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authorJoursoir <chat@joursoir.net>2021-12-11 21:50:16 +0300
committerJoursoir <chat@joursoir.net>2021-12-11 21:50:16 +0300
commitd7eaae0e2c816c0727ba0a1a5e497a934e0289b6 (patch)
treeef99720ae3c24a521f82a9dc4c17354ac1fcc0ce /Library/UefiShellUfmCommandLib/dialog-box.c
parentdac697aebc8a5c680daf8bf35ce350ae994d03e4 (diff)
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dialog-box: make handling keyboard actions and highlighting of widgets
Diffstat (limited to 'Library/UefiShellUfmCommandLib/dialog-box.c')
-rw-r--r--Library/UefiShellUfmCommandLib/dialog-box.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/Library/UefiShellUfmCommandLib/dialog-box.c b/Library/UefiShellUfmCommandLib/dialog-box.c
index 0da3fae..c6cbe62 100644
--- a/Library/UefiShellUfmCommandLib/dialog-box.c
+++ b/Library/UefiShellUfmCommandLib/dialog-box.c
@@ -6,10 +6,40 @@
#define COLOR_WHITE_CYAN (EFI_TEXT_ATTR(EFI_WHITE, EFI_CYAN))
#define COLOR_WHITE_LIGHTGRAY (EFI_TEXT_ATTR(EFI_WHITE, EFI_LIGHTGRAY))
+#define HIGHLIGHT(w, active) \
+ whline(w, 0, 0, 0, active ? COLOR_WHITE_CYAN : COLOR_WHITE_LIGHTGRAY, 0)
CONST CHAR16 ok_button_msg[] = L"[ OK ]";
CONST CHAR16 cl_button_msg[] = L"[ Cancel ]";
+STATIC VOID highlight_widget(struct dbox_ctx *dbox, enum dbox_widgets wid, BOOLEAN active)
+{
+ if(wid == DBOX_OK_BUTTON) {
+ HIGHLIGHT(dbox->wok, active);
+ wrefresh(dbox->wok);
+ }
+ else if(wid == DBOX_CL_BUTTON) {
+ HIGHLIGHT(dbox->wcl, active);
+ wrefresh(dbox->wcl);
+ }
+ else if(wid == DBOX_INPUT_BOX)
+ input_update(dbox->in);
+}
+
+STATIC VOID set_active_widget(struct dbox_ctx *dbox, enum dbox_widgets wid)
+{
+ enum dbox_widgets extreme_val = dbox->in ? DBOX_END_WID : DBOX_INPUT_BOX;
+
+ if(wid <= DBOX_START_WID)
+ wid = extreme_val - 1;
+ else if(wid >= extreme_val)
+ wid = DBOX_START_WID + 1;
+
+ highlight_widget(dbox, dbox->active_widget, FALSE);
+ dbox->active_widget = wid;
+ highlight_widget(dbox, dbox->active_widget, TRUE);
+}
+
struct dbox_ctx *dbox_alloc(struct screen *scr, CONST CHAR16 *title,
CONST CHAR16 *label, BOOLEAN wid_input, CONST CHAR16 *input_text)
{
@@ -54,11 +84,13 @@ struct dbox_ctx *dbox_alloc(struct screen *scr, CONST CHAR16 *title,
if(!dbox->wok)
break;
mvwprintf(dbox->wok, 0, 0, ok_button_msg);
+ HIGHLIGHT(dbox->wok, !wid_input);
dbox->wcl = newwin(scr, len_cl, 1, start_ok + 1 + len_ok, start_y + dbox_height - 2);
if(!dbox->wcl)
break;
mvwprintf(dbox->wcl, 0, 0, cl_button_msg);
+ HIGHLIGHT(dbox->wcl, FALSE);
for(y = 0; y < dbox_height; y++)
whline(dbox->wbg, 0, y, 0, COLOR_WHITE_LIGHTGRAY, 0);
@@ -91,6 +123,32 @@ VOID dbox_release(struct dbox_ctx *dbox)
FreePool(dbox);
}
+BOOLEAN dbox_handle(struct dbox_ctx *dbox)
+{
+ EFI_INPUT_KEY key;
+
+ set_active_widget(dbox, dbox->in ? DBOX_INPUT_BOX : DBOX_OK_BUTTON);
+ for(;;)
+ {
+ key = wgetch(dbox->wbg);
+
+ if(key.ScanCode == SCAN_ESC)
+ return FALSE;
+ else if(key.ScanCode == SCAN_UP)
+ set_active_widget(dbox, dbox->active_widget - 1);
+ else if(key.ScanCode == SCAN_DOWN)
+ set_active_widget(dbox, dbox->active_widget + 1);
+ else if(key.UnicodeChar == CHAR_LINEFEED || key.UnicodeChar == CHAR_CARRIAGE_RETURN) {
+ if(dbox->active_widget == DBOX_CL_BUTTON)
+ return FALSE;
+
+ return TRUE;
+ }
+ else if(dbox->active_widget == DBOX_INPUT_BOX)
+ input_handle_char(dbox->in, key);
+ }
+}
+
VOID dbox_refresh(struct dbox_ctx *dbox)
{
wrefresh(dbox->wbg);