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A DPI change is signaled by either a viewport _or_ a scaling factor change

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Before this change, kitty considered only changes in viewport size to
signal DPI, and on non-macOS platforms, it's the scaling factor, not
the viewport size, that changes when DPI changes.
This commit is contained in:
Daniel Colascione
2018-06-10 16:23:03 -07:00
parent ddfe7797e5
commit 535606fadb
1 changed files with 7 additions and 2 deletions
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9
kitty/glfw.c
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@@ -20,6 +20,8 @@ extern void cocoa_set_titlebar_color(void *w, color_type color);
static GLFWcursor *standard_cursor = NULL, *click_cursor = NULL, *arrow_cursor = NULL;
static bool event_loop_blocking_with_no_timeout = false;
static void set_os_window_dpi(OSWindow *w);
void
update_os_window_viewport(OSWindow *window, bool notify_boss) {
int w, h;
@@ -28,7 +30,10 @@ update_os_window_viewport(OSWindow *window, bool notify_boss) {
double xr = window->viewport_x_ratio, yr = window->viewport_y_ratio;
window->viewport_x_ratio = (double)window->viewport_width / (double)w;
window->viewport_y_ratio = (double)window->viewport_height / (double)h;
bool dpi_changed = (xr != 0.0 && xr != window->viewport_x_ratio) || (yr != 0.0 && yr != window->viewport_y_ratio);
double xdpi = window->logical_dpi_x, ydpi = window->logical_dpi_y;
set_os_window_dpi(window);
bool dpi_changed = (xr != 0.0 && xr != window->viewport_x_ratio) || (yr != 0.0 && yr != window->viewport_y_ratio) || (xdpi != window->logical_dpi_x) || (ydpi != window->logical_dpi_y);
window->viewport_size_dirty = true;
window->has_pending_resizes = false;
window->viewport_width = MAX(window->viewport_width, 100);
@@ -320,7 +325,7 @@ get_window_dpi(GLFWwindow *w, double *x, double *y) {
*y = yscale * factor;
}
void
static void
set_os_window_dpi(OSWindow *w) {
get_window_dpi(w->handle, &w->logical_dpi_x, &w->logical_dpi_y);
}