feat: add expose all windows and Alt-drag window manipulation

feat: improve maximize behavior with floating state and constraints
feat: enhance resize cursors and edge detection

build/keys.d

@@ -19,7 +19,7 @@ build/keys.o: src/keys.c include/keys.h include/dwn.h include/client.h \
  /usr/include/dbus-1.0/dbus/dbus-syntax.h \
  /usr/include/dbus-1.0/dbus/dbus-threads.h include/news.h \
  include/applauncher.h include/decorations.h include/demo.h \
- include/layout.h include/api.h include/marks.h
+ include/layout.h include/api.h include/marks.h include/panel.h
 include/keys.h:
 include/dwn.h:
 include/client.h:
@@ -53,3 +53,4 @@ include/demo.h:
 include/layout.h:
 include/api.h:
 include/marks.h:
+include/panel.h:

include/dwn.h

@@ -125,6 +125,7 @@ struct Client {
     char title[256];
     char class[64];
     SnapConstraint snap;
+    bool floating_before_maximize;
     unsigned long taskbar_color;
     ColorAnimation title_anim;
     TextGlowAnimation text_glow;
@@ -219,6 +220,17 @@ typedef struct {
     int last_mouse_x;
     int last_mouse_y;
     bool mouse_tracking_initialized;
+
+    Cursor cursor_default;
+    Cursor cursor_resize_top_left;
+    Cursor cursor_resize_top_right;
+    Cursor cursor_resize_bottom_left;
+    Cursor cursor_resize_bottom_right;
+    Cursor cursor_resize_left;
+    Cursor cursor_resize_right;
+    Cursor cursor_resize_top;
+    Cursor cursor_resize_bottom;
+    Cursor cursor_move;
 } DWNState;
 
 #define PHASE_OFFSET_PANEL_BG      0.0f

include/keys.h

@@ -100,6 +100,7 @@ void key_resize_window_up(void);
 void key_resize_window_down(void);
 void key_set_mark(void);
 void key_goto_mark(void);
+void key_expose_all(void);
 
 void tutorial_start(void);
 void tutorial_stop(void);

src/client.c

@@ -53,6 +53,7 @@ Client *client_create(Window window)
     client->snap.horizontal = SNAP_H_NONE;
     client->snap.vertical = SNAP_V_NONE;
     client->snap.timestamp = 0;
+    client->floating_before_maximize = false;
 
     XWindowAttributes wa;
     int orig_width = 640, orig_height = 480;
@@ -234,6 +235,16 @@ Client *client_manage(Window window)
     XGrabButton(dwn->display, Button1, AnyModifier, window, False,
                 ButtonPressMask, GrabModeSync, GrabModeAsync, None, None);
 
+    unsigned int lock_combos[] = { 0, Mod2Mask, LockMask, Mod2Mask | LockMask };
+    for (size_t gi = 0; gi < sizeof(lock_combos) / sizeof(lock_combos[0]); gi++) {
+        XGrabButton(dwn->display, Button3, Mod1Mask | lock_combos[gi], window, False,
+                    ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
+                    GrabModeAsync, GrabModeAsync, None, None);
+        XGrabButton(dwn->display, Button1, Mod1Mask | lock_combos[gi], window, False,
+                    ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
+                    GrabModeAsync, GrabModeAsync, None, None);
+    }
+
     client_sync_log("client_manage: syncing X");
     XSync(dwn->display, False);
 
@@ -905,6 +916,7 @@ void client_set_maximize(Client *client, bool maximized)
             client->old_y = client->y;
             client->old_width = client->width;
             client->old_height = client->height;
+            client->floating_before_maximize = (client->flags & CLIENT_FLOATING) != 0;
         }
 
         client->flags |= CLIENT_MAXIMIZED;
@@ -933,6 +945,10 @@ void client_set_maximize(Client *client, bool maximized)
     } else {
         client->flags &= ~CLIENT_MAXIMIZED;
 
+        if (!client->floating_before_maximize) {
+            client->flags &= ~CLIENT_FLOATING;
+        }
+
         atoms_update_wm_state(client->window, ewmh.NET_WM_STATE_MAXIMIZED_VERT, false);
         atoms_update_wm_state(client->window, ewmh.NET_WM_STATE_MAXIMIZED_HORZ, false);
         api_emit_window_maximized(client->window, false);
@@ -942,8 +958,33 @@ void client_set_maximize(Client *client, bool maximized)
         client->width = client->old_width;
         client->height = client->old_height;
 
+        if (client->width < 50) client->width = 50;
+        if (client->height < 50) client->height = 50;
+
+        int area_x, area_y, area_w, area_h;
+        layout_get_usable_area(&area_x, &area_y, &area_w, &area_h);
+
+        if (client->x + client->width > area_x + area_w) {
+            client->x = area_x + area_w - client->width;
+        }
+        if (client->x < area_x) {
+            client->x = area_x;
+        }
+        if (client->y + client->height > area_y + area_h) {
+            client->y = area_y + area_h - client->height;
+        }
+        if (client->y < area_y) {
+            client->y = area_y;
+        }
+
         client_configure(client);
         decorations_render(client, true);
+        client_raise(client);
+        client_focus(client, true);
+
+        if (!client->floating_before_maximize) {
+            workspace_arrange_current();
+        }
     }
 }
 

src/decorations.c

@@ -17,7 +17,7 @@
 #define BUTTON_SIZE 16
 #define BUTTON_PADDING 4
 
-#define RESIZE_EDGE 8
+#define RESIZE_EDGE 12
 
 #define DEC_XFT_COLOR_CACHE_SIZE 8
 

src/keys.c

@@ -18,6 +18,7 @@
 #include "layout.h"
 #include "api.h"
 #include "marks.h"
+#include "panel.h"
 
 #include <stdio.h>
 #include <string.h>
@@ -610,6 +611,8 @@ void keys_setup_defaults(void)
 
     keys_bind(MOD_SUPER, XK_m, key_set_mark, "Set window mark");
     keys_bind(MOD_SUPER, XK_apostrophe, key_goto_mark, "Go to marked window");
+
+    keys_bind(MOD_ALT, XK_space, key_expose_all, "Expose all windows");
 }
 
 
@@ -936,8 +939,11 @@ void key_show_shortcuts(void)
         "Alt+F9        Toggle minimize\n"
         "Alt+F10       Toggle maximize\n"
         "Alt+F11       Toggle fullscreen\n"
+        "Alt+Space     Expose all windows\n"
         "Super+F9      Toggle floating\n"
         "Super+K       Kill all applications\n"
+        "Alt+Drag      Move window (any position)\n"
+        "Alt+Right-Drag Resize window (any position)\n"
         "\n"
         "=== Workspaces ===\n"
         "F1-F9         Switch to workspace\n"
@@ -1327,6 +1333,36 @@ void key_resize_window_down(void)
     decorations_render(c, true);
 }
 
+void key_expose_all(void)
+{
+    if (dwn == NULL) {
+        return;
+    }
+
+    if (dwn->desktop_shown) {
+        dwn->desktop_shown = false;
+        dwn->desktop_minimized_count = 0;
+    }
+
+    for (Client *c = dwn->client_list; c != NULL; c = c->next) {
+        if (c->workspace != (unsigned int)dwn->current_workspace) {
+            continue;
+        }
+        if (client_is_fullscreen(c)) {
+            client_set_fullscreen(c, false);
+        }
+        if (client_is_maximized(c)) {
+            client_set_maximize(c, false);
+        }
+        if (client_is_minimized(c)) {
+            client_restore(c);
+        }
+    }
+
+    workspace_arrange_current();
+    panel_render_all();
+}
+
 void key_set_mark(void)
 {
     marks_start_set_mode();

src/main.c

@@ -497,6 +497,8 @@ static void handle_leave_notify(XCrossingEvent *ev)
     }
 }
 
+static Cursor cursor_for_direction(int direction);
+
 static void handle_button_press(XButtonEvent *ev)
 {
     if (ev == NULL || dwn == NULL || dwn->display == NULL) {
@@ -560,6 +562,50 @@ static void handle_button_press(XButtonEvent *ev)
     }
 
     if (is_client_window) {
+        bool alt_held = (ev->state & Mod1Mask) != 0;
+
+        if (alt_held && ev->button == Button3) {
+            client_focus(c, true);
+            int cx = c->x + c->width / 2;
+            int cy = c->y + c->height / 2;
+            int dir = 0;
+            if (ev->x_root < cx) dir |= RESIZE_LEFT; else dir |= RESIZE_RIGHT;
+            if (ev->y_root < cy) dir |= RESIZE_TOP; else dir |= RESIZE_BOTTOM;
+
+            dwn->drag_client = c;
+            dwn->drag_start_x = ev->x_root;
+            dwn->drag_start_y = ev->y_root;
+            dwn->drag_orig_x = c->x;
+            dwn->drag_orig_y = c->y;
+            dwn->drag_orig_w = c->width;
+            dwn->drag_orig_h = c->height;
+            dwn->resizing = true;
+            dwn->drag_direction = dir;
+
+            XGrabPointer(dwn->display, dwn->root, True,
+                         PointerMotionMask | ButtonReleaseMask,
+                         GrabModeAsync, GrabModeAsync, None,
+                         cursor_for_direction(dir), CurrentTime);
+            return;
+        }
+
+        if (alt_held && ev->button == Button1) {
+            client_focus(c, true);
+            dwn->drag_client = c;
+            dwn->drag_start_x = ev->x_root;
+            dwn->drag_start_y = ev->y_root;
+            dwn->drag_orig_x = c->x;
+            dwn->drag_orig_y = c->y;
+            dwn->resizing = false;
+            dwn->drag_direction = 0;
+
+            XGrabPointer(dwn->display, dwn->root, True,
+                         PointerMotionMask | ButtonReleaseMask,
+                         GrabModeAsync, GrabModeAsync, None,
+                         dwn->cursor_move, CurrentTime);
+            return;
+        }
+
         XAllowEvents(dwn->display, ReplayPointer, ev->time);
         client_focus(c, true);
         return;
@@ -588,7 +634,8 @@ static void handle_button_press(XButtonEvent *ev)
 
                 XGrabPointer(dwn->display, c->frame, True,
                              PointerMotionMask | ButtonReleaseMask,
-                             GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
+                             GrabModeAsync, GrabModeAsync, None,
+                             dwn->cursor_move, CurrentTime);
             }
             return;
         }
@@ -610,7 +657,8 @@ static void handle_button_press(XButtonEvent *ev)
 
                 XGrabPointer(dwn->display, c->frame, True,
                              PointerMotionMask | ButtonReleaseMask,
-                             GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
+                             GrabModeAsync, GrabModeAsync, None,
+                             cursor_for_direction(direction), CurrentTime);
             }
         }
     }
@@ -645,6 +693,24 @@ static void handle_button_release(XButtonEvent *ev)
     api_emit_mouse_button_released(ev->button, ev->x_root, ev->y_root);
 }
 
+static Cursor cursor_for_direction(int direction)
+{
+    bool left = (direction & RESIZE_LEFT) != 0;
+    bool right = (direction & RESIZE_RIGHT) != 0;
+    bool top = (direction & RESIZE_TOP) != 0;
+    bool bottom = (direction & RESIZE_BOTTOM) != 0;
+
+    if (top && left) return dwn->cursor_resize_top_left;
+    if (top && right) return dwn->cursor_resize_top_right;
+    if (bottom && left) return dwn->cursor_resize_bottom_left;
+    if (bottom && right) return dwn->cursor_resize_bottom_right;
+    if (left) return dwn->cursor_resize_left;
+    if (right) return dwn->cursor_resize_right;
+    if (top) return dwn->cursor_resize_top;
+    if (bottom) return dwn->cursor_resize_bottom;
+    return dwn->cursor_default;
+}
+
 static void handle_motion_notify(XMotionEvent *ev)
 {
     if (ev == NULL || dwn == NULL || dwn->display == NULL) {
@@ -661,7 +727,7 @@ static void handle_motion_notify(XMotionEvent *ev)
         slider_handle_motion(fade_speed_control.slider, ev->x, ev->y);
         return;
     }
-    
+
     if (fade_intensity_control.slider != NULL && fade_intensity_control.slider->visible && ev->window == fade_intensity_control.slider->window) {
         LOG_DEBUG("Fade intensity slider motion: x=%d, y=%d", ev->x, ev->y);
         slider_handle_motion(fade_intensity_control.slider, ev->x, ev->y);
@@ -669,6 +735,17 @@ static void handle_motion_notify(XMotionEvent *ev)
     }
 
     if (dwn->drag_client == NULL) {
+        Client *c = client_find_by_frame(ev->window);
+        if (c != NULL && c->frame != None) {
+            int direction = 0;
+            if (decorations_hit_test_resize_area(c, ev->x, ev->y, &direction)) {
+                XDefineCursor(dwn->display, c->frame, cursor_for_direction(direction));
+            } else if (decorations_hit_test_title_bar(c, ev->x, ev->y)) {
+                XDefineCursor(dwn->display, c->frame, dwn->cursor_move);
+            } else {
+                XDefineCursor(dwn->display, c->frame, dwn->cursor_default);
+            }
+        }
         return;
     }
 
@@ -986,8 +1063,18 @@ int dwn_init(void)
                  StructureNotifyMask | PropertyChangeMask |
                  ButtonPressMask | PointerMotionMask);
 
-    Cursor cursor = XCreateFontCursor(dwn->display, XC_left_ptr);
-    XDefineCursor(dwn->display, dwn->root, cursor);
+    dwn->cursor_default = XCreateFontCursor(dwn->display, XC_left_ptr);
+    dwn->cursor_resize_top_left = XCreateFontCursor(dwn->display, XC_top_left_corner);
+    dwn->cursor_resize_top_right = XCreateFontCursor(dwn->display, XC_top_right_corner);
+    dwn->cursor_resize_bottom_left = XCreateFontCursor(dwn->display, XC_bottom_left_corner);
+    dwn->cursor_resize_bottom_right = XCreateFontCursor(dwn->display, XC_bottom_right_corner);
+    dwn->cursor_resize_left = XCreateFontCursor(dwn->display, XC_left_side);
+    dwn->cursor_resize_right = XCreateFontCursor(dwn->display, XC_right_side);
+    dwn->cursor_resize_top = XCreateFontCursor(dwn->display, XC_top_side);
+    dwn->cursor_resize_bottom = XCreateFontCursor(dwn->display, XC_bottom_side);
+    dwn->cursor_move = XCreateFontCursor(dwn->display, XC_fleur);
+
+    XDefineCursor(dwn->display, dwn->root, dwn->cursor_default);
 
     scan_existing_windows();
 
@@ -1055,6 +1142,17 @@ void dwn_cleanup(void)
     }
 
     if (dwn->display != NULL) {
+        if (dwn->cursor_default) XFreeCursor(dwn->display, dwn->cursor_default);
+        if (dwn->cursor_resize_top_left) XFreeCursor(dwn->display, dwn->cursor_resize_top_left);
+        if (dwn->cursor_resize_top_right) XFreeCursor(dwn->display, dwn->cursor_resize_top_right);
+        if (dwn->cursor_resize_bottom_left) XFreeCursor(dwn->display, dwn->cursor_resize_bottom_left);
+        if (dwn->cursor_resize_bottom_right) XFreeCursor(dwn->display, dwn->cursor_resize_bottom_right);
+        if (dwn->cursor_resize_left) XFreeCursor(dwn->display, dwn->cursor_resize_left);
+        if (dwn->cursor_resize_right) XFreeCursor(dwn->display, dwn->cursor_resize_right);
+        if (dwn->cursor_resize_top) XFreeCursor(dwn->display, dwn->cursor_resize_top);
+        if (dwn->cursor_resize_bottom) XFreeCursor(dwn->display, dwn->cursor_resize_bottom);
+        if (dwn->cursor_move) XFreeCursor(dwn->display, dwn->cursor_move);
+
         XCloseDisplay(dwn->display);
     }
 

src/panel.c

@@ -405,24 +405,27 @@ void panel_render(Panel *panel)
         x += width + WIDGET_SPACING;
 
         panel_render_layout_indicator(panel, x, &width);
-        x += width + WIDGET_SPACING;
-
-        panel_render_taskbar(panel, x, &width);
+        int taskbar_start = x + width + WIDGET_SPACING;
 
         int systray_actual_width = systray_get_width();
         int systray_x = panel->width - systray_actual_width - PANEL_PADDING;
-        
-        /* Render fade controls before systray */
+
         int fade_width = fade_controls_get_width();
         int fade_x = systray_x - fade_width - WIDGET_SPACING;
-        fade_controls_render(panel, fade_x);
-        
-        systray_render(panel, systray_x, &width);
+
+        int ai_x = 0;
+        if (dwn->ai_enabled) {
+            int ai_width = panel_text_width("[AI]", 4);
+            ai_x = fade_x - ai_width - WIDGET_SPACING;
+        }
+
+        panel_render_taskbar(panel, taskbar_start, &width);
 
         if (dwn->ai_enabled) {
-            int ai_x = systray_x - 60;
             panel_render_ai_status(panel, ai_x, &width);
         }
+        fade_controls_render(panel, fade_x);
+        systray_render(panel, systray_x, &width);
     } else {
 
         int date_width = 0;
@@ -535,8 +538,14 @@ void panel_render_taskbar(Panel *panel, int x, int *width)
 
     int current_x = x;
     int systray_actual_width = systray_get_width();
-    int ai_width = dwn->ai_enabled ? 60 : 0;
-    int right_reserve = systray_actual_width + ai_width + PANEL_PADDING * 2;
+    int fade_width = fade_controls_get_width();
+    int ai_width = 0;
+    if (dwn->ai_enabled) {
+        ai_width = panel_text_width("[AI]", 4);
+    }
+    int right_reserve = PANEL_PADDING + systray_actual_width + WIDGET_SPACING
+                      + fade_width + WIDGET_SPACING
+                      + (ai_width > 0 ? ai_width + WIDGET_SPACING : 0);
     int available_width = panel->width - x - right_reserve;
     if (available_width < 0) available_width = 0;
     int item_count = 0;
@@ -790,8 +799,14 @@ Client *panel_hit_test_taskbar(Panel *panel, int x, int y)
     }
 
     int systray_actual_width = systray_get_width();
-    int ai_width = dwn->ai_enabled ? 60 : 0;
-    int right_reserve = systray_actual_width + ai_width + PANEL_PADDING * 2;
+    int fade_width = fade_controls_get_width();
+    int ai_width = 0;
+    if (dwn->ai_enabled) {
+        ai_width = panel_text_width("[AI]", 4);
+    }
+    int right_reserve = PANEL_PADDING + systray_actual_width + WIDGET_SPACING
+                      + fade_width + WIDGET_SPACING
+                      + (ai_width > 0 ? ai_width + WIDGET_SPACING : 0);
     int available_width = panel->width - taskbar_start - right_reserve;
     if (available_width < 0) available_width = 0;
     int item_count = 0;

src/systray.c

@@ -1371,21 +1371,37 @@ void fade_controls_render(Panel *panel, int x)
 
 int fade_controls_get_width(void)
 {
-    /* Calculate approximate width for both controls */
-    return 80; /* Approximate width for "S:0.5 I:100%" + spacing */
+    float speed = config_get_fade_speed();
+    char speed_label[16];
+    snprintf(speed_label, sizeof(speed_label), "S:%.1f", speed);
+
+    float intensity = config_get_fade_intensity();
+    char intensity_label[16];
+    snprintf(intensity_label, sizeof(intensity_label), "I:%d%%", (int)(intensity * 100));
+
+    return get_text_width(speed_label) + SYSTRAY_SPACING + get_text_width(intensity_label);
 }
 
 int fade_controls_hit_test(int x)
 {
-    /* Check if x position hits any fade control icon */
-    /* Return 1 for speed, 2 for intensity, 0 for none */
-    
-    if (x >= fade_speed_icon_x && x < fade_speed_icon_x + 40) {
-        return 1;  /* Speed control */
+    float speed = config_get_fade_speed();
+    char speed_label[16];
+    snprintf(speed_label, sizeof(speed_label), "S:%.1f", speed);
+    int speed_width = get_text_width(speed_label);
+
+    if (x >= fade_speed_icon_x && x < fade_speed_icon_x + speed_width) {
+        return 1;
     }
-    if (x >= fade_intensity_icon_x && x < fade_intensity_icon_x + 50) {
-        return 2;  /* Intensity control */
+
+    float intensity = config_get_fade_intensity();
+    char intensity_label[16];
+    snprintf(intensity_label, sizeof(intensity_label), "I:%d%%", (int)(intensity * 100));
+    int intensity_width = get_text_width(intensity_label);
+
+    if (x >= fade_intensity_icon_x && x < fade_intensity_icon_x + intensity_width) {
+        return 2;
     }
+
     return 0;
 }