diff options
Diffstat (limited to 'plugins/dumb/dumb-kode54/studio/src/dumbmenu.c')
| -rw-r--r-- | plugins/dumb/dumb-kode54/studio/src/dumbmenu.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/plugins/dumb/dumb-kode54/studio/src/dumbmenu.c b/plugins/dumb/dumb-kode54/studio/src/dumbmenu.c new file mode 100644 index 00000000..609c70e2 --- /dev/null +++ b/plugins/dumb/dumb-kode54/studio/src/dumbmenu.c @@ -0,0 +1,191 @@ +#include <stdlib.h>
+#include <allegro.h>
+
+#include "main.h"
+#include "dumbgui.h"
+#include "guiproc.h"
+#include "subclip.h"
+#include "dumbmenu.h"
+
+
+
+static void gui_menu_create(GUI *gui, void *param)
+{
+ GUI_MENU_PARAM *menu = param;
+
+ GUI_MENU_DATA *data = gui->data = malloc(sizeof(*data));
+
+ if (!data)
+ return;
+
+ data->menu = menu;
+ data->sel = -1;
+ /* data->lastsel will be initialised by gui_menu_drawn(). */
+}
+
+
+
+static void gui_menu_destroy(GUI *gui)
+{
+ free(gui->data);
+}
+
+
+
+static void gui_menu_key(GUI *gui, int k)
+{
+ GUI_MENU_DATA *data = gui->data;
+
+ switch (k >> 8) {
+ case KEY_UP:
+ case KEY_8_PAD:
+ if (data->sel <= 0) data->sel = data->menu->n_entries;
+ data->sel--;
+ break;
+ case KEY_DOWN:
+ case KEY_2_PAD:
+ data->sel++;
+ if (data->sel >= data->menu->n_entries) data->sel = 0;
+ break;
+ case KEY_RIGHT:
+ case KEY_6_PAD:
+ case KEY_ENTER:
+ if (data->sel >= 0) {
+ GUI_MENU_ENTRY *entry = &data->menu->entry[data->sel];
+ if (k >> 8 != KEY_RIGHT || entry->text[0] == '\t')
+ (*entry->activator)(entry->param);
+ }
+ // To do: defer 'right' to parent menus, making sure it doesn't reopen the same submenu
+ break;
+ case KEY_ESC:
+ gui->flags |= GUI_FINISHED_WITH;
+ break;
+ }
+}
+
+
+
+static void gui_menu_update(GUI *gui)
+{
+ // Remove this function?
+ (void)gui;
+}
+
+
+
+typedef struct GUI_MENU_DRAW_ENTRY_DATA
+{
+ GUI *gui;
+ GUI_MENU_DATA *data;
+ int i, y;
+}
+GUI_MENU_DRAW_ENTRY_DATA;
+
+
+
+static void gui_menu_draw_entry_proc(void *data)
+{
+ GUI_MENU_DRAW_ENTRY_DATA *d = data;
+ char *text = d->data->menu->entry[d->i].text;
+
+ clear_to_color(screen, d->i == d->data->sel ? MENU_BG_FOCUS : MENU_BG);
+
+ if (text[0] == '\t') {
+ text++;
+ // Draw an arrow
+ }
+
+ textout(screen, dat[THE_FONT].dat, text, d->gui->x + BORDER_SIZE, d->y + BORDER_SIZE,
+ d->i == d->data->sel ? MENU_FG_FOCUS : MENU_FG);
+}
+
+
+
+static void gui_menu_draw(GUI *gui)
+{
+ GUI_MENU_DRAW_ENTRY_DATA d;
+ d.gui = gui;
+ d.data = gui->data;
+
+ if (gui->flags & GUI_MENU_REDRAW_ALL) {
+ // Redraw the whole menu
+ d.y = gui->y;
+ for (d.i = 0; d.i < d.data->menu->n_entries; d.i++) {
+ subclip(gui->x, d.y, gui->x + gui->w, d.y + TITLE_HEIGHT, &gui_menu_draw_entry_proc, &d);
+ d.y += TITLE_HEIGHT;
+ }
+ } else if (d.data->sel != d.data->lastsel) {
+ if (d.data->lastsel >= 0) {
+ // Redraw the 'lastsel' row
+ d.i = d.data->lastsel;
+ d.y = gui->y + d.i * TITLE_HEIGHT;
+ subclip(gui->x, d.y, gui->x + gui->w, d.y + TITLE_HEIGHT, &gui_menu_draw_entry_proc, &d);
+ }
+ if (d.data->sel >= 0) { // Necessary?
+ // Redraw the 'sel' row
+ d.i = d.data->sel;
+ d.y = gui->y + d.i * TITLE_HEIGHT;
+ subclip(gui->x, d.y, gui->x + gui->w, d.y + TITLE_HEIGHT, &gui_menu_draw_entry_proc, &d);
+ }
+ }
+}
+
+
+
+static void gui_menu_drawn(GUI *gui)
+{
+ GUI_MENU_DATA *data = gui->data;
+
+ gui->flags &= ~GUI_MENU_REDRAW_ALL;
+ data->lastsel = data->sel;
+}
+
+
+
+static void gui_menu_changed_all(GUI *gui)
+{
+ gui->flags |= GUI_MENU_REDRAW_ALL;
+}
+
+
+
+static void gui_menu_changed_active(GUI *gui)
+{
+ // Remove this function?
+ (void)gui;
+}
+
+
+
+GUI_COMMANDS gui_menu_commands = {
+ &gui_menu_create,
+ &gui_menu_destroy,
+ &gui_menu_key,
+ &gui_menu_update,
+ &gui_menu_draw,
+ &gui_menu_drawn,
+ &gui_menu_changed_all,
+ &gui_menu_changed_active
+};
+
+
+
+void gui_menu_get_size(GUI_MENU_PARAM *menu, int *w, int *h)
+{
+ int i;
+
+ *w = 2*BORDER_SIZE + TITLE_HEIGHT; /* A reasonable minimum width */
+ *h = 2*BORDER_SIZE;
+
+ for (i = 0; i < menu->n_entries; i++) {
+ char *text = menu->entry[i].text;
+ int wi = 2*BORDER_SIZE;
+ if (text[0] == '\t') {
+ text++;
+ wi += 10; // Fix this later
+ }
+ wi += text_length(dat[THE_FONT].dat, text);
+ if (wi > *w) *w = wi;
+ *h += TITLE_HEIGHT;
+ }
+}
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