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[ui] fix flickering of Status and Info fields

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* Closes #634
This commit is contained in:
Pete Batard 2016-02-23 11:21:36 +00:00
parent 3a266d92a7
commit 0e65b1c920
5 changed files with 56 additions and 14 deletions
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54
src/localization.c
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@ -418,16 +418,58 @@ char* lmprintf(uint32_t msg_id, ...)
#define MSG_INFO 1
#define MSG_LOW_PRI 0
#define MSG_HIGH_PRI 1
// Minimum delay between Info and Status message refreshes, in ms
#define MSG_DELAY 50
char szMessage[2][2][MSG_LEN] = { {"", ""}, {"", ""} };
char* szStatusMessage = szMessage[MSG_STATUS][MSG_HIGH_PRI];
static BOOL bStatusTimerArmed = FALSE;
static BOOL bStatusTimerArmed = FALSE, bOutputTimerArmed[2] = { FALSE, FALSE };
static char *output_msg[2];
static uint64_t last_msg_time[2] = { 0, 0 };
static void __inline OutputMessage(BOOL info, char* msg)
static void PrintInfoMessage(char* msg) {
SetWindowTextU(hInfo, msg);
}
static void PrintStatusMessage(char* msg) {
SendMessageLU(hStatus, SB_SETTEXTW, SBT_OWNERDRAW | SB_SECTION_LEFT, msg);
}
typedef void PRINT_FUNCTION(char*);
PRINT_FUNCTION *PrintMessage[2] = { PrintInfoMessage, PrintStatusMessage };
/*
* The following timer call is used, along with MSG_DELAY, to prevent obnoxious flicker
* on the Info and Status fields due to messages being updated too quickly.
*/
static void CALLBACK OutputMessageTimeout(HWND hWnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
{
if (info)
SetWindowTextU(hInfo, msg);
else
SendMessageLU(hStatus, SB_SETTEXTW, SBT_OWNERDRAW | SB_SECTION_LEFT, msg);
int i = (idEvent == TID_OUTPUT_INFO)? 0 : 1;
KillTimer(hMainDialog, idEvent);
bOutputTimerArmed[i] = FALSE;
PrintMessage[i](output_msg[i]);
last_msg_time[i] = GetTickCount64();
}
static void OutputMessage(BOOL info, char* msg)
{
uint64_t delta;
int i = info ? 0 : 1;
if (bOutputTimerArmed[i]) {
// Already have a delayed message going - just change that message to latest
output_msg[i] = msg;
} else {
// Find if we need to arm a timer
delta = GetTickCount64() - last_msg_time[i];
if (delta < MSG_DELAY) {
// Not enough time has elapsed since our last output => arm a timer
output_msg[i] = msg;
SetTimer(hMainDialog, TID_OUTPUT_INFO + i, (UINT)(MSG_DELAY - delta), OutputMessageTimeout);
bOutputTimerArmed[i] = TRUE;
} else {
PrintMessage[i](msg);
last_msg_time[i] = GetTickCount64();
}
}
}
static void CALLBACK PrintMessageTimeout(HWND hWnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)