feat: add system monitor feature with panel toggle and event handling

build/main.d

@@ -21,7 +21,7 @@ build/main.o: src/main.c include/dwn.h include/config.h include/dwn.h \
  /usr/include/dbus-1.0/dbus/dbus-threads.h include/systray.h \
  include/news.h include/applauncher.h include/ai.h include/autostart.h \
  include/services.h include/api.h include/demo.h include/screenshot.h \
- include/ocr.h include/util.h
+ include/ocr.h include/sysmon.h include/util.h
 include/dwn.h:
 include/config.h:
 include/dwn.h:
@@ -61,4 +61,5 @@ include/api.h:
 include/demo.h:
 include/screenshot.h:
 include/ocr.h:
+include/sysmon.h:
 include/util.h:

include/dwn.h

@@ -107,6 +107,7 @@ typedef struct Workspace Workspace;
 typedef struct Monitor Monitor;
 typedef struct Panel Panel;
 typedef struct Config Config;
+typedef struct SystemMonitor SystemMonitor;
 
 struct Client {
     Window window;
@@ -176,6 +177,8 @@ typedef struct {
     Panel *top_panel;
     Panel *bottom_panel;
 
+    SystemMonitor *sysmon;
+
     Config *config;
 
     bool running;

src/main.c

@@ -24,6 +24,7 @@
 #include "demo.h"
 #include "screenshot.h"
 #include "ocr.h"
+#include "sysmon.h"
 #include "util.h"
 
 #include <stdio.h>
@@ -343,7 +344,12 @@ static void handle_map_request(XMapRequestEvent *ev)
         return;
     }
 
-    client_manage(ev->window);
+    SystemMonitor *sysmon = sysmon_find_by_window(ev->window);
+    Client *client = client_manage(ev->window);
+    
+    if (sysmon != NULL && client != NULL) {
+        sysmon_set_client(sysmon, client);
+    }
 }
 
 static void handle_unmap_notify(XUnmapEvent *ev)
@@ -458,6 +464,10 @@ static void handle_expose(XExposeEvent *ev)
         return;
     }
 
+    if (dwn->sysmon != NULL) {
+        sysmon_render(dwn->sysmon);
+    }
+
     if (dwn->top_panel != NULL && ev->window == dwn->top_panel->window) {
         panel_render(dwn->top_panel);
         return;
@@ -529,6 +539,10 @@ static void handle_button_press(XButtonEvent *ev)
         return;
     }
 
+    if (dwn->sysmon != NULL) {
+        sysmon_handle_event(dwn->sysmon, (XEvent *)ev);
+    }
+
     if (volume_slider != NULL && volume_slider->visible) {
         if (ev->window == volume_slider->window) {
             volume_slider_handle_click(volume_slider, ev->x, ev->y);
@@ -565,6 +579,11 @@ static void handle_button_press(XButtonEvent *ev)
     }
 
     if (is_client_window) {
+        SystemMonitor *sysmon = sysmon_find_by_window(ev->window);
+        if (sysmon != NULL) {
+            sysmon_handle_event(sysmon, (XEvent *)ev);
+            return;
+        }
         XAllowEvents(dwn->display, ReplayPointer, ev->time);
         client_focus(c, true);
         return;
@@ -648,6 +667,12 @@ static void handle_motion_notify(XMotionEvent *ev)
         return;
     }
 
+    SystemMonitor *sysmon = sysmon_find_by_window(ev->window);
+    if (sysmon != NULL) {
+        sysmon_handle_event(sysmon, (XEvent *)ev);
+        return;
+    }
+
     if (volume_slider != NULL && volume_slider->visible && ev->window == volume_slider->window) {
         volume_slider_handle_motion(volume_slider, ev->x, ev->y);
         return;
@@ -920,6 +945,8 @@ int dwn_init(void)
 
     panels_init();
 
+    dwn->sysmon = sysmon_create();
+
     systray_init();
 
     xembed_init();
@@ -992,6 +1019,12 @@ void dwn_cleanup(void)
     keys_cleanup();
     xembed_cleanup();
     systray_cleanup();
+    
+    if (dwn->sysmon != NULL) {
+        sysmon_destroy(dwn->sysmon);
+        dwn->sysmon = NULL;
+    }
+    
     panels_cleanup();
     decorations_cleanup();
     workspace_cleanup();
@@ -1112,6 +1145,11 @@ void dwn_run(void)
             panel_update_clock();
             panel_update_system_stats();
             systray_update();
+            
+            if (dwn->sysmon != NULL) {
+                sysmon_update(dwn->sysmon);
+            }
+            
             last_clock_update = now;
         }
 

src/panel.c

@@ -717,6 +717,36 @@ void panel_handle_click(Panel *panel, int x, int y, int button)
             return;
         }
     } else if (panel->position == PANEL_BOTTOM) {
+        int clock_width = panel_text_width(clock_buffer, strlen(clock_buffer));
+        int stats_width = panel_calculate_stats_width();
+        int stats_x = panel->width - clock_width - stats_width - PANEL_PADDING - WIDGET_SPACING;
+        int stats_end_x = stats_x + stats_width;
+        
+        if (x >= stats_x && x <= stats_end_x && button == 1) {
+            extern SystemMonitor *sysmon_get_instance(void);
+            SystemMonitor *mon = sysmon_get_instance();
+            if (mon != NULL) {
+                extern void sysmon_toggle(SystemMonitor *mon);
+                sysmon_toggle(mon);
+            }
+            return;
+        }
+        
+        int date_width = panel_text_width(date_buffer, strlen(date_buffer));
+        int top_proc_x = PANEL_PADDING + date_width + WIDGET_SPACING;
+        int top_proc_width = TOP_PROCESS_WIDGET_WIDTH;
+        int top_proc_end_x = top_proc_x + top_proc_width;
+        
+        if (x >= top_proc_x && x <= top_proc_end_x && button == 1) {
+            extern SystemMonitor *sysmon_get_instance(void);
+            SystemMonitor *mon = sysmon_get_instance();
+            if (mon != NULL) {
+                extern void sysmon_toggle(SystemMonitor *mon);
+                sysmon_toggle(mon);
+            }
+            return;
+        }
+        
         if (button == 1) {
             news_handle_click(x, y);
         }