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-rw-r--r--pugl/pugl.h13
-rw-r--r--pugl/pugl_internal.h17
-rw-r--r--pugl/pugl_x11.c18
3 files changed, 44 insertions, 4 deletions
diff --git a/pugl/pugl.h b/pugl/pugl.h
index 53115ff..3ff66f9 100644
--- a/pugl/pugl.h
+++ b/pugl/pugl.h
@@ -171,6 +171,19 @@ PUGL_API void
puglInitWindowMinSize(PuglView* view, int width, int height);
/**
+ Set the window aspect ratio range before creating a window.
+
+ The x and y values here represent a ratio of width to height. To set a
+ fixed aspect ratio, set the minimum and maximum values to the same ratio.
+*/
+PUGL_API void
+puglInitWindowAspectRatio(PuglView* view,
+ int min_x,
+ int min_y,
+ int max_x,
+ int max_y);
+
+/**
Enable or disable resizing before creating a window.
*/
PUGL_API void
diff --git a/pugl/pugl_internal.h b/pugl/pugl_internal.h
index f83f2c7..1006c90 100644
--- a/pugl/pugl_internal.h
+++ b/pugl/pugl_internal.h
@@ -55,6 +55,10 @@ struct PuglViewImpl {
int height;
int min_width;
int min_height;
+ int min_aspect_x;
+ int min_aspect_y;
+ int max_aspect_x;
+ int max_aspect_y;
int mods;
bool mouse_in_view;
bool ignoreKeyRepeat;
@@ -100,6 +104,19 @@ puglInitWindowMinSize(PuglView* view, int width, int height)
}
void
+puglInitWindowAspectRatio(PuglView* view,
+ int min_x,
+ int min_y,
+ int max_x,
+ int max_y)
+{
+ view->min_aspect_x = min_x;
+ view->min_aspect_y = min_y;
+ view->max_aspect_x = max_x;
+ view->max_aspect_y = max_y;
+}
+
+void
puglInitWindowParent(PuglView* view, PuglNativeWindow parent)
{
view->parent = parent;
diff --git a/pugl/pugl_x11.c b/pugl/pugl_x11.c
index bd85b37..6375609 100644
--- a/pugl/pugl_x11.c
+++ b/pugl/pugl_x11.c
@@ -214,10 +214,20 @@ puglCreateWindow(PuglView* view, const char* title)
sizeHints.max_width = view->width;
sizeHints.max_height = view->height;
XSetNormalHints(impl->display, impl->win, &sizeHints);
- } else if (view->min_width || view->min_height) {
- sizeHints.flags = PMinSize;
- sizeHints.min_width = view->min_width;
- sizeHints.min_height = view->min_height;
+ } else {
+ if (view->min_width || view->min_height) {
+ sizeHints.flags = PMinSize;
+ sizeHints.min_width = view->min_width;
+ sizeHints.min_height = view->min_height;
+ }
+ if (view->min_aspect_x) {
+ sizeHints.flags |= PAspect;
+ sizeHints.min_aspect.x = view->min_aspect_x;
+ sizeHints.min_aspect.y = view->min_aspect_y;
+ sizeHints.max_aspect.x = view->max_aspect_x;
+ sizeHints.max_aspect.y = view->max_aspect_y;
+ }
+
XSetNormalHints(impl->display, impl->win, &sizeHints);
}