Author: Anselm R. Garbe <arg@suckless.org>
Date: Tue, 6 Feb 2007 15:22:13 +0100
implemented aspect ratio support of windows
Diffstat:
M client.c | 44 ++++++++++++++++++++++++++++---
M dwm.h | 1 +
2 files changed, 41 insertions(+), 4 deletions(-)
---
DIR diff --git a/client.c b/client.c
@@ -10,6 +10,13 @@
/* 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;
for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
@@ -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);
}
DIR diff --git a/dwm.h b/dwm.h
@@ -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;