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(svn r17985) -Codechange: make the toolbar container support non-resizable widgets and subclassing of itself.

This commit is contained in:
rubidium 2009-11-06 20:32:15 +00:00
parent 0c005f9cfa
commit 1000445382
1 changed files with 56 additions and 21 deletions
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77
src/toolbar_gui.cpp
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@ -898,6 +898,7 @@ static MenuClickedProc * const _menu_clicked_procs[] = {
/** Full blown container to make it behave exactly as we want :) */
class NWidgetToolbarContainer : public NWidgetContainer {
bool visible[TBN_END]; ///< The visible headers
protected:
uint spacers; ///< Number of spacer widgets in this toolbar
public:
@ -905,6 +906,16 @@ public:
{
}
/**
* Check whether the given widget type is a button for us.
* @param type the widget type to check
* @return true if it is a button for us
*/
bool IsButton(WidgetType type) const
{
return type == WWT_IMGBTN || type == WWT_IMGBTN_2 || type == WWT_PUSHIMGBTN;
}
void SetupSmallestSize(Window *w, bool init_array)
{
this->smallest_x = 0; // Biggest child
@ -919,13 +930,20 @@ public:
for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) {
child_wid->SetupSmallestSize(w, init_array);
this->smallest_y = max(this->smallest_y, child_wid->smallest_y + child_wid->padding_top + child_wid->padding_bottom);
this->smallest_x = max(this->smallest_x, child_wid->smallest_x + child_wid->padding_left + child_wid->padding_right);
if (child_wid->type == NWID_SPACER) this->spacers++;
if (this->IsButton(child_wid->type)) {
this->smallest_x = max(this->smallest_x, child_wid->smallest_x + child_wid->padding_left + child_wid->padding_right);
} else if (child_wid->type == NWID_SPACER) {
this->spacers++;
}
}
/* ... then in a second pass make sure the 'current' heights are set. Won't change ever. */
for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) child_wid->current_y = this->smallest_y;
for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) {
child_wid->current_y = this->smallest_y;
if (!this->IsButton(child_wid->type)) {
child_wid->current_x = child_wid->smallest_x;
}
}
}
void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool allow_resize_x, bool allow_resize_y, bool rtl)
@ -939,9 +957,9 @@ public:
/* Figure out what are the visible buttons */
memset(this->visible, 0, sizeof(this->visible));
uint visible_buttons;
const byte *arrangement = GetButtonArrangement(given_width, visible_buttons);
for (uint i = 0; i < visible_buttons; i++) {
uint arrangable_count, button_count, spacer_count;
const byte *arrangement = GetButtonArrangement(given_width, arrangable_count, button_count, spacer_count);
for (uint i = 0; i < arrangable_count; i++) {
this->visible[arrangement[i]] = true;
}
@ -954,28 +972,34 @@ public:
/* Now assign the widgets to their rightful place */
uint position = 0; // Place to put next child relative to origin of the container.
uint spacer_space = max(0, (int)given_width - (int)(button_count * this->smallest_x)); // Remaining spacing for 'spacer' widgets
uint button_space = given_width - spacer_space; // Remaining spacing for the buttons
uint spacer_i = 0;
uint spacing = max(0, (int)given_width - (int)(visible_buttons * this->smallest_x)); // Remaining spacing for 'spacer' widgets
uint visible_i = 0;
uint button_i = 0;
/* Index into the arrangement indices. The macro lastof cannot be used here! */
const byte *cur_wid = rtl ? &arrangement[visible_buttons - 1] : arrangement;
for (uint i = 0; i < visible_buttons; i++) {
const byte *cur_wid = rtl ? &arrangement[arrangable_count - 1] : arrangement;
for (uint i = 0; i < arrangable_count; i++) {
NWidgetBase *child_wid = widgets[*cur_wid];
if (spacing != 0) {
/* If we have to give space to the spacers, do that */
if (spacer_space != 0) {
NWidgetBase *possible_spacer = rtl ? child_wid->next : child_wid->prev;
if (possible_spacer != NULL && possible_spacer->type == NWID_SPACER) {
uint add = spacing / (this->spacers - spacer_i);
uint add = spacer_space / (spacer_count - spacer_i);
position += add;
spacing -= add;
spacer_space -= add;
spacer_i++;
}
}
child_wid->current_x = (spacing != 0) ? this->smallest_x : (given_width - position) / (visible_buttons - visible_i);
/* Buttons can be scaled, the others not. */
if (this->IsButton(child_wid->type)) {
child_wid->current_x = button_space / (button_count - button_i);
button_space -= child_wid->current_x;
button_i++;
}
child_wid->AssignSizePosition(sizing, x + position, y, child_wid->current_x, this->current_y, allow_resize_x, (this->resize_y > 0), rtl);
position += child_wid->current_x;
visible_i++;
if (rtl) {
cur_wid--;
@ -1022,10 +1046,17 @@ public:
/**
* Get the arrangement of the buttons for the toolbar.
* @param width the new width of the toolbar
* @param count output for the number of buttons
* @param arrangable_count output of the number of visible items
* @param button_count output of the number of visible buttons
* @param spacer_count output of the number of spacers
* @return the button configuration
*/
const byte *GetButtonArrangement(uint width, uint &count) const
virtual const byte *GetButtonArrangement(uint &width, uint &arrangable_count, uint &button_count, uint &spacer_count) const = 0;
};
/** Container for the 'normal' main toolbar */
class NWidgetMainToolbarContainer : public NWidgetToolbarContainer {
/* virtual */ const byte *GetButtonArrangement(uint &width, uint &arrangable_count, uint &button_count, uint &spacer_count) const
{
static const uint SMALLEST_ARRANGEMENT = 14;
static const uint BIGGEST_ARRANGEMENT = 19;
@ -1057,15 +1088,19 @@ public:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
};
/* If at least BIGGEST_ARRANGEMENT fit, just spread all the buttons nicely */
uint full_buttons = max((width + this->smallest_x - 1) / this->smallest_x, SMALLEST_ARRANGEMENT);
if (full_buttons > BIGGEST_ARRANGEMENT) {
count = lengthof(arrange_all);
button_count = arrangable_count = lengthof(arrange_all);
spacer_count = this->spacers;
return arrange_all;
}
/* Introduce the split toolbar */
static const byte * const arrangements[] = { arrange14, arrange15, arrange16, arrange17, arrange18, arrange19 };
count = full_buttons;
button_count = arrangable_count = full_buttons;
spacer_count = this->spacers;
return arrangements[full_buttons - SMALLEST_ARRANGEMENT] + ((_toolbar_mode == TB_LOWER) ? full_buttons : 0);
}
};
@ -1258,7 +1293,7 @@ static NWidgetBase *MakeMainToolbar(int *biggest_index)
SPR_IMG_SWITCH_TOOLBAR, // TBN_SWITCHBAR
};
NWidgetToolbarContainer *hor = new NWidgetToolbarContainer();
NWidgetMainToolbarContainer *hor = new NWidgetMainToolbarContainer();
for (uint i = 0; i < TBN_END; i++) {
switch (i) {
case 4: case 8: case 13: case 17: case 19: case 24: hor->Add(new NWidgetSpacer(0, 0)); break;