libui/unix/group.c

108 lines
2.7 KiB
C

// 11 june 2015
#include "uipriv_unix.h"
struct uiGroup {
uiUnixControl c;
GtkWidget *widget;
GtkContainer *container;
GtkBin *bin;
GtkFrame *frame;
// unfortunately, even though a GtkFrame is a GtkBin, calling gtk_container_set_border_width() on it /includes/ the GtkFrame's label; we don't want tht
struct child *child;
int margined;
};
static void onDestroy(uiGroup *);
uiUnixDefineControlWithOnDestroy(
uiGroup, // type name
onDestroy(this); // on destroy
)
static void onDestroy(uiGroup *g)
{
if (g->child != NULL)
childDestroy(g->child);
}
static void groupContainerUpdateState(uiControl *c)
{
uiGroup *g = uiGroup(c);
if (g->child != NULL)
childUpdateState(g->child);
}
char *uiGroupTitle(uiGroup *g)
{
return uiUnixStrdupText(gtk_frame_get_label(g->frame));
}
void uiGroupSetTitle(uiGroup *g, const char *text)
{
gtk_frame_set_label(g->frame, text);
// changing the text might necessitate a change in the groupbox's size
uiControlQueueResize(uiControl(g));
}
void uiGroupSetChild(uiGroup *g, uiControl *child)
{
if (g->child != NULL)
childRemove(g->child);
g->child = newChildWithBox(child, uiControl(g), g->container, g->margined);
if (g->child != NULL) {
uiControlQueueResize(uiControl(g));
}
}
int uiGroupMargined(uiGroup *g)
{
return g->margined;
}
void uiGroupSetMargined(uiGroup *g, int margined)
{
g->margined = margined;
if (g->child != NULL)
childSetMargined(g->child, g->margined);
uiControlQueueResize(uiControl(g));
}
uiGroup *uiNewGroup(const char *text)
{
uiGroup *g;
gfloat yalign;
GtkLabel *label;
PangoAttribute *bold;
PangoAttrList *boldlist;
g = (uiGroup *) uiNewControl(uiGroup);
g->widget = gtk_frame_new(text);
g->container = GTK_CONTAINER(g->widget);
g->bin = GTK_BIN(g->widget);
g->frame = GTK_FRAME(g->widget);
// with GTK+, groupboxes by default have frames and slightly x-offset regular text
// they should have no frame and fully left-justified, bold text
// preserve default y-alignment
gtk_frame_get_label_align(g->frame, NULL, &yalign);
gtk_frame_set_label_align(g->frame, 0, yalign);
gtk_frame_set_shadow_type(g->frame, GTK_SHADOW_NONE);
label = GTK_LABEL(gtk_frame_get_label_widget(g->frame));
// this is the boldness level used by GtkPrintUnixDialog
// (it technically uses "bold" but see pango's pango-enum-types.c for the name conversion; GType is weird)
bold = pango_attr_weight_new(PANGO_WEIGHT_BOLD);
boldlist = pango_attr_list_new();
pango_attr_list_insert(boldlist, bold);
gtk_label_set_attributes(label, boldlist);
pango_attr_list_unref(boldlist); // thanks baedert in irc.gimp.net/#gtk+
uiUnixFinishNewControl(g, uiGroup);
uiControl(g)->ContainerUpdateState = groupContainerUpdateState;
return g;
}