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WPrefs: set default to 1st color in gradient texture

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This patch is updating the gradient texture user experience
by auto selecting the first color in the list when possible
and fixing the autoselection after a delete action.

In fact what that is called gradient colors is just a list of colors
with hue/saturation/brightness value.
That patch is loading the first one from the list (color, hue,
saturation, brightness) and setting the 3 sliders according to that
value instead of using some default hardcoded values.
The default color value on the top-right is never modified.

Signed-off-by: Carlos R. Mafra <crmafra@gmail.com>
This commit is contained in:
David Maciejak
2014-09-07 10:47:21 +08:00
committed by Carlos R. Mafra
parent 10e0bdf39b
commit 7082561a42
1 changed files with 23 additions and 6 deletions
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29
WPrefs.app/TexturePanel.c
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@@ -357,10 +357,9 @@ static void sliderChangeCallback(WMWidget * w, void *data)
{
TexturePanel *panel = (TexturePanel *) data;
RHSVColor hsv;
int row, rows;
int i, row, rows;
WMListItem *item;
RColor **colors;
int i;
RImage *image;
WMScreen *scr = WMWidgetScreen(w);
@@ -368,7 +367,20 @@ static void sliderChangeCallback(WMWidget * w, void *data)
hsv.saturation = WMGetSliderValue(panel->gsatS);
hsv.value = WMGetSliderValue(panel->gvalS);
rows = WMGetListNumberOfRows(panel->gcolL);
row = WMGetListSelectedItemRow(panel->gcolL);
if (row < 0 && rows > 0) {
row = 0;
WMSelectListItem(panel->gcolL, row);
item = WMGetListItem(panel->gcolL, row);
RRGBtoHSV((RColor *) item->clientData, &hsv);
WMSetSliderValue(panel->ghueS, hsv.hue);
WMSetSliderValue(panel->gsatS, hsv.saturation);
WMSetSliderValue(panel->gvalS, hsv.value);
}
if (row >= 0) {
RColor *rgb;
@@ -382,6 +394,7 @@ static void sliderChangeCallback(WMWidget * w, void *data)
}
if (w == panel->ghueS) {
updateHueSlider(panel->ghueS, panel->listFont, &hsv);
updateSVSlider(panel->gsatS, True, panel->listFont, &hsv);
updateSVSlider(panel->gvalS, False, panel->listFont, &hsv);
} else if (w == panel->gsatS) {
@@ -392,7 +405,6 @@ static void sliderChangeCallback(WMWidget * w, void *data)
updateSVSlider(panel->gsatS, True, panel->listFont, &hsv);
}
rows = WMGetListNumberOfRows(panel->gcolL);
if (rows == 0)
return;
@@ -503,7 +515,7 @@ static void gradDeleteCallback(WMWidget * w, void *data)
{
TexturePanel *panel = (TexturePanel *) data;
WMListItem *item;
int row;
int row, rows;
/* Parameter not used, but tell the compiler that it is ok */
(void) w;
@@ -516,9 +528,14 @@ static void gradDeleteCallback(WMWidget * w, void *data)
wfree(item->clientData);
WMRemoveListItem(panel->gcolL, row);
if (row > 0)
WMSelectListItem(panel->gcolL, row - 1);
else {
rows = WMGetListNumberOfRows(panel->gcolL);
if (rows > 0)
WMSelectListItem(panel->gcolL, 0);
WMSelectListItem(panel->gcolL, row - 1);
}
updateGradButtons(panel);
gradClickCallback(panel->gcolL, panel);