121 lines
2.8 KiB
C
121 lines
2.8 KiB
C
// 28 august 2015
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#include "uipriv_unix.h"
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// This file contains helpers for managing child controls.
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struct child {
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uiControl *c;
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GtkWidget *widget;
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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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// Some children can be boxed; that is, they can have an optionally-margined box around them.
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// uiGroup, uiTab, and uiWindow all do this.
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GtkWidget *box;
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// If the child is not boxed, this is its parent.
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// If the child is boxed, this is the box.
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GtkContainer *parent;
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// This flag is for users of these functions.
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// For uiBox, this is "spaced".
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// For uiTab, this is "margined". (uiGroup and uiWindow have to maintain their margined state themselves, since the margined state is independent of whether there is a child for those two.)
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int flag;
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};
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struct child *newChild(uiControl *child, uiControl *parent, GtkContainer *parentContainer)
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{
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struct child *c;
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if (child == NULL)
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return NULL;
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c = uiNew(struct child);
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c->c = child;
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c->widget = GTK_WIDGET(uiControlHandle(c->c));
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c->oldhexpand = gtk_widget_get_hexpand(c->widget);
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c->oldhalign = gtk_widget_get_halign(c->widget);
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c->oldvexpand = gtk_widget_get_vexpand(c->widget);
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c->oldvalign = gtk_widget_get_valign(c->widget);
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uiControlSetParent(c->c, parent);
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uiUnixControlSetContainer(uiUnixControl(c->c), parentContainer, FALSE);
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c->parent = parentContainer;
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return c;
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}
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struct child *newChildWithBox(uiControl *child, uiControl *parent, GtkContainer *parentContainer, int margined)
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{
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struct child *c;
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GtkWidget *box;
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if (child == NULL)
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return NULL;
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box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_widget_show(box);
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c = newChild(child, parent, GTK_CONTAINER(box));
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gtk_widget_set_hexpand(c->widget, TRUE);
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gtk_widget_set_halign(c->widget, GTK_ALIGN_FILL);
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gtk_widget_set_vexpand(c->widget, TRUE);
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gtk_widget_set_valign(c->widget, GTK_ALIGN_FILL);
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c->box = box;
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gtk_container_add(parentContainer, c->box);
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childSetMargined(c, margined);
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return c;
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}
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void childRemove(struct child *c)
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{
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uiControlSetParent(c->c, NULL);
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uiUnixControlSetContainer(uiUnixControl(c->c), c->parent, TRUE);
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gtk_widget_set_hexpand(c->widget, c->oldhexpand);
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gtk_widget_set_halign(c->widget, c->oldhalign);
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gtk_widget_set_vexpand(c->widget, c->oldvexpand);
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gtk_widget_set_valign(c->widget, c->oldvalign);
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if (c->box != NULL)
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gtk_widget_destroy(c->box);
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uiFree(c);
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}
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void childDestroy(struct child *c)
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{
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uiControl *child;
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child = c->c;
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childRemove(c);
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uiControlDestroy(child);
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}
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GtkWidget *childWidget(struct child *c)
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{
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return c->widget;
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}
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int childFlag(struct child *c)
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{
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return c->flag;
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}
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void childSetFlag(struct child *c, int flag)
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{
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c->flag = flag;
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}
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GtkWidget *childBox(struct child *c)
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{
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return c->box;
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}
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void childSetMargined(struct child *c, int margined)
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{
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setMargined(GTK_CONTAINER(c->box), margined);
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}
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