Initial pass on HiDPI support

6 files changed, 34 insertions, 14 deletions

diff --git a/include/config.h b/include/config.h
index 87e23187..5e1c123e 100644
--- a/include/config.h
+++ b/include/config.h
@@ -81,6 +81,7 @@ struct output_config {
         int enabled;
         int width, height;
         int x, y;
+    int scale;
         char *background;
         char *background_option;
 };
diff --git a/sway/commands.c b/sway/commands.c
index d572afa0..89d4337c 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -1585,6 +1585,7 @@ static struct cmd_results *cmd_output(int argc, char **argv) {
         output->x = output->y = output->width = output->height = -1;
         output->name = strdup(name);
         output->enabled = -1;
+        output->scale = 1;
 
         // TODO: atoi doesn't handle invalid numbers
 
@@ -1642,6 +1643,11 @@ static struct cmd_results *cmd_output(int argc, char **argv) {
                         }
                         output->x = x;
                         output->y = y;
+                } else if (strcasecmp(command, "scale") == 0) {
+                        if (++i >= argc) {
+                                return cmd_results_new(CMD_INVALID, "output", "Missing scale parameter.");
+                        }
+                        output->scale = atoi(argv[i]);
                 } else if (strcasecmp(command, "background") == 0 || strcasecmp(command, "bg") == 0) {
                         wordexp_t p;
                         if (++i >= argc) {
diff --git a/sway/config.c b/sway/config.c
index 5e1887a6..83129524 100644
--- a/sway/config.c
+++ b/sway/config.c
@@ -867,6 +867,9 @@ void apply_output_config(struct output_config *oc, swayc_t *output) {
                 struct wlc_size new_size = { .w = oc->width, .h = oc->height };
                 wlc_output_set_resolution(output->handle, &new_size);
         }
+        if (oc && oc->scale != 1) {
+                wlc_output_set_scale(output->handle, (int32_t)oc->scale);
+        }
 
         // Find position for it
         if (oc && oc->x != -1 && oc->y != -1) {
diff --git a/sway/container.c b/sway/container.c
index 67aa6851..df9ce724 100644
--- a/sway/container.c
+++ b/sway/container.c
@@ -102,7 +102,8 @@ static void update_root_geometry() {
 // New containers
 
 swayc_t *new_output(wlc_handle handle) {
-        const struct wlc_size *size = wlc_output_get_resolution(handle);
+        struct wlc_size size;
+        wlc_output_get_scaled_size(handle, &size);
         const char *name = wlc_output_get_name(handle);
         // Find current outputs to see if this already exists
         {
@@ -148,8 +149,8 @@ swayc_t *new_output(wlc_handle handle) {
         swayc_t *output = new_swayc(C_OUTPUT);
         output->handle = handle;
         output->name = name ? strdup(name) : NULL;
-        output->width = size->w;
-        output->height = size->h;
+        output->width = size.w;
+        output->height = size.h;
         output->unmanaged = create_list();
         output->bg_pid = 0;
 
diff --git a/sway/handlers.c b/sway/handlers.c
index 05da5700..ad035e38 100644
--- a/sway/handlers.c
+++ b/sway/handlers.c
@@ -56,7 +56,8 @@ static struct background_config *if_background_find_config(struct wl_client *cli
 }
 
 static struct wlc_geometry compute_panel_geometry(struct panel_config *config) {
-        const struct wlc_size resolution = *wlc_output_get_resolution(config->output);
+        struct wlc_size resolution;
+        wlc_output_get_scaled_size(config->output, &resolution);
         const struct wlc_geometry *old = wlc_view_get_geometry(config->handle);
         struct wlc_geometry new;
 
diff --git a/sway/layout.c b/sway/layout.c
index fc7a31b4..2037955e 100644
--- a/sway/layout.c
+++ b/sway/layout.c
@@ -406,20 +406,21 @@ static void update_border_geometry_floating(swayc_t *c, struct wlc_geometry *geo
         c->actual_geometry = g;
 
         swayc_t *output = swayc_parent_by_type(c, C_OUTPUT);
-        const struct wlc_size *res = wlc_output_get_resolution(output->handle);
+        struct wlc_size res;
+        wlc_output_get_scaled_size(output->handle, &res);
 
         switch (c->border_type) {
         case B_NONE:
                 break;
         case B_PIXEL:
-                adjust_border_geometry(c, &g, res, c->border_thickness,
+                adjust_border_geometry(c, &g, &res, c->border_thickness,
                         c->border_thickness, c->border_thickness, c->border_thickness);
                 break;
         case B_NORMAL:
         {
                 int title_bar_height = config->font_height + 4; // borders + padding
 
-                adjust_border_geometry(c, &g, res, c->border_thickness,
+                adjust_border_geometry(c, &g, &res, c->border_thickness,
                         c->border_thickness, title_bar_height, c->border_thickness);
 
                 struct wlc_geometry title_bar = {
@@ -545,13 +546,15 @@ void update_geometry(swayc_t *container) {
                 gap = update_gap_geometry(container, &geometry);
         }
 
+        swayc_t *output = swayc_parent_by_type(container, C_OUTPUT);
+        struct wlc_size size;
+        wlc_output_get_scaled_size(output->handle, &size);
+
         if (swayc_is_fullscreen(container)) {
-                swayc_t *output = swayc_parent_by_type(container, C_OUTPUT);
-                const struct wlc_size *size = wlc_output_get_resolution(output->handle);
                 geometry.origin.x = 0;
                 geometry.origin.y = 0;
-                geometry.size.w = size->w;
-                geometry.size.h = size->h;
+                geometry.size.w = size.w;
+                geometry.size.h = size.h;
                 if (op->focused == workspace) {
                         wlc_view_bring_to_front(container->handle);
                 }
@@ -576,7 +579,9 @@ void update_geometry(swayc_t *container) {
                                         border_left = 0;
                                 }
 
-                                if (geometry.origin.x + geometry.size.w == workspace->x + workspace->width) {
+                                if (geometry.origin.x + geometry.size.w == size.w ||
+                                                geometry.size.w == container->x + container->width) {
+                                        // should work for swaybar at right
                                         border_right = 0;
                                 }
                         }
@@ -586,7 +591,9 @@ void update_geometry(swayc_t *container) {
                                         border_top = 0;
                                 }
 
-                                if (geometry.origin.y + geometry.size.h == workspace->y + workspace->height) {
+                                if (geometry.origin.y + geometry.size.h == size.h ||
+                                                geometry.size.h == container->y + container->height) {
+                                        // this works for swaybar at bottom
                                         border_bottom = 0;
                                 }
                         }
@@ -721,7 +728,8 @@ static void arrange_windows_r(swayc_t *container, double width, double height) {
                 return;
         case C_OUTPUT:
                 {
-                        struct wlc_size resolution = *wlc_output_get_resolution(container->handle);
+                        struct wlc_size resolution;
+                        wlc_output_get_scaled_size(container->handle, &resolution);
                         width = resolution.w; height = resolution.h;
                         // output must have correct size due to e.g. seamless mouse,
                         // but a workspace might be smaller depending on panels.