4 files changed, 134 insertions, 13 deletions

diff --git a/include/config.h b/include/config.h
index 38e93eb8..b9511aac 100644
--- a/include/config.h
+++ b/include/config.h
@@ -3,6 +3,7 @@
 
 #include <stdint.h>
 #include <wlc/wlc.h>
+#include <xkbcommon/xkbcommon.h>
 #include "list.h"
 
 struct sway_variable {
@@ -32,6 +33,7 @@ struct sway_config {
         list_t *cmd_queue;
         list_t *workspace_outputs;
         struct sway_mode *current_mode;
+    uint32_t floating_mod;
 
         // Flags
         bool focus_follows_mouse;
diff --git a/include/handlers.h b/include/handlers.h
index d1742cce..c954ce61 100644
--- a/include/handlers.h
+++ b/include/handlers.h
@@ -5,7 +5,7 @@
 #include <wlc/wlc.h>
 
 extern struct wlc_interface interface;
-
+extern uint32_t keys_pressed[32];
 //set focus to current pointer location and return focused container
 swayc_t *focus_pointer(void);
 
diff --git a/sway/commands.c b/sway/commands.c
index 444e6159..f47edd2f 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -171,6 +171,10 @@ static bool cmd_exit(struct sway_config *config, int argc, char **argv) {
 }
 
 static bool cmd_floating(struct sway_config *config, int argc, char **argv) {
+        if (!checkarg(argc, "floating", EXPECTED_EQUAL_TO, 1)) {
+                return false;
+        }
+
         if (strcasecmp(argv[0], "toggle") == 0) {
                 swayc_t *view = get_focused_container(&root_container);
                 // Prevent running floating commands on things like workspaces
@@ -241,6 +245,14 @@ static bool cmd_floating(struct sway_config *config, int argc, char **argv) {
         return true;
 }
 
+static bool cmd_floating_mod(struct sway_config *config, int argc, char **argv) {
+        if (!checkarg(argc, "floating_modifier", EXPECTED_EQUAL_TO, 1)) {
+                return false;
+        }
+        config->floating_mod = xkb_keysym_from_name(argv[0], XKB_KEYSYM_CASE_INSENSITIVE);
+        return true;
+}
+
 static bool cmd_focus(struct sway_config *config, int argc, char **argv) {
         if (!checkarg(argc, "focus", EXPECTED_EQUAL_TO, 1)) {
                 return false;
@@ -465,6 +477,7 @@ static struct cmd_handler handlers[] = {
         { "exec_always", cmd_exec_always },
         { "exit", cmd_exit },
         { "floating", cmd_floating },
+        { "floating_modifier", cmd_floating_mod },
         { "focus", cmd_focus },
         { "focus_follows_mouse", cmd_focus_follows_mouse },
         { "fullscreen", cmd_fullscreen },
diff --git a/sway/handlers.c b/sway/handlers.c
index e17aefee..c39c1628 100644
--- a/sway/handlers.c
+++ b/sway/handlers.c
@@ -12,10 +12,15 @@
 #include "workspace.h"
 #include "container.h"
 
+uint32_t keys_pressed[32];
+
 static struct wlc_origin mouse_origin;
 //Keyboard input is being overrided by window (dmenu)
 static bool override_redirect = false;
 
+static bool m1_held = false;
+static bool m2_held = false;
+
 static bool pointer_test(swayc_t *view, void *_origin) {
         const struct wlc_origin *origin = _origin;
         //Determine the output that the view is under
@@ -186,7 +191,7 @@ static void handle_view_geometry_request(wlc_handle handle, const struct wlc_geo
                         view->x = geometry->origin.x;
                         view->y = geometry->origin.y;
                         arrange_windows(view->parent, -1, -1);
-                }       
+                }
         }
 }
 
@@ -230,7 +235,6 @@ static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifier
                 return false;
         }
         static uint8_t  head = 0;
-        static uint32_t array[QSIZE];
         bool cmd_success = false;
 
         struct sway_mode *mode = config->current_mode;
@@ -239,13 +243,13 @@ static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifier
 
         //Find key, if it has been pressed
         int mid = 0;
-        while (mid < head && array[mid] != sym) {
+        while (mid < head && keys_pressed[mid] != sym) {
                 ++mid;
         }
         if (state == WLC_KEY_STATE_PRESSED && mid == head && head + 1 < QSIZE) {
-                array[head++] = sym;
+                keys_pressed[head++] = sym;
         } else if (state == WLC_KEY_STATE_RELEASED && mid < head) {
-                memmove(array + mid, array + mid + 1, sizeof*array * (--head - mid));
+                memmove(keys_pressed + mid, keys_pressed + mid + 1, sizeof*keys_pressed * (--head - mid));
         }
         // TODO: reminder to check conflicts with mod+q+a versus mod+q
         int i;
@@ -260,7 +264,7 @@ static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifier
                                 xkb_keysym_t *key = binding->keys->items[j];
                                 uint8_t k;
                                 for (k = 0; k < head; ++k) {
-                                        if (array[k] == *key) {
+                                        if (keys_pressed[k] == *key) {
                                                 match = true;
                                                 break;
                                         }
@@ -271,12 +275,12 @@ static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifier
                         }
 
                         if (match) {
-                                //Remove matched keys from array
+                                //Remove matched keys from keys_pressed
                                 int j;
                                 for (j = 0; j < binding->keys->length; ++j) {
                                         uint8_t k;
                                         for (k = 0; k < head; ++k) {
-                                                memmove(array + k, array + k + 1, sizeof*array * (--head - k));
+                                                memmove(keys_pressed + k, keys_pressed + k + 1, sizeof*keys_pressed * (--head - k));
                                                 break;
                                         }
                                 }
@@ -291,13 +295,100 @@ static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifier
         return cmd_success;
 }
 
-static bool handle_pointer_motion(wlc_handle view, uint32_t time, const struct wlc_origin *origin) {
-        static wlc_handle prev_view = 0;
+static bool handle_pointer_motion(wlc_handle handle, uint32_t time, const struct wlc_origin *origin) {
+        static struct wlc_origin prev_pos;
+        static wlc_handle prev_handle = 0;
         mouse_origin = *origin;
-        if (config->focus_follows_mouse && prev_view != view) {
+        bool changed_floating = false;
+        int i = 0;
+        // Do checks to determine if proper keys are being held
+        swayc_t *view = active_workspace->focused;
+        if (m1_held) {
+                if (view->is_floating) {
+                        while (keys_pressed[i++]) {
+                                if (keys_pressed[i] == config->floating_mod) {
+                                        int dx = mouse_origin.x - prev_pos.x;
+                                        int dy = mouse_origin.y - prev_pos.y;
+                                        sway_log(L_DEBUG, "Moving from px: %d to cx: %d and from py: %d to cy: %d", prev_pos.x, mouse_origin.x, prev_pos.y, mouse_origin.y);
+                                        sway_log(L_DEBUG, "Moving: dx: %d, dy: %d", dx, dy);
+
+                                        view->x += dx;
+                                        view->y += dy;
+                                        changed_floating = true;
+                                        break;
+                                }
+                        }
+                }
+        } else if (m2_held) {
+                if (view->is_floating) {
+                        while (keys_pressed[i++]) {
+                                if (keys_pressed[i] == config->floating_mod) {
+                                        int dx = mouse_origin.x - prev_pos.x;
+                                        int dy = mouse_origin.y - prev_pos.y;
+                                        sway_log(L_DEBUG, "Moving from px: %d to cx: %d and from py: %d to cy: %d", prev_pos.x, mouse_origin.x, prev_pos.y, mouse_origin.y);
+                                        sway_log(L_INFO, "Moving: dx: %d, dy: %d", dx, dy);
+
+                                        // Move and resize the view based on the dx/dy and mouse position
+                                        int midway_x = view->x + view->width/2;
+                                        int midway_y = view->y + view->height/2;
+
+                                        if (dx < 0) {
+                                                changed_floating = true;
+                                                if (mouse_origin.x > midway_x) {
+                                                        sway_log(L_INFO, "Downsizing view to the left");
+                                                        view->width += dx;
+                                                } else {
+                                                        sway_log(L_INFO, "Upsizing view to the left");
+                                                        view->x += dx;
+                                                        view->width -= dx;
+                                                }
+                                        } else if (dx > 0){
+                                                changed_floating = true;
+                                                if (mouse_origin.x > midway_x) {
+                                                        sway_log(L_INFO, "Upsizing to the right");
+                                                        view->width += dx;
+                                                } else {
+                                                        sway_log(L_INFO, "Downsizing to the right");
+                                                        view->x += dx;
+                                                        view->width -= dx;
+                                                }
+                                        }
+
+                                        if (dy < 0) {
+                                                changed_floating = true;
+                                                if (mouse_origin.y > midway_y) {
+                                                        sway_log(L_INFO, "Downsizing view to the top");
+                                                        view->height += dy;
+                                                } else {
+                                                        sway_log(L_INFO, "Upsizing the view to the top");
+                                                        view->y += dy;
+                                                        view->height -= dy;
+                                                }
+                                        } else if (dy > 0) {
+                                                changed_floating = true;
+                                                if (mouse_origin.y > midway_y) {
+                                                        sway_log(L_INFO, "Upsizing to the bottom");
+                                                        view->height += dy;
+                                                } else {
+                                                        sway_log(L_INFO, "Downsizing to the bottom");
+                                                        view->y += dy;
+                                                        view->height -= dy;
+                                                }
+                                        }
+                                        break;
+                                }
+                        }
+                }
+        }
+        if (config->focus_follows_mouse && prev_handle != handle) {
                 focus_pointer();
         }
-        prev_view = view;
+        prev_handle = handle;
+        prev_pos = mouse_origin;
+        if (changed_floating) {
+                arrange_windows(view, -1, -1);
+                return true;
+        }
         return false;
 }
 
@@ -305,8 +396,23 @@ static bool handle_pointer_button(wlc_handle view, uint32_t time, const struct w
                 uint32_t button, enum wlc_button_state state) {
         swayc_t *focused = get_focused_container(&root_container);
         if (state == WLC_BUTTON_STATE_PRESSED) {
+                sway_log(L_DEBUG, "Mouse button %u pressed", button);
+                if (button == 272) {
+                        m1_held = true;
+                }
+                if (button == 273) {
+                        m2_held = true;
+                }
                 swayc_t *pointer = focus_pointer();
                 return (pointer && pointer != focused);
+        } else {
+                sway_log(L_DEBUG, "Mouse button %u released", button);
+                if (button == 272) {
+                        m1_held = false;
+                }
+                if (button == 273) {
+                        m2_held = false;
+                }
         }
         return false;
 }