Initial working text-mode GUI framework.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 480

1 files changed, 69 insertions, 0 deletions

diff --git a/textscreen/txt_button.c b/textscreen/txt_button.c
new file mode 100644
index 00000000..93af5297
--- /dev/null
+++ b/textscreen/txt_button.c
@@ -0,0 +1,69 @@
+
+#include <string.h>
+
+#include "txt_button.h"
+#include "txt_io.h"
+#include "txt_main.h"
+#include "txt_widget.h"
+#include "txt_window.h"
+
+static int TXT_ButtonSizeCalc(txt_widget_t *widget)
+{
+    txt_button_t *button = (txt_button_t *) widget;
+
+    // Minimum width is the string length + two spaces for padding
+
+    return strlen(button->label) + 2;
+}
+
+static void TXT_ButtonDrawer(txt_widget_t *widget, int w, int selected)
+{
+    txt_button_t *button = (txt_button_t *) widget;
+    int i;
+
+    TXT_BGColor(TXT_COLOR_BLUE, 0);
+    TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
+    TXT_PutChar(' ');
+
+    if (selected)
+    {
+        TXT_BGColor(TXT_COLOR_GREY, 0);
+    }
+
+    for (i=0; i<strlen(button->label); ++i)
+    {
+        TXT_PutChar(button->label[i]);
+    }
+    
+    for (i=strlen(button->label); i < w-2; ++i)
+    {
+        TXT_PutChar(' ');
+    }
+}
+
+static void TXT_ButtonDestructor(txt_widget_t *widget)
+{
+    txt_button_t *button = (txt_button_t *) widget;
+
+    free(button->label);
+}
+
+txt_widget_class_t txt_button_class =
+{
+    TXT_ButtonSizeCalc,
+    TXT_ButtonDrawer,
+    TXT_ButtonDestructor,
+};
+
+txt_button_t *TXT_NewButton(char *label)
+{
+    txt_button_t *button;
+
+    button = malloc(sizeof(txt_button_t));
+
+    button->widget.widget_class = &txt_button_class;
+    button->label = strdup(label);
+
+    return button;
+}
+