160 lines
3.7 KiB
C
160 lines
3.7 KiB
C
// 7 april 2015
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#include "uipriv_unix.h"
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struct boxChild {
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uiControl *c;
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int stretchy;
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gboolean oldhexpand;
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GtkAlign oldhalign;
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gboolean oldvexpand;
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GtkAlign oldvalign;
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};
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struct uiBox {
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uiUnixControl c;
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GtkWidget *widget;
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GtkContainer *container;
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GtkBox *box;
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GArray *controls;
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int vertical;
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int padded;
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GtkSizeGroup *stretchygroup; // ensures all stretchy controls have the same size
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};
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uiUnixControlAllDefaultsExceptDestroy(uiBox)
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#define ctrl(b, i) &g_array_index(b->controls, struct boxChild, i)
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static void uiBoxDestroy(uiControl *c)
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{
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uiBox *b = uiBox(c);
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struct boxChild *bc;
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guint i;
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// kill the size group
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g_object_unref(b->stretchygroup);
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// free all controls
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for (i = 0; i < b->controls->len; i++) {
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bc = ctrl(b, i);
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uiControlSetParent(bc->c, NULL);
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// and make sure the widget itself stays alive
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uiUnixControlSetContainer(uiUnixControl(bc->c), b->container, TRUE);
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uiControlDestroy(bc->c);
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}
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g_array_free(b->controls, TRUE);
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// and then ourselves
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g_object_unref(b->widget);
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uiFreeControl(uiControl(b));
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}
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void uiBoxAppend(uiBox *b, uiControl *c, int stretchy)
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{
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struct boxChild bc;
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GtkWidget *widget;
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bc.c = c;
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bc.stretchy = stretchy;
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widget = GTK_WIDGET(uiControlHandle(bc.c));
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bc.oldhexpand = gtk_widget_get_hexpand(widget);
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bc.oldhalign = gtk_widget_get_halign(widget);
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bc.oldvexpand = gtk_widget_get_vexpand(widget);
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bc.oldvalign = gtk_widget_get_valign(widget);
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if (bc.stretchy) {
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if (b->vertical) {
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gtk_widget_set_vexpand(widget, TRUE);
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gtk_widget_set_valign(widget, GTK_ALIGN_FILL);
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} else {
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gtk_widget_set_hexpand(widget, TRUE);
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gtk_widget_set_halign(widget, GTK_ALIGN_FILL);
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}
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gtk_size_group_add_widget(b->stretchygroup, widget);
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} else
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if (b->vertical)
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gtk_widget_set_vexpand(widget, FALSE);
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else
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gtk_widget_set_hexpand(widget, FALSE);
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// and make them fill the opposite direction
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if (b->vertical) {
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gtk_widget_set_hexpand(widget, TRUE);
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gtk_widget_set_halign(widget, GTK_ALIGN_FILL);
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} else {
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gtk_widget_set_vexpand(widget, TRUE);
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gtk_widget_set_valign(widget, GTK_ALIGN_FILL);
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}
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uiControlSetParent(bc.c, uiControl(b));
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uiUnixControlSetContainer(uiUnixControl(bc.c), b->container, FALSE);
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g_array_append_val(b->controls, bc);
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}
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void uiBoxDelete(uiBox *b, int index)
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{
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struct boxChild *bc;
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GtkWidget *widget;
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bc = ctrl(b, index);
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widget = GTK_WIDGET(uiControlHandle(bc->c));
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uiControlSetParent(bc->c, NULL);
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uiUnixControlSetContainer(uiUnixControl(bc->c), b->container, TRUE);
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if (bc->stretchy)
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gtk_size_group_remove_widget(b->stretchygroup, widget);
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gtk_widget_set_hexpand(widget, bc->oldhexpand);
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gtk_widget_set_halign(widget, bc->oldhalign);
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gtk_widget_set_vexpand(widget, bc->oldvexpand);
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gtk_widget_set_valign(widget, bc->oldvalign);
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g_array_remove_index(b->controls, index);
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}
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int uiBoxPadded(uiBox *b)
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{
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return b->padded;
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}
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void uiBoxSetPadded(uiBox *b, int padded)
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{
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b->padded = padded;
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if (b->padded)
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if (b->vertical)
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gtk_box_set_spacing(b->box, uiprivGTKYPadding);
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else
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gtk_box_set_spacing(b->box, uiprivGTKXPadding);
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else
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gtk_box_set_spacing(b->box, 0);
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}
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static uiBox *finishNewBox(GtkOrientation orientation)
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{
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uiBox *b;
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uiUnixNewControl(uiBox, b);
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b->widget = gtk_box_new(orientation, 0);
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b->container = GTK_CONTAINER(b->widget);
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b->box = GTK_BOX(b->widget);
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b->vertical = orientation == GTK_ORIENTATION_VERTICAL;
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if (b->vertical)
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b->stretchygroup = gtk_size_group_new(GTK_SIZE_GROUP_VERTICAL);
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else
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b->stretchygroup = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
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b->controls = g_array_new(FALSE, TRUE, sizeof (struct boxChild));
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return b;
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}
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uiBox *uiNewHorizontalBox(void)
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{
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return finishNewBox(GTK_ORIENTATION_HORIZONTAL);
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}
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uiBox *uiNewVerticalBox(void)
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{
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return finishNewBox(GTK_ORIENTATION_VERTICAL);
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}
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