From 0c567c67933cc48ac57f08167d88a57ce0504524 Mon Sep 17 00:00:00 2001
From: Federico Angelilli <code@fedang.net>
Date: Tue, 9 Jul 2024 17:02:42 +0200
Subject: Add event handling

---
 src/display.c | 115 +++++++++++++++++++++-------------------------------------
 1 file changed, 42 insertions(+), 73 deletions(-)

(limited to 'src/display.c')

diff --git a/src/display.c b/src/display.c
index 09549ce..a34e609 100644
--- a/src/display.c
+++ b/src/display.c
@@ -6,77 +6,6 @@
 #include "any_log.h"
 #include "display.h"
 
-static bool query_xrm(display_t *display, const char *resource, char **value)
-{
-    bool found = xcb_xrm_resource_get_string(display->database, resource, NULL, value) >= 0;
-    log_value_debug("Xrm query",
-                    "b:found", found,
-                    "s:resource", resource,
-                    "s:value", *value ? *value : "");
-    return found;
-}
-
-static void update_xrm(display_t *display)
-{
-    xcb_flush(display->connection);
-    xcb_xrm_database_t *database = xcb_xrm_database_from_default(display->connection);
-
-    if (database == NULL) {
-        log_warn("Xrm database couldn't be updated");
-        return;
-    }
-
-    xcb_xrm_database_free(display->database);
-    display->database = database;
-    log_debug("Xrm database updated");
-}
-
-static void update_scale(display_t *display)
-{
-    char *dpi_value;
-    if (query_xrm(display, "Xft.dpi", &dpi_value)) {
-        display->screen_dpi = strtod(dpi_value, NULL);
-        free(dpi_value);
-
-        // Ignore invalid values
-        if (display->screen_dpi != 0)
-            return;
-    }
-
-    display->screen_dpi = (double)display->screen_size->height * 25.4 / (double)display->screen_size->mheight;
-    log_debug("Fallback dpi value '%.2lf'", display->screen_dpi);
-}
-
-// Check if point (px, py) is inside a rectangle in (x, y), (x+w, y), (x, y+h) and (w+h, y+h)
-static inline bool in_rect(int px, int py, int x, int y, int w, int h)
-{
-    return px >= x && px <= x + w && py >= y && py <= y + h;
-}
-
-// Check if point (px, py) is inside a circle of radius r and center (x, y)
-static inline bool in_circle(int px, int py, int x, int y, int r)
-{
-    int dx = x - px;
-    int dy = y - py;
-    return (dx * dx + dy * dy) <= r * r;
-}
-
-// Check if point (px, py) is inside a capsule in (x, y), (x+w, y), (x, y+h) and (w+h, y+h)
-static inline bool in_capsule(int px, int py, int x, int y, int w, int h)
-{
-    assert(w >= h);
-    int radius = h / 2;
-
-    // Trivial case
-    if (w == h)
-        return in_circle(px, py, x + radius, y + radius, radius);
-
-    // General case
-    return in_circle(px, py, x + radius, y + radius, radius)
-        || in_circle(px, py, x + w - radius, y + radius, radius)
-        || in_rect(px, py, x + radius, y, w - 2 * radius, h);
-}
-
 void display_init(display_t *display)
 {
     memset(display, 0, sizeof(display_t));
@@ -149,8 +78,7 @@ void display_init(display_t *display)
     display->database = xcb_xrm_database_from_default(display->connection);
     assert(display->database != NULL);
 
-    // TODO: Dpi aware scaling
-    update_scale(display);
+    display_update_scale(display);
 
     assert(xcb_errors_context_new(display->connection, &display->errors) == 0);
     log_debug("Xcb errors loaded");
@@ -158,6 +86,47 @@ void display_init(display_t *display)
     xcb_flush(display->connection);
 }
 
+bool display_query_xrm(display_t *display, const char *resource, char **value)
+{
+    bool found = xcb_xrm_resource_get_string(display->database, resource, NULL, value) >= 0;
+    log_value_debug("Xrm query",
+                    "b:found", found,
+                    "s:resource", resource,
+                    "s:value", *value ? *value : "");
+    return found;
+}
+
+void display_update_xrm(display_t *display)
+{
+    xcb_flush(display->connection);
+    xcb_xrm_database_t *database = xcb_xrm_database_from_default(display->connection);
+
+    if (database == NULL) {
+        log_warn("Xrm database couldn't be updated");
+        return;
+    }
+
+    xcb_xrm_database_free(display->database);
+    display->database = database;
+    log_debug("Xrm database updated");
+}
+
+void display_update_scale(display_t *display)
+{
+    char *dpi_value;
+    if (display_query_xrm(display, "Xft.dpi", &dpi_value)) {
+        display->screen_dpi = strtod(dpi_value, NULL);
+        free(dpi_value);
+
+        // Ignore invalid values
+        if (display->screen_dpi != 0)
+            return;
+    }
+
+    display->screen_dpi = (double)display->screen_size->height * 25.4 / (double)display->screen_size->mheight;
+    log_debug("Fallback dpi value '%.2lf'", display->screen_dpi);
+}
+
 void display_close(display_t *display)
 {
     xcb_ewmh_connection_wipe(&display->ewmh);
-- 
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