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wayland: use wl_compositor version 6 when available

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Leonardo Hernández Hernández 2024-01-09 22:51:17 -06:00 • committed by Daniel Eklöf
parent 4ee4f47065
commit 7e3da3007b
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4 changed files with 66 additions and 10 deletions
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25
terminal.c
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@ -2071,6 +2071,12 @@ term_fractional_scaling(const struct terminal *term)
return term->wl->fractional_scale_manager != NULL && term->window->scale > 0.;
}
bool
term_preferred_buffer_scale(const struct terminal *term)
{
return term->wl->has_wl_compositor_v6;
}
bool
term_update_scale(struct terminal *term)
{
@ -2081,6 +2087,9 @@ term_update_scale(struct terminal *term)
* the scale in the following order:
*
* - “preferred” scale, from the fractional-scale-v1 protocol
* - "preferred" scale, from wl_compositor version 6.
NOTE: if the compositor advertises version 6 we must use 1.0
until wl_surface.preferred_buffer_scale is sent
* - scaling factor of output we most recently were mapped on
* - if we're not mapped, use the last known scaling factor
* - if we're not mapped, and we don't have a last known scaling
@ -2090,13 +2099,15 @@ term_update_scale(struct terminal *term)
*/
const float new_scale = (term_fractional_scaling(term)
? win->scale
: tll_length(win->on_outputs) > 0
? tll_back(win->on_outputs)->scale
: term->scale_before_unmap > 0.
? term->scale_before_unmap
: tll_length(term->wl->monitors) > 0
? tll_front(term->wl->monitors).scale
: 1.);
: term_preferred_buffer_scale(term)
? win->preferred_buffer_scale
: tll_length(win->on_outputs) > 0
? tll_back(win->on_outputs)->scale
: term->scale_before_unmap > 0.
? term->scale_before_unmap
: tll_length(term->wl->monitors) > 0
? tll_front(term->wl->monitors).scale
: 1.);
if (new_scale == term->scale)
return false;