win+space, mkpopup

1 files changed, 39 insertions, 3 deletions

diff --git a/src/kernel/window.c b/src/kernel/window.c
index 80780d4..c251077 100644
--- a/src/kernel/window.c
+++ b/src/kernel/window.c
@@ -1,9 +1,11 @@
 #include "paging.h"
 #include "window.h"
 #include "drive.h"
+#include "panic.h"
 #include "task.h"
 #include "util.h"
 #include "pmap.h"
+#include "elf.h"
 #include "log.h"
 
 #define MAX_WINDOWS 64
@@ -91,7 +93,7 @@ static void paint_and_above(const struct window *w) {
   switch_to_task_cr3();
 }
 
-void paint_bg() {
+static void paint_bg() {
   for (uint16_t y = 0; y < SCREEN_HEIGHT; ++y)
     for (uint16_t x = 0; x < SCREEN_WIDTH; ++x)
       VGA_MEMORY[y * SCREEN_WIDTH + x] = BACKGROUND(x, y);
@@ -213,6 +215,8 @@ static void send_action(struct window *w, struct window_action packet) {
   }
 }
 
+#define RUN_COMMAND_FILE "sys/winspace.rc"
+
 enum wm_action {
   WM_SHUFFLE_UP,
   WM_SHUFFLE_DOWN,
@@ -220,6 +224,7 @@ enum wm_action {
   WM_MOVE_RIGHT,
   WM_MOVE_UP,
   WM_MOVE_DOWN,
+  WM_RUN_COMMAND,
 
   N_WM_ACTIONS
 };
@@ -230,7 +235,8 @@ static struct key_packet keybinds[] = {
   {.key_id = KEY_LEFT_ARROW,  .modifiers = WINS},
   {.key_id = KEY_RIGHT_ARROW, .modifiers = WINS},
   {.key_id = KEY_UP_ARROW,    .modifiers = WINS},
-  {.key_id = KEY_DOWN_ARROW,  .modifiers = WINS}
+  {.key_id = KEY_DOWN_ARROW,  .modifiers = WINS},
+  {.key_id = KEY_SPACE,       .modifiers = WINS}
 };
 
 static inline bool fuzzy_key_match(struct key_packet t, struct key_packet a) {
@@ -249,7 +255,33 @@ static inline bool fuzzy_key_match(struct key_packet t, struct key_packet a) {
   return a.modifiers == t.modifiers;
 }
 
-#include "log.h"
+static char *run_command;
+static char *run_command_pass = "";
+
+void init_win() {
+  paint_bg();
+
+  const file_id_t fid = drives->get_file(drives, RUN_COMMAND_FILE);
+  if (!fid)
+    PANIC("Couldn't open " RUN_COMMAND_FILE ".");
+
+  const uint32_t len = drives->get_file_length(drives, fid);
+  run_command = allocate_kernel_pages(len / 4096 + 1);
+  if (!run_command)
+    PANIC("Couldn't make buffer for " RUN_COMMAND_FILE " contents.");
+
+  fmcpy(run_command, drives, fid, 0, len);
+  run_command[len] = '\0';
+
+  drives->free_file(drives, fid);
+
+  for (char *c = run_command; *c; ++c)
+    if (*c == ' ') {
+      *c = '\0';
+      run_command_pass = c + 1;
+      break;
+    }
+}
 
 void on_action(struct window_action packet) {
 //logf(LOG_INFO, "Window action, top window = 0x%d from %s.", top_window, top_window->from_task->name);
@@ -305,6 +337,10 @@ void on_action(struct window_action packet) {
           case WM_MOVE_DOWN:
             ++top_window->ypos;
             paint_all();
+            break;
+          case WM_RUN_COMMAND:
+            if (!try_elf_run(drives, run_command, run_command_pass, 0))
+              PANIC("Couldn't run program listed in " RUN_COMMAND_FILE ".");
           }
           switch_to_task_cr3();
           return;