Make mouse key used for drag/resize configurable

This makes it possible to define what mouse button key (left|right) to
use for dragging/resizing.

1 files changed, 74 insertions, 19 deletions

diff --git a/sway/input_state.c b/sway/input_state.c
index 88506c92..24678f71 100644
--- a/sway/input_state.c
+++ b/sway/input_state.c
@@ -194,8 +194,16 @@ void center_pointer_on(swayc_t *view) {
 
 // Mode set left/right click
 
-static void pointer_mode_set_left(void) {
-        set_initial_view(pointer_state.left.view);
+static void pointer_mode_set_dragging(void) {
+        switch (config->dragging_key) {
+        case M_LEFT_CLICK:
+                set_initial_view(pointer_state.left.view);
+                break;
+        case M_RIGHT_CLICK:
+                set_initial_view(pointer_state.right.view);
+                break;
+        }
+
         if (initial.ptr->is_floating) {
                 pointer_state.mode = M_DRAGGING | M_FLOATING;
         } else {
@@ -208,8 +216,15 @@ static void pointer_mode_set_left(void) {
         }
 }
 
-static void pointer_mode_set_right(void) {
-        set_initial_view(pointer_state.right.view);
+static void pointer_mode_set_resizing(void) {
+        switch (config->resizing_key) {
+        case M_LEFT_CLICK:
+                set_initial_view(pointer_state.left.view);
+                break;
+        case M_RIGHT_CLICK:
+                set_initial_view(pointer_state.right.view);
+                break;
+        }
         // Setup locking information
         int midway_x = initial.ptr->x + initial.ptr->width/2;
         int midway_y = initial.ptr->y + initial.ptr->height/2;
@@ -233,15 +248,19 @@ void pointer_mode_set(uint32_t button, bool condition) {
         // switch on drag/resize mode
         switch (pointer_state.mode & (M_DRAGGING | M_RESIZING)) {
         case M_DRAGGING:
-        // end drag mode when left click is unpressed
-                if (!pointer_state.left.held) {
+                // end drag mode when 'dragging' click is unpressed
+                if (config->dragging_key == M_LEFT_CLICK && !pointer_state.left.held) {
+                        pointer_state.mode = 0;
+                } else if (config->dragging_key == M_RIGHT_CLICK && !pointer_state.right.held) {
                         pointer_state.mode = 0;
                 }
                 break;
 
         case M_RESIZING:
-        // end resize mode when right click is unpressed
-                if (!pointer_state.right.held) {
+                // end resize mode when 'resizing' click is unpressed
+                if (config->resizing_key == M_LEFT_CLICK && !pointer_state.left.held) {
+                        pointer_state.mode = 0;
+                } else if (config->resizing_key == M_RIGHT_CLICK && !pointer_state.right.held) {
                         pointer_state.mode = 0;
                 }
                 break;
@@ -255,19 +274,27 @@ void pointer_mode_set(uint32_t button, bool condition) {
 
                 // Set mode depending on current button press
                 switch (button) {
-                // Start dragging mode
+                // Start left-click mode
                 case M_LEFT_CLICK:
                         // if button release dont do anything
                         if (pointer_state.left.held) {
-                                pointer_mode_set_left();
+                                if (config->dragging_key == M_LEFT_CLICK) {
+                                        pointer_mode_set_dragging();
+                                } else if (config->resizing_key == M_LEFT_CLICK) {
+                                        pointer_mode_set_resizing();
+                                }
                         }
                         break;
 
-                // Start resize mode
+                // Start right-click mode
                 case M_RIGHT_CLICK:
                         // if button release dont do anyhting
                         if (pointer_state.right.held) {
-                                pointer_mode_set_right();
+                                if (config->dragging_key == M_RIGHT_CLICK) {
+                                        pointer_mode_set_dragging();
+                                } else if (config->resizing_key == M_RIGHT_CLICK) {
+                                        pointer_mode_set_resizing();
+                                }
                         }
                         break;
                 }
@@ -287,8 +314,17 @@ void pointer_mode_update(void) {
         switch (pointer_state.mode) {
         case M_FLOATING | M_DRAGGING:
                 // Update position
-                dx -= pointer_state.left.x;
-                dy -= pointer_state.left.y;
+                switch (config->resizing_key) {
+                case M_LEFT_CLICK:
+                        dx -= pointer_state.left.x;
+                        dy -= pointer_state.left.y;
+                        break;
+                case M_RIGHT_CLICK:
+                        dx -= pointer_state.right.x;
+                        dy -= pointer_state.right.y;
+                        break;
+                }
+
                 if (initial.x + dx != initial.ptr->x) {
                         initial.ptr->x = initial.x + dx;
                 }
@@ -299,9 +335,19 @@ void pointer_mode_update(void) {
                 break;
 
         case M_FLOATING | M_RESIZING:
-                dx -= pointer_state.right.x;
-                dy -= pointer_state.right.y;
-                initial.ptr = pointer_state.right.view;
+                switch (config->resizing_key) {
+                case M_LEFT_CLICK:
+                        dx -= pointer_state.left.x;
+                        dy -= pointer_state.left.y;
+                        initial.ptr = pointer_state.left.view;
+                        break;
+                case M_RIGHT_CLICK:
+                        dx -= pointer_state.right.x;
+                        dy -= pointer_state.right.y;
+                        initial.ptr = pointer_state.right.view;
+                        break;
+                }
+
                 if (lock.left) {
                         if (initial.w + dx > min_sane_w) {
                                 initial.ptr->width = initial.w + dx;
@@ -341,8 +387,17 @@ void pointer_mode_update(void) {
                 break;
 
         case M_TILING | M_RESIZING:
-                dx -= pointer_state.right.x;
-                dy -= pointer_state.right.y;
+                switch (config->resizing_key) {
+                case M_LEFT_CLICK:
+                        dx -= pointer_state.left.x;
+                        dy -= pointer_state.left.y;
+                        break;
+                case M_RIGHT_CLICK:
+                        dx -= pointer_state.right.x;
+                        dy -= pointer_state.right.y;
+                        break;
+                }
+
                 // resize if we can
                 if (initial.horiz.ptr) {
                         if (lock.left) {