Relative position patch for lightdm-mini-greeter

mini-greeter-relpos.diff

diff --unified --recursive --color lightdm-mini-greeter-0.3.4/data/lightdm-mini-greeter.conf lightdm-mini-greeter-0.3.4-new/data/lightdm-mini-greeter.conf
--- lightdm-mini-greeter-0.3.4/data/lightdm-mini-greeter.conf	2018-11-02 19:32:27.000000000 +0530
+++ lightdm-mini-greeter-0.3.4-new/data/lightdm-mini-greeter.conf	2019-09-15 23:52:02.692974802 +0530
@@ -56,3 +56,7 @@
 password-color = "#F8F8F0"
 # The background color of the password input.
 password-background-color = "#1B1D1E"
+
+# Relative position of window on screen (0-1 float)
+x-pos = 0.5
+y-pos = 0.5
diff --unified --recursive --color lightdm-mini-greeter-0.3.4/src/config.c lightdm-mini-greeter-0.3.4-new/src/config.c
--- lightdm-mini-greeter-0.3.4/src/config.c	2018-11-02 19:32:27.000000000 +0530
+++ lightdm-mini-greeter-0.3.4-new/src/config.c	2019-09-15 23:52:02.696308136 +0530
@@ -96,6 +96,10 @@
         config->layout_spacing = (guint) layout_spacing;
     }
 
+    config->x_pos = g_key_file_get_double(
+        keyfile, "greeter-theme", "x-pos", NULL);
+    config->y_pos = g_key_file_get_double(
+        keyfile, "greeter-theme", "y-pos", NULL);
 
     g_key_file_free(keyfile);
 
diff --unified --recursive --color lightdm-mini-greeter-0.3.4/src/config.h lightdm-mini-greeter-0.3.4-new/src/config.h
--- lightdm-mini-greeter-0.3.4/src/config.h	2018-11-02 19:32:27.000000000 +0530
+++ lightdm-mini-greeter-0.3.4-new/src/config.h	2019-09-15 23:52:02.696308136 +0530
@@ -38,6 +38,10 @@
     guint     restart_key;
     guint     hibernate_key;
     guint     suspend_key;
+
+    // Window position
+    gdouble   x_pos;
+    gdouble   y_pos;
 } Config;
 
 
diff --unified --recursive --color lightdm-mini-greeter-0.3.4/src/ui.c lightdm-mini-greeter-0.3.4-new/src/ui.c
--- lightdm-mini-greeter-0.3.4/src/ui.c	2018-11-02 19:32:27.000000000 +0530
+++ lightdm-mini-greeter-0.3.4-new/src/ui.c	2019-09-15 23:52:02.696308136 +0530
@@ -129,7 +129,7 @@
     gtk_container_set_border_width(GTK_CONTAINER(main_window), config->layout_spacing);
     gtk_widget_set_name(GTK_WIDGET(main_window), "main");
 
-    g_signal_connect(main_window, "show", G_CALLBACK(place_main_window), NULL);
+    g_signal_connect(main_window, "show", G_CALLBACK(place_main_window), config);
     g_signal_connect(main_window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
 
     ui->main_window = main_window;
@@ -154,10 +154,13 @@
     gint window_width, window_height;
     gtk_window_get_size(GTK_WINDOW(main_window), &window_width, &window_height);
 
+    Config *config = (Config *) user_data;
+    gint xpos = (gint) (primary_monitor_geometry.width * config->x_pos);
+    gint ypos = (gint) (primary_monitor_geometry.height * config->y_pos);
     gtk_window_move(
         GTK_WINDOW(main_window),
-        primary_monitor_geometry.x + primary_monitor_geometry.width / 2 - window_width / 2,
-        primary_monitor_geometry.y + primary_monitor_geometry.height / 2 - window_height / 2);
+        primary_monitor_geometry.x + xpos - window_width / 2,
+        primary_monitor_geometry.y + ypos - window_height / 2);
 }