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Calling curs_set() with the same value it already has seems to still

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trigger redraws sometimes, at least with PDCurses WinGui. Our
application currently controls showing the cursor, so let's just
remember if it's visible or not, and not call set_curs() again unless we
have to.
This commit is contained in:
casey langen 2020-11-17 21:04:53 -08:00
parent ff5217485f
commit 62db8015d2
2 changed files with 20 additions and 6 deletions
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24
src/musikcube/cursespp/Window.cpp
View File

@ -55,6 +55,7 @@ static bool drawPending = false;
static bool freeze = false; static bool freeze = false;
static Window* top = nullptr; static Window* top = nullptr;
static Window* focused = nullptr; static Window* focused = nullptr;
static bool cursorVisible = false;
static MessageQueue messageQueue; static MessageQueue messageQueue;
static std::shared_ptr<INavigationKeys> keys; static std::shared_ptr<INavigationKeys> keys;
@ -92,16 +93,29 @@ mention wbkgd() was changed, but it's unclear what exactly happened... */
static inline void DrawCursor(IInput* input) { static inline void DrawCursor(IInput* input) {
if (input) { if (input) {
Window* inputWindow = dynamic_cast<Window*>(input); const Window* inputWindow = dynamic_cast<Window*>(input);
if (inputWindow && inputWindow->GetContent()) { if (inputWindow && inputWindow->GetContent()) {
if (!cursorVisible) {
curs_set(1);
cursorVisible = true;
}
WINDOW* content = inputWindow->GetContent(); WINDOW* content = inputWindow->GetContent();
curs_set(1); if (content) {
wtimeout(content, IDLE_TIMEOUT_MS); wtimeout(content, IDLE_TIMEOUT_MS);
wmove(content, 0, (int) input->Position()); int currentX = 0, currentY = 0;
getyx(content, currentY, currentX);
int const targetY = 0, const targetX = (int) input->Position();
if (currentX != targetX || currentY != targetY) {
wmove(content, targetY, targetX);
}
}
return; return;
} }
} }
curs_set(0); if (cursorVisible) {
curs_set(0);
cursorVisible = false;
}
} }
static inline void DrawTooSmall() { static inline void DrawTooSmall() {

2
src/musikcube/cursespp/cursespp/Window.h
View File

@ -40,7 +40,7 @@
#include <musikcore/runtime/IMessageQueue.h> #include <musikcore/runtime/IMessageQueue.h>
#ifdef WIN32 #ifdef WIN32
#define IDLE_TIMEOUT_MS 5 #define IDLE_TIMEOUT_MS 0
#define REDRAW_DEBOUNCE_MS 100 #define REDRAW_DEBOUNCE_MS 100
#else #else
#define IDLE_TIMEOUT_MS 75 #define IDLE_TIMEOUT_MS 75