ccmake: Add VIM-like bindings for navigation

* scroll with j/k
* toggle bool with space, enter insert mode with i
* bindings not shown at the bottom of the screen, but given in help
This commit is contained in:
Paul Seyfert 2016-07-21 21:30:50 +02:00 committed by Brad King
parent 9a1b6c6037
commit e34e9c2705
4 changed files with 27 additions and 12 deletions

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@ -0,0 +1,4 @@
ccmake-vim-navigation
---------------------
* :manual:`ccmake(1)` learned to support vim-like navigation bindings.

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@ -27,8 +27,9 @@ cmCursesBoolWidget::cmCursesBoolWidget(int width, int height, int left,
bool cmCursesBoolWidget::HandleInput(int& key, cmCursesMainForm*, WINDOW* w)
{
// toggle boolean values with enter or space
// 10 == enter
if (key == 10 || key == KEY_ENTER) {
if (key == 10 || key == KEY_ENTER || key == ' ') {
if (this->GetValueAsBool()) {
this->SetValueAsBool(false);
} else {

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@ -837,7 +837,9 @@ void cmCursesMainForm::HandleInput()
// therefore, the label field for the prev. entry is index-5
// and the label field for the next entry is index+1
// (index always corresponds to the value field)
else if (key == KEY_DOWN || key == ctrl('n')) {
// scroll down with arrow down, ctrl+n (emacs binding), or j (vim
// binding)
else if (key == KEY_DOWN || key == ctrl('n') || key == 'j') {
FIELD* cur = current_field(this->Form);
size_t findex = field_index(cur);
if (findex == 3 * this->NumberOfVisibleEntries - 1) {
@ -854,7 +856,8 @@ void cmCursesMainForm::HandleInput()
// therefore, the label field for the prev. entry is index-5
// and the label field for the next entry is index+1
// (index always corresponds to the value field)
else if (key == KEY_UP || key == ctrl('p')) {
// scroll down with arrow up, ctrl+p (emacs binding), or k (vim binding)
else if (key == KEY_UP || key == ctrl('p') || key == 'k') {
FIELD* cur = current_field(this->Form);
int findex = field_index(cur);
if (findex == 2) {
@ -1122,16 +1125,17 @@ const char* cmCursesMainForm::s_ConstHelpMessage =
"Navigation: "
"You can use the arrow keys and page up, down to navigate the options. "
"Alternatively, you can use the following keys: \n"
" C-n : next option\n"
" C-p : previous options\n"
" C-n or j : next option\n"
" C-p or k : previous options\n"
" C-d : down one page\n"
" C-u : up one page\n\n"
"Editing options: "
"To change an option press enter or return. If the current options is a "
"boolean, this will toggle its value. "
"Otherwise, ccmake will enter edit mode. In this mode you can edit an "
"option using arrow keys and backspace. Alternatively, you can use the "
"following keys:\n"
"Otherwise, ccmake will enter edit mode. Alternatively, you can toggle "
"a bool variable by pressing space, and enter edit mode with i."
"In this mode you can edit an option using arrow keys and backspace. "
"Alternatively, you can use the following keys:\n"
" C-b : back one character\n"
" C-f : forward one character\n"
" C-a : go to the beginning of the field\n"

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@ -67,8 +67,10 @@ bool cmCursesStringWidget::HandleInput(int& key, cmCursesMainForm* fm,
int x, y;
FORM* form = fm->GetForm();
// when not in edit mode, edit mode is entered by pressing enter or i (vim
// binding)
// 10 == enter
if (!this->InEdit && (key != 10 && key != KEY_ENTER)) {
if (!this->InEdit && (key != 10 && key != KEY_ENTER && key != 'i')) {
return false;
}
@ -97,11 +99,15 @@ bool cmCursesStringWidget::HandleInput(int& key, cmCursesMainForm* fm,
}
// If resize occurred during edit, move out of edit mode
if (!this->InEdit && (key != 10 && key != KEY_ENTER)) {
if (!this->InEdit && (key != 10 && key != KEY_ENTER && key != 'i')) {
return false;
}
// 10 == enter
if (key == 10 || key == KEY_ENTER) {
// enter edit with return and i (vim binding)
if (!this->InEdit && (key == 10 || key == KEY_ENTER || key == 'i')) {
this->OnReturn(fm, w);
}
// leave edit with return (but not i -- not a toggle)
else if (this->InEdit && (key == 10 || key == KEY_ENTER)) {
this->OnReturn(fm, w);
} else if (key == KEY_DOWN || key == ctrl('n') || key == KEY_UP ||
key == ctrl('p') || key == KEY_NPAGE || key == ctrl('d') ||