//
// Window - Set window area virtual size (The part where you can put controls in the window).
//
void EZ_window_SetWindowAreaMinVirtualSize(ez_window_t *window, int min_virtual_width, int min_virtual_height)
{
if (window->window_area)
{
EZ_control_SetMinVirtualSize(window->window_area, min_virtual_width, min_virtual_height);
}
}
//
// Scrollpane - Initializes a Scrollpane.
//
void EZ_scrollpane_Init(ez_scrollpane_t *scrollpane, ez_tree_t *tree, ez_control_t *parent,
char *name, char *description,
int x, int y, int width, int height,
ez_control_flags_t flags)
{
int rh_size_h = 0;
int rh_size_v = 0;
ez_control_t *scrollpane_ctrl = (ez_control_t *)scrollpane;
// Initialize the inherited class first.
EZ_control_Init(&scrollpane->super, tree, parent, name, description, x, y, width, height, flags);
// Initilize the button specific stuff.
((ez_control_t *)scrollpane)->CLASS_ID = EZ_SCROLLPANE_ID;
((ez_control_t *)scrollpane)->ext_flags |= (flags | control_focusable | control_contained | control_resizeable);
// Override control events.
CONTROL_REGISTER_EVENT(scrollpane, EZ_scrollpane_OnResize, OnResize, ez_control_t);
// Scrollpane specific events.
CONTROL_REGISTER_EVENT(scrollpane, EZ_scrollpane_OnTargetChanged, OnTargetChanged, ez_scrollpane_t);
CONTROL_REGISTER_EVENT(scrollpane, EZ_scrollpane_OnScrollbarThicknessChanged, OnScrollbarThicknessChanged, ez_scrollpane_t);
scrollpane->scrollbar_thickness = 10;
rh_size_h = (scrollpane_ctrl->ext_flags & control_resize_h) ? scrollpane_ctrl->resize_handle_thickness : 0;
rh_size_v = (scrollpane_ctrl->ext_flags & control_resize_v) ? scrollpane_ctrl->resize_handle_thickness : 0;
EZ_control_SetMinVirtualSize(scrollpane_ctrl, 1, 1);
scrollpane->int_flags |= (show_h_scrollbar | show_v_scrollbar);
// Create vertical scrollbar.
{
scrollpane->v_scrollbar = EZ_scrollbar_Create(tree, scrollpane_ctrl, "Vertical scrollbar", "", 0, 0, 10, 10, control_anchor_viewport);
EZ_control_SetVisible((ez_control_t *)scrollpane->v_scrollbar, true);
EZ_control_SetPosition((ez_control_t *)scrollpane->v_scrollbar, -rh_size_h, rh_size_v);
EZ_control_SetAnchor((ez_control_t *)scrollpane->v_scrollbar, (anchor_top | anchor_bottom | anchor_right));
EZ_scrollbar_SetTargetIsParent(scrollpane->v_scrollbar, false);
EZ_control_AddChild(scrollpane_ctrl, (ez_control_t *)scrollpane->v_scrollbar);
}
// Create horizontal scrollbar.
{
scrollpane->h_scrollbar = EZ_scrollbar_Create(tree, (ez_control_t *)scrollpane, "Horizontal scrollbar", "", 0, 0, 10, 10, control_anchor_viewport);
EZ_control_SetVisible((ez_control_t *)scrollpane->h_scrollbar, true);
EZ_control_SetPosition((ez_control_t *)scrollpane->h_scrollbar, rh_size_h, -rh_size_v);
EZ_control_SetAnchor((ez_control_t *)scrollpane->h_scrollbar, (anchor_left | anchor_bottom | anchor_right));
EZ_scrollbar_SetTargetIsParent(scrollpane->h_scrollbar, false);
EZ_scrollbar_SetIsVertical(scrollpane->h_scrollbar, false);
EZ_control_AddChild(scrollpane_ctrl, (ez_control_t *)scrollpane->h_scrollbar);
}
EZ_scrollpane_ResizeScrollbars(scrollpane);
}
//
// Scrollbar - OnResize event.
//
int EZ_scrollbar_OnResize(ez_control_t *self, void *ext_event_info)
{
ez_scrollbar_t *scrollbar = (ez_scrollbar_t *)self;
// Let the super class do it's thing first.
EZ_control_OnResize(self, NULL);
// Make sure the buttons are in the correct place.
EZ_scrollbar_RepositionScrollButtons(scrollbar);
EZ_scrollbar_CalculateSliderSize(scrollbar, ((scrollbar->ext_flags & target_parent) ? self->parent : scrollbar->target));
// Reset the min virtual size to 1x1 so that the
// scrollbar won't stop resizing when it's parent is resized.
EZ_control_SetMinVirtualSize(self, 1, 1);
CONTROL_EVENT_HANDLER_CALL(NULL, self, ez_control_t, OnResize, NULL);
return 0;
}
//
// Label - Calculates where in the label text that the wordwraps will be done.
//
static void EZ_label_CalculateWordwraps(ez_label_t *label)
{
int i = 0;
int current_index = -1;
int last_index = -1;
// int current_col = 0;
int scaled_char_size = label->scaled_char_size;
label->num_rows = 1;
label->num_cols = 0;
if (label->text && (label->ext_flags & label_wraptext))
{
// Wordwrap the string to the virtual size of the control and save the
// indexes where each row ends in an array.
while ((i < LABEL_MAX_WRAPS) && Util_GetNextWordwrapString(label->text, NULL, (current_index + 1), ¤t_index, LABEL_LINE_SIZE, label->super.virtual_width, scaled_char_size))
{
label->wordwraps[i].index = current_index;
label->wordwraps[i].col = current_index - last_index;
label->wordwraps[i].row = label->num_rows - 1;
i++;
// Find the number of rows and columns.
label->num_cols = max(label->num_cols, label->wordwraps[i].col);
label->num_rows++;
last_index = current_index;
}
}
else if (label->text)
{
// Normal non-wrapped text, still save new line locations.
current_index = 0; // TODO : Will this be ok? Otherwise it will be -1, which definantly is bad :p
while ((i < LABEL_MAX_WRAPS) && label->text[current_index])
{
if (label->text[current_index] == '\n')
{
label->wordwraps[i].index = current_index;
label->wordwraps[i].col = current_index - last_index;
label->wordwraps[i].row = label->num_rows - 1;
i++;
// Find the number of rows and columns.
label->num_cols = max(label->num_cols, label->wordwraps[i].col);
label->num_rows++;
}
current_index++;
}
}
// Save the row/col information for the last row also.
if (label->text)
{
label->wordwraps[i].index = -1;
label->wordwraps[i].row = label->num_rows - 1;
label->wordwraps[i].col = label->text_length - label->wordwraps[max(0, i - 1)].index;
label->num_cols = max(label->num_cols, label->wordwraps[i].col);
}
else
{
// No text.
label->wordwraps[0].index = -1;
label->wordwraps[0].row = -1;
label->wordwraps[0].col = -1;
label->num_cols = 0;
label->num_rows = 0;
}
// Change the virtual height of the control to fit the text when wrapping.
if (label->ext_flags & label_wraptext)
{
EZ_control_SetMinVirtualSize((ez_control_t *)label, label->super.virtual_width_min, scaled_char_size * (label->num_rows + 1));
}
else
{
EZ_control_SetMinVirtualSize((ez_control_t *)label, scaled_char_size * (label->num_cols + 1), scaled_char_size * (label->num_rows + 1));
}
}