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Merge pull request #488 from emersion/fractional-scaling 

Add fractional scaling support
This commit is contained in:
Drew DeVault 2017-12-15 11:04:27 -05:00 committed by GitHub
parent 23fb663ea4 51bbcc0fbf
commit a6704fd16d
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 27 additions and 23 deletions
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9
backend/wayland/wl_seat.c
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@ -59,14 +59,15 @@ static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
&box.width, &box.height);
box.x = wl_fixed_to_int(surface_x);
box.y = wl_fixed_to_int(surface_y);
struct wlr_box transformed;
struct wlr_box transformed;
wlr_box_transform(&box, wlr_output->transform, &transformed);
box.x /= wlr_output->scale;
box.y /= wlr_output->scale;
transformed.x /= wlr_output->scale;
transformed.y /= wlr_output->scale;
struct wlr_box layout_box;
wlr_wl_output_layout_get_box(wlr_wl_pointer->current_output->backend, &layout_box);
wlr_wl_output_layout_get_box(wlr_wl_pointer->current_output->backend,
&layout_box);
struct wlr_event_pointer_motion_absolute wlr_event;
wlr_event.device = dev;

2
include/rootston/config.h
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@ -9,7 +9,7 @@ struct roots_output_config {
char *name;
enum wl_output_transform transform;
int x, y;
int scale;
float scale;
struct wl_list link;
struct {
int width, height;

2
include/wlr/types/wlr_cursor.h
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@ -68,7 +68,7 @@ void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
*/
void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels,
int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x,
int32_t hotspot_y, uint32_t scale);
int32_t hotspot_y, float scale);
/**
* Set the cursor surface. The surface can be committed to update the cursor

4
include/wlr/types/wlr_output.h
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@ -45,7 +45,7 @@ struct wlr_output {
char make[48];
char model[16];
char serial[16];
uint32_t scale;
float scale;
int32_t width, height;
int32_t phys_width, phys_height; // mm
enum wl_output_subpixel subpixel;
@ -92,7 +92,7 @@ bool wlr_output_set_custom_mode(struct wlr_output *output, int32_t width,
void wlr_output_set_transform(struct wlr_output *output,
enum wl_output_transform transform);
void wlr_output_set_position(struct wlr_output *output, int32_t lx, int32_t ly);
void wlr_output_set_scale(struct wlr_output *output, uint32_t scale);
void wlr_output_set_scale(struct wlr_output *output, float scale);
void wlr_output_destroy(struct wlr_output *output);
void wlr_output_effective_resolution(struct wlr_output *output,
int *width, int *height);

6
include/wlr/types/wlr_xcursor_manager.h
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@ -9,7 +9,7 @@
* A scaled XCursor theme.
*/
struct wlr_xcursor_manager_theme {
uint32_t scale;
float scale;
struct wlr_xcursor_theme *theme;
struct wl_list link;
};
@ -38,10 +38,10 @@ struct wlr_xcursor_manager *wlr_xcursor_manager_create(const char *name,
void wlr_xcursor_manager_destroy(struct wlr_xcursor_manager *manager);
int wlr_xcursor_manager_load(struct wlr_xcursor_manager *manager,
uint32_t scale);
float scale);
struct wlr_xcursor *wlr_xcursor_manager_get_xcursor(
struct wlr_xcursor_manager *manager, const char *name, uint32_t scale);
struct wlr_xcursor_manager *manager, const char *name, float scale);
/**
* Set a `wlr_cursor` image. The manager uses all currently loaded scaled

2
rootston/config.c
View File

@ -270,7 +270,7 @@ static int config_ini_handler(void *user, const char *section, const char *name,
} else if (strcmp(name, "y") == 0) {
oc->y = strtol(value, NULL, 10);
} else if (strcmp(name, "scale") == 0) {
oc->scale = strtol(value, NULL, 10);
oc->scale = strtof(value, NULL);
assert(oc->scale >= 1);
} else if (strcmp(name, "rotate") == 0) {
if (strcmp(value, "normal") == 0) {

7
rootston/seat.c
View File

@ -459,11 +459,10 @@ void roots_seat_configure_xcursor(struct roots_seat *seat) {
struct roots_output *output;
wl_list_for_each(output, &seat->input->server->desktop->outputs, link) {
if (wlr_xcursor_manager_load(seat->cursor->xcursor_manager,
output->wlr_output->scale)) {
float scale = output->wlr_output->scale;
if (wlr_xcursor_manager_load(seat->cursor->xcursor_manager, scale)) {
wlr_log(L_ERROR, "Cannot load xcursor theme for output '%s' "
"with scale %d", output->wlr_output->name,
output->wlr_output->scale);
"with scale %f", output->wlr_output->name, scale);
}
}

6
types/wlr_cursor.c
View File

@ -299,11 +299,11 @@ void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels,
int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x,
int32_t hotspot_y, uint32_t scale) {
int32_t hotspot_y, float scale) {
struct wlr_cursor_output_cursor *output_cursor;
wl_list_for_each(output_cursor, &cur->state->output_cursors, link) {
if (scale != 0 &&
output_cursor->output_cursor->output->scale != scale) {
float output_scale = output_cursor->output_cursor->output->scale;
if (scale > 0 && output_scale != scale) {
continue;
}

8
types/wlr_output.c
View File

@ -43,7 +43,7 @@ static void wl_output_send_to_resource(struct wl_resource *resource) {
}
}
if (version >= WL_OUTPUT_SCALE_SINCE_VERSION) {
wl_output_send_scale(resource, output->scale);
wl_output_send_scale(resource, (uint32_t)ceil(output->scale));
}
if (version >= WL_OUTPUT_DONE_SINCE_VERSION) {
wl_output_send_done(resource);
@ -240,7 +240,7 @@ void wlr_output_set_position(struct wlr_output *output, int32_t lx,
}
}
void wlr_output_set_scale(struct wlr_output *output, uint32_t scale) {
void wlr_output_set_scale(struct wlr_output *output, float scale) {
if (output->scale == scale) {
return;
}
@ -256,6 +256,10 @@ void wlr_output_set_scale(struct wlr_output *output, uint32_t scale) {
wl_signal_emit(&output->events.scale, output);
}
uint32_t wlr_output_integral_scale(struct wlr_output *output) {
return ceil(output->scale);
}
void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
const struct wlr_output_impl *impl) {
assert(impl->make_current && impl->swap_buffers && impl->transform);

4
types/wlr_xcursor_manager.c
View File

@ -33,7 +33,7 @@ void wlr_xcursor_manager_destroy(struct wlr_xcursor_manager *manager) {
}
int wlr_xcursor_manager_load(struct wlr_xcursor_manager *manager,
uint32_t scale) {
float scale) {
struct wlr_xcursor_manager_theme *theme;
wl_list_for_each(theme, &manager->scaled_themes, link) {
if (theme->scale == scale) {
@ -56,7 +56,7 @@ int wlr_xcursor_manager_load(struct wlr_xcursor_manager *manager,
}
struct wlr_xcursor *wlr_xcursor_manager_get_xcursor(
struct wlr_xcursor_manager *manager, const char *name, uint32_t scale) {
struct wlr_xcursor_manager *manager, const char *name, float scale) {
struct wlr_xcursor_manager_theme *theme;
wl_list_for_each(theme, &manager->scaled_themes, link) {
if (theme->scale == scale) {