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Add uiSliderSetRange function to modify the uiSlider range after creation. 

Some applications need to modify the slider range at runtime.
Instead of re-creating a slider with a new range, provide a function
to modify the range of an existing uiSlider.
This commit is contained in:
Angelo Haller 2018-05-31 09:56:52 -05:00
parent 17486fd175
commit 82bf34abe4
4 changed files with 39 additions and 0 deletions
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12
darwin/slider.m
View File

@ -109,6 +109,18 @@ static void defaultOnChanged(uiSlider *s, void *data)
// do nothing
}
void uiSliderSetRange(uiSlider *s, int min, int max)
{
if (min >= max) {
int temp = min;
min = max;
max = temp;
}
[s->slider setMinValue:min];
[s->slider setMaxValue:max];
}
uiSlider *uiNewSlider(int min, int max)
{
uiSlider *s;

1
ui.h
View File

@ -210,6 +210,7 @@ typedef struct uiSlider uiSlider;
_UI_EXTERN int uiSliderValue(uiSlider *s);
_UI_EXTERN void uiSliderSetValue(uiSlider *s, int value);
_UI_EXTERN void uiSliderOnChanged(uiSlider *s, void (*f)(uiSlider *s, void *data), void *data);
_UI_EXTERN void uiSliderSetRange(uiSlider *s, int min, int max);
_UI_EXTERN uiSlider *uiNewSlider(int min, int max);
typedef struct uiProgressBar uiProgressBar;

14
unix/slider.c
View File

@ -44,6 +44,20 @@ void uiSliderOnChanged(uiSlider *s, void (*f)(uiSlider *, void *), void *data)
s->onChangedData = data;
}
void uiSliderSetRange(uiSlider *s, int min, int max)
{
if (min >= max) {
int temp = min;
min = max;
max = temp;
}
// we need to inhibit sending of ::value-changed because this WILL send a ::value-changed otherwise
g_signal_handler_block(s->range, s->onChangedSignal);
gtk_range_set_range(s->range, min, max);
g_signal_handler_unblock(s->range, s->onChangedSignal);
}
uiSlider *uiNewSlider(int min, int max)
{
uiSlider *s;

12
windows/slider.cpp
View File

@ -68,6 +68,18 @@ void uiSliderOnChanged(uiSlider *s, void (*f)(uiSlider *, void *), void *data)
s->onChangedData = data;
}
void uiSliderSetRange(uiSlider *s, int min, int max)
{
if (min >= max) {
int temp = min;
min = max;
max = temp;
}
SendMessageW(s->hwnd, TBM_SETRANGEMIN, (WPARAM) TRUE, (LPARAM) min);
SendMessageW(s->hwnd, TBM_SETRANGEMAX, (WPARAM) TRUE, (LPARAM) max);
}
uiSlider *uiNewSlider(int min, int max)
{
uiSlider *s;