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layer-shell: validate exclusiveEdge and don't set it as top by default (#7006)

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* validate exclusiveEdge and don't set it as top by default

* make sure exclusive edge anchor is within bounds
This commit is contained in:
Ikalco 2024-07-23 13:03:15 -05:00 committed by GitHub
parent 077494ee85
commit a5f58a3126
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GPG key ID: B5690EEEBB952194
2 changed files with 11 additions and 3 deletions
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12
src/protocols/LayerShell.cpp
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@ -11,7 +11,7 @@ void CLayerShellResource::SState::reset() {
exclusive = 0;
interactivity = ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_NONE;
layer = ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
exclusiveEdge = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
exclusiveEdge = (zwlrLayerSurfaceV1Anchor)0;
desiredSize = {};
margin = {0, 0, 0, 0};
}
@ -152,7 +152,15 @@ CLayerShellResource::CLayerShellResource(SP<CZwlrLayerSurfaceV1> resource_, SP<C
});
resource->setSetExclusiveEdge([this](CZwlrLayerSurfaceV1* r, zwlrLayerSurfaceV1Anchor anchor) {
// TODO: validate anchor
if (anchor > (ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) {
r->error(ZWLR_LAYER_SURFACE_V1_ERROR_INVALID_EXCLUSIVE_EDGE, "Invalid exclusive edge");
return;
}
if (!pending.anchor || !(pending.anchor & anchor)) {
r->error(ZWLR_LAYER_SURFACE_V1_ERROR_INVALID_EXCLUSIVE_EDGE, "Exclusive edge doesn't align with anchor");
return;
}
pending.committed |= STATE_EDGE;
pending.exclusiveEdge = anchor;

2
src/protocols/LayerShell.hpp
View file

@ -47,7 +47,7 @@ class CLayerShellResource : public ISurfaceRole {
Vector2D desiredSize;
zwlrLayerSurfaceV1KeyboardInteractivity interactivity = ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_NONE;
zwlrLayerShellV1Layer layer = ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
zwlrLayerSurfaceV1Anchor exclusiveEdge = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
zwlrLayerSurfaceV1Anchor exclusiveEdge = (zwlrLayerSurfaceV1Anchor)0;
uint32_t committed = 0;
struct {