graphics!

2 files changed, 144 insertions, 0 deletions

diff --git a/src/user/popups/info.c b/src/user/popups/info.c
new file mode 100644
index 0000000..81a09e9
--- /dev/null
+++ b/src/user/popups/info.c
@@ -0,0 +1,99 @@
+#include <popups/popup.h>
+
+#include <libfont/fonts.h>
+
+#include <knob/format.h>
+#include <knob/heap.h>
+
+#include <stdint.h>
+#include <stdarg.h>
+
+#define BORDER_SIZE 2
+//includes border
+#define PADDING 8
+#define FONT "berry"
+
+#define BORDER_COLOR 0x10
+#define BG_COLOR 0x07
+#define FG_COlOR 0x10
+
+static const struct font_info *info_font = 0;
+
+static const struct key_packet info_quits[] = {
+  { .key_id = KEY_ESCAPE, .modifiers = NO_MODS },
+  { .key_id = 0 }
+};
+
+void info_popup(struct popup *into, const char *msg, uint8_t fg, uint8_t bg) {
+  if (!info_font)
+    info_font = get_font(FONT);
+
+  uint32_t w = 0, h = 1, lw = 0;
+  for (const char *i = msg; *i; ++i)
+    if (*i == '\n') {
+      ++h;
+      if (lw > w)
+        w = lw;
+      lw = 0;
+    }
+    else
+      ++lw;
+  if (lw > w)
+    w = lw;
+
+  into->has_quit = false;
+  into->quit_binds = (struct key_packet *)info_quits;
+  into->free_quit_binds = false;
+
+  const uint32_t pitch  = info_font->space_width  * w + 2 * PADDING;
+  const uint32_t height = info_font->space_height * h + 2 * PADDING;
+
+  uint8_t *const pixbuf = get_block(pitch * height);
+
+  for (uint32_t i = 0; i < pitch * BORDER_SIZE; ++i)
+    pixbuf[i] = BORDER_COLOR;
+  for (uint32_t y = BORDER_SIZE; y < height - BORDER_SIZE; ++y) {
+    for (uint32_t x = 0; x < BORDER_SIZE; ++x)
+      pixbuf[y * pitch + x] = BORDER_COLOR;
+    for (uint32_t x = pitch - BORDER_SIZE; x < pitch; ++x)
+      pixbuf[y * pitch + x] = BORDER_COLOR;
+  }
+  for (uint32_t i = 0; i < pitch * BORDER_SIZE; ++i)
+    pixbuf[(height - BORDER_SIZE) * pitch + i] = BORDER_COLOR;
+
+  for (uint32_t y = BORDER_SIZE; y < height - BORDER_SIZE; ++y)
+    for (uint32_t x = BORDER_SIZE; x < pitch - BORDER_SIZE; ++x)
+      pixbuf[y * pitch + x] = BG_COLOR;
+
+  uint32_t my = 0;
+  uint32_t mx = 0;
+  --msg;
+  while (*++msg) {
+    if (*msg == '\n') {
+      ++my;
+      mx = 0;
+    }
+    else {
+    //syslogf("calling put_char(0x%x, '%c', pixbuf + %u, %u, 0x%2x, 0x%2x)", info_font, *msg,
+    //  (my * info_font->space_height + PADDING) * pitch + mx * info_font->space_width + PADDING,
+    //  pitch, BG_COLOR, FG_COlOR);
+      put_char(info_font, *msg, pixbuf + (my * info_font->space_height + PADDING) * pitch + mx++ * info_font->space_width + PADDING, pitch, BG_COLOR, FG_COlOR);
+    }
+  }
+
+  into->pixbuf = pixbuf;
+  into->handle = _new_window(pitch, height, pixbuf);
+}
+
+void info_popupf_v(struct popup *into, const char *text, uint8_t fg, uint8_t bg, va_list args) {
+  char *const msg = format_v(text, args);
+  info_popup(into, msg, fg, bg);
+  free_block(msg);
+}
+
+void info_popupf(struct popup *into, const char *text, uint8_t fg, uint8_t bg, ...) {
+  va_list args;
+  va_start(args, bg);
+  info_popupf_v(into, text, fg, bg, args);
+  va_end(args);
+}
\ No newline at end of file
diff --git a/src/user/popups/popup.c b/src/user/popups/popup.c
new file mode 100644
index 0000000..d214f81
--- /dev/null
+++ b/src/user/popups/popup.c
@@ -0,0 +1,45 @@
+#include <popups/popup.h>
+
+#include <knob/format.h>
+#include <knob/heap.h>
+
+#include <pland/syscall.h>
+
+void handle_actions(struct popup *p) {
+  if (p->has_quit)
+    return;
+  struct window_action a;
+  while (1) {
+    _get_win_action(p->handle, &a);
+    if (a.action_type == NOT_READY)
+      return;
+    if ((a.action_type == KEY_DOWN)) {
+    //syslogf("got key 0x%2x, 0x%3x", a.as_key.key_id, a.as_key.modifiers);
+      for (const struct key_packet *kp = p->quit_binds; kp->key_id; ++kp) {
+      //syslogf("checking against 0x%2x, 0x%3x", kp->key_id, kp->modifiers);
+        if ((a.as_key.key_id == kp->key_id) && (a.as_key.modifiers == kp->modifiers)) {
+          p->has_quit = true;
+          p->quit_as = a.as_key;
+          return;
+        }
+      }
+    }
+  }
+}
+
+void delete_popup(struct popup *p) {
+  _delete_window(p->handle);
+  free_block(p->pixbuf);
+  if (p->free_quit_binds)
+    free_block(p->quit_binds);
+}
+
+void make_modal(struct popup *p) {
+  handle_actions(p);
+  while (!p->has_quit) {
+    _wait_for_action();
+    _yield_task();
+    handle_actions(p);
+  }
+  delete_popup(p);
+}
\ No newline at end of file