Import Tk 8.6.8

This commit is contained in:
Cheryl Sabella
2018-02-22 14:31:15 -05:00
parent b1c28856bb
commit 8e57feeeb9
193 changed files with 6172 additions and 4033 deletions

View File

@@ -288,13 +288,14 @@ static void ActivateTab(Notebook *nb, int index)
* TabState --
* Return the state of the specified tab, based on
* notebook state, currentIndex, activeIndex, and user-specified tab state.
* The USER1 bit is set for the leftmost tab, and USER2
* is set for the rightmost tab.
* The USER1 bit is set for the leftmost visible tab, and USER2
* is set for the rightmost visible tab.
*/
static Ttk_State TabState(Notebook *nb, int index)
{
Ttk_State state = nb->core.state;
Tab *tab = Ttk_SlaveData(nb->notebook.mgr, index);
int i = 0;
if (index == nb->notebook.currentIndex) {
state |= TTK_STATE_SELECTED;
@@ -305,11 +306,25 @@ static Ttk_State TabState(Notebook *nb, int index)
if (index == nb->notebook.activeIndex) {
state |= TTK_STATE_ACTIVE;
}
if (index == 0) {
state |= TTK_STATE_USER1;
for (i = 0; i < Ttk_NumberSlaves(nb->notebook.mgr); ++i) {
Tab *tab = Ttk_SlaveData(nb->notebook.mgr, i);
if (tab->state == TAB_STATE_HIDDEN) {
continue;
}
if (index == i) {
state |= TTK_STATE_USER1;
}
break;
}
if (index == Ttk_NumberSlaves(nb->notebook.mgr) - 1) {
state |= TTK_STATE_USER2;
for (i = Ttk_NumberSlaves(nb->notebook.mgr) - 1; i >= 0; --i) {
Tab *tab = Ttk_SlaveData(nb->notebook.mgr, i);
if (tab->state == TAB_STATE_HIDDEN) {
continue;
}
if (index == i) {
state |= TTK_STATE_USER2;
}
break;
}
if (tab->state == TAB_STATE_DISABLED) {
state |= TTK_STATE_DISABLED;
@@ -325,6 +340,8 @@ static Ttk_State TabState(Notebook *nb, int index)
/* TabrowSize --
* Compute max height and total width of all tabs (horizontal layouts)
* or total height and max width (vertical layouts).
* The -mintabwidth style option is taken into account (for the width
* only).
*
* Side effects:
* Sets width and height fields for all tabs.
@@ -334,7 +351,7 @@ static Ttk_State TabState(Notebook *nb, int index)
* (max height/width) but not parallel (total width/height).
*/
static void TabrowSize(
Notebook *nb, Ttk_Orient orient, int *widthPtr, int *heightPtr)
Notebook *nb, Ttk_Orient orient, int minTabWidth, int *widthPtr, int *heightPtr)
{
Ttk_Layout tabLayout = nb->notebook.tabLayout;
int tabrowWidth = 0, tabrowHeight = 0;
@@ -346,6 +363,7 @@ static void TabrowSize(
Ttk_RebindSublayout(tabLayout, tab);
Ttk_LayoutSize(tabLayout,tabState,&tab->width,&tab->height);
tab->width = MAX(tab->width, minTabWidth);
if (orient == TTK_ORIENT_HORIZONTAL) {
tabrowHeight = MAX(tabrowHeight, tab->height);
@@ -406,7 +424,7 @@ static int NotebookSize(void *clientData, int *widthPtr, int *heightPtr)
/* Tab row:
*/
TabrowSize(nb, nbstyle.tabOrient, &tabrowWidth, &tabrowHeight);
TabrowSize(nb, nbstyle.tabOrient, nbstyle.minTabWidth, &tabrowWidth, &tabrowHeight);
tabrowHeight += Ttk_PaddingHeight(nbstyle.tabMargins);
tabrowWidth += Ttk_PaddingWidth(nbstyle.tabMargins);
@@ -436,47 +454,30 @@ static int NotebookSize(void *clientData, int *widthPtr, int *heightPtr)
/* SqueezeTabs --
* Squeeze or stretch tabs to fit within the tab area parcel.
* This happens independently of the -mintabwidth style option.
*
* All tabs are adjusted by an equal amount, but will not be made
* smaller than the minimum width. (If all the tabs still do
* not fit in the available space, the rightmost ones will
* be further squozen by PlaceTabs()).
*
* The algorithm does not always yield an optimal layout, but does
* have the important property that decreasing the available width
* by one pixel will cause at most one tab to shrink by one pixel;
* this means that tabs resize "smoothly" when the window shrinks
* and grows.
* All tabs are adjusted by an equal amount.
*
* @@@ <<NOTE-TABPOSITION>> bug: only works for horizontal orientations
* @@@ <<NOTE-SQUEEZE-HIDDEN>> does not account for hidden tabs.
*/
static void SqueezeTabs(
Notebook *nb, int needed, int available, int minTabWidth)
Notebook *nb, int needed, int available)
{
int nTabs = Ttk_NumberSlaves(nb->notebook.mgr);
if (nTabs > 0) {
int difference = available - needed,
delta = difference / nTabs,
remainder = difference % nTabs,
slack = 0;
int difference = available - needed;
double delta = (double)difference / needed;
double slack = 0;
int i;
if (remainder < 0) { remainder += nTabs; --delta; }
for (i = 0; i < nTabs; ++i) {
Tab *tab = Ttk_SlaveData(nb->notebook.mgr,i);
int adj = delta + (i < remainder) + slack;
if (tab->width + adj >= minTabWidth) {
tab->width += adj;
slack = 0;
} else {
slack = adj - (minTabWidth - tab->width);
tab->width = minTabWidth;
}
double ad = slack + tab->width * delta;
tab->width += (int)ad;
slack = ad - (int)ad;
}
}
}
@@ -539,8 +540,13 @@ static void NotebookDoLayout(void *recordPtr)
Ttk_PlaceLayout(nb->core.layout, nb->core.state, Ttk_WinBox(nbwin));
/* Place tabs:
* Note: TabrowSize() takes into account -mintabwidth, but the tabs will
* actually have this minimum size when displayed only if there is enough
* space to draw the tabs with this width. Otherwise some of the tabs can
* be squeezed to a size smaller than -mintabwidth because we prefer
* displaying all tabs than than honoring -mintabwidth for all of them.
*/
TabrowSize(nb, nbstyle.tabOrient, &tabrowWidth, &tabrowHeight);
TabrowSize(nb, nbstyle.tabOrient, nbstyle.minTabWidth, &tabrowWidth, &tabrowHeight);
tabrowBox = Ttk_PadBox(
Ttk_PositionBox(&cavity,
tabrowWidth + Ttk_PaddingWidth(nbstyle.tabMargins),
@@ -548,7 +554,7 @@ static void NotebookDoLayout(void *recordPtr)
nbstyle.tabPosition),
nbstyle.tabMargins);
SqueezeTabs(nb, tabrowWidth, tabrowBox.width, nbstyle.minTabWidth);
SqueezeTabs(nb, tabrowWidth, tabrowBox.width);
PlaceTabs(nb, tabrowBox, nbstyle.tabPlacement);
/* Layout for client area frame:
@@ -621,9 +627,12 @@ static void SelectTab(Notebook *nb, int index)
Ttk_UnmapSlave(nb->notebook.mgr, currentIndex);
}
NotebookPlaceSlave(nb, index);
/* Must be set before calling NotebookPlaceSlave(), otherwise it may
* happen that NotebookPlaceSlaves(), triggered by an interveaning
* geometry request, will swap to old index. */
nb->notebook.currentIndex = index;
NotebookPlaceSlave(nb, index);
TtkRedisplayWidget(&nb->core);
TtkSendVirtualEvent(nb->core.tkwin, "NotebookTabChanged");