squash

example/ask.c

@@ -0,0 +1,50 @@
+// Display a yes/no dialog with a message. Returns with 0 when yes was clicked.
+// syntax: ./ask "message"
+
+#include "../tim.h"
+
+// colors
+#define CTXT 0xf     // text   black, white
+#define CFR  0x8     // frame  black, gray
+#define CYES 0xa000f // yes    green, black, white
+#define CNO  0x9000f // no     red, black  white
+
+int main(int argc, char** argv) {
+    if (argc < 2 || strcmp(argv[1], "-h") == 0) {
+        printf("syntax: %s message\n", argv[0]);
+        exit(1);
+    }
+
+    // get text properties
+    struct text msg = scan_str(argv[1]);
+
+    while (tim_run(0)) {
+        // calculate size of message box
+        int w = MAX(msg.width + 4, 24);
+        int h = MAX(msg.lines + 6, 7);
+
+        scope (A, A, w, h) {
+            // draw frame around entire scope
+            frame(0, 0, ~0, ~0, CFR);
+
+            // draw message
+            label(argv[1], A, 1, msg.width, msg.lines, CTXT);
+
+            // draw 'yes' button, return 0 when clicked
+            if (button("Yes", 2, ~1, A, A, CYES)) {
+                exit(0);
+            }
+
+            // draw 'no' button, return 1 when clicked
+            if (button("No ", ~2, ~1, A, A, CNO)) {
+                exit(1);
+            }
+
+            // return with 1 when q or esc is pressed
+            if (is_key_press('q') || is_key_press(ESCAPE_KEY)) {
+                exit(1);
+            }
+        }
+    }
+}
+