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GUIFormSpecMenu::OnEvent code style update and small refactor 

* Make method (more) consistent with current code stlye
* Move index into loop constructor after @rubenwardy's suggestion
* Cache inv_s->getList(s.listname), which removes a possibly bad scenario
of inv_s being null.
* Properly check for validity
This commit is contained in:
est31 2015-06-16 20:33:07 +02:00
parent 7b7f8b7225
commit 7a90b31b30
1 changed files with 79 additions and 86 deletions
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165
src/guiFormSpecMenu.cpp
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@ -3051,10 +3051,10 @@ bool GUIFormSpecMenu::DoubleClickDetection(const SEvent event)
bool GUIFormSpecMenu::OnEvent(const SEvent& event)
{
if(event.EventType==EET_KEY_INPUT_EVENT) {
if (event.EventType==EET_KEY_INPUT_EVENT) {
KeyPress kp(event.KeyInput);
if (event.KeyInput.PressedDown && ( (kp == EscapeKey) ||
(kp == getKeySetting("keymap_inventory")) || (kp == CancelKey))) {
(kp == getKeySetting("keymap_inventory")) || (kp == CancelKey))) {
if (m_allowclose) {
doPause = false;
acceptInput(quit_mode_cancel);
@ -3064,8 +3064,8 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
}
return true;
} else if (m_client != NULL && event.KeyInput.PressedDown &&
(kp == getKeySetting("keymap_screenshot"))) {
m_client->makeScreenshot(m_device);
(kp == getKeySetting("keymap_screenshot"))) {
m_client->makeScreenshot(m_device);
}
if (event.KeyInput.PressedDown &&
(event.KeyInput.Key==KEY_RETURN ||
@ -3116,8 +3116,9 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
Inventory *inv_selected = NULL;
Inventory *inv_s = NULL;
InventoryList *list_s = NULL;
if(m_selected_item) {
if (m_selected_item) {
inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
sanity_check(inv_selected);
sanity_check(inv_selected->getList(m_selected_item->listname) != NULL);
@ -3125,35 +3126,35 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
u32 s_count = 0;
if(s.isValid())
if (s.isValid())
do { // breakable
inv_s = m_invmgr->getInventory(s.inventoryloc);
if(!inv_s) {
errorstream<<"InventoryMenu: The selected inventory location "
<<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
<<std::endl;
if (!inv_s) {
errorstream << "InventoryMenu: The selected inventory location "
<< "\"" << s.inventoryloc.dump() << "\" doesn't exist"
<< std::endl;
s.i = -1; // make it invalid again
break;
}
InventoryList *list = inv_s->getList(s.listname);
if(list == NULL) {
verbosestream<<"InventoryMenu: The selected inventory list \""
<<s.listname<<"\" does not exist"<<std::endl;
list_s = inv_s->getList(s.listname);
if (list_s == NULL) {
verbosestream << "InventoryMenu: The selected inventory list \""
<< s.listname << "\" does not exist" << std::endl;
s.i = -1; // make it invalid again
break;
}
if((u32)s.i >= list->getSize()) {
infostream<<"InventoryMenu: The selected inventory list \""
<<s.listname<<"\" is too small (i="<<s.i<<", size="
<<list->getSize()<<")"<<std::endl;
if ((u32)s.i >= list_s->getSize()) {
infostream << "InventoryMenu: The selected inventory list \""
<< s.listname << "\" is too small (i=" << s.i << ", size="
<< list_s->getSize() << ")" << std::endl;
s.i = -1; // make it invalid again
break;
}
s_count = list->getItem(s.i).count;
s_count = list_s->getItem(s.i).count;
} while(0);
bool identical = (m_selected_item != NULL) && s.isValid() &&
@ -3165,19 +3166,19 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
// up/down: 0 = down (press), 1 = up (release), 2 = unknown event, -1 movement
int button = 0;
int updown = 2;
if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
{ button = 0; updown = 0; }
else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
else if (event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
{ button = 1; updown = 0; }
else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
else if (event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
{ button = 2; updown = 0; }
else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
else if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
{ button = 0; updown = 1; }
else if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
else if (event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
{ button = 1; updown = 1; }
else if(event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP)
else if (event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP)
{ button = 2; updown = 1; }
else if(event.MouseInput.Event == EMIE_MOUSE_MOVED)
else if (event.MouseInput.Event == EMIE_MOUSE_MOVED)
{ updown = -1;}
// Set this number to a positive value to generate a move action
@ -3195,7 +3196,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
// Set this number to a positive value to generate a craft action at s.
u32 craft_amount = 0;
if(updown == 0) {
if (updown == 0) {
// Some mouse button has been pressed
//infostream<<"Mouse button "<<button<<" pressed at p=("
@ -3203,19 +3204,18 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
m_selected_dragging = false;
if(s.isValid() && s.listname == "craftpreview") {
if (s.isValid() && s.listname == "craftpreview") {
// Craft preview has been clicked: craft
craft_amount = (button == 2 ? 10 : 1);
}
else if(m_selected_item == NULL) {
if(s_count != 0) {
} else if (m_selected_item == NULL) {
if (s_count != 0) {
// Non-empty stack has been clicked: select or shift-move it
m_selected_item = new ItemSpec(s);
u32 count;
if(button == 1) // right
if (button == 1) // right
count = (s_count + 1) / 2;
else if(button == 2) // middle
else if (button == 2) // middle
count = MYMIN(s_count, 10);
else // left
count = s_count;
@ -3233,21 +3233,20 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
shift_move_amount = 1;
}
}
}
else { // m_selected_item != NULL
} else { // m_selected_item != NULL
assert(m_selected_amount >= 1);
if(s.isValid()) {
if (s.isValid()) {
// Clicked a slot: move
if(button == 1) // right
if (button == 1) // right
move_amount = 1;
else if(button == 2) // middle
else if (button == 2) // middle
move_amount = MYMIN(m_selected_amount, 10);
else // left
move_amount = m_selected_amount;
if(identical) {
if(move_amount >= m_selected_amount)
if (identical) {
if (move_amount >= m_selected_amount)
m_selected_amount = 0;
else
m_selected_amount -= move_amount;
@ -3256,29 +3255,28 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
}
else if (!getAbsoluteClippingRect().isPointInside(m_pointer)) {
// Clicked outside of the window: drop
if(button == 1) // right
if (button == 1) // right
drop_amount = 1;
else if(button == 2) // middle
else if (button == 2) // middle
drop_amount = MYMIN(m_selected_amount, 10);
else // left
drop_amount = m_selected_amount;
}
}
}
else if(updown == 1) {
else if (updown == 1) {
// Some mouse button has been released
//infostream<<"Mouse button "<<button<<" released at p=("
// <<p.X<<","<<p.Y<<")"<<std::endl;
if(m_selected_item != NULL && m_selected_dragging && s.isValid()) {
if(!identical) {
if (m_selected_item != NULL && m_selected_dragging && s.isValid()) {
if (!identical) {
// Dragged to different slot: move all selected
move_amount = m_selected_amount;
}
}
else if(m_selected_item != NULL && m_selected_dragging &&
!(getAbsoluteClippingRect().isPointInside(m_pointer))) {
} else if (m_selected_item != NULL && m_selected_dragging &&
!(getAbsoluteClippingRect().isPointInside(m_pointer))) {
// Dragged outside of window: drop all selected
drop_amount = m_selected_amount;
}
@ -3287,14 +3285,13 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
// Keep count of how many times right mouse button has been
// clicked. One click is drag without dropping. Click + release
// + click changes to drop one item when moved mode
if(button == 1 && m_selected_item != NULL)
if (button == 1 && m_selected_item != NULL)
m_rmouse_auto_place = !m_rmouse_auto_place;
}
else if(updown == -1) {
} else if (updown == -1) {
// Mouse has been moved and rmb is down and mouse pointer just
// entered a new inventory field (checked in the entry-if, this
// is the only action here that is generated by mouse movement)
if(m_selected_item != NULL && s.isValid()){
if (m_selected_item != NULL && s.isValid()) {
// Move 1 item
// TODO: middle mouse to move 10 items might be handy
if (m_rmouse_auto_place) {
@ -3302,7 +3299,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
// or contains the same item type as what is going to be
// moved
InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
InventoryList *list_to = inv_s->getList(s.listname);
InventoryList *list_to = list_s;
assert(list_from && list_to);
ItemStack stack_from = list_from->getItem(m_selected_item->i);
ItemStack stack_to = list_to->getItem(s.i);
@ -3321,7 +3318,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
assert(inv_selected && inv_s);
InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
InventoryList *list_to = inv_s->getList(s.listname);
InventoryList *list_to = list_s;
assert(list_from && list_to);
ItemStack stack_from = list_from->getItem(m_selected_item->i);
ItemStack stack_to = list_to->getItem(s.i);
@ -3340,7 +3337,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
m_selected_content_guess_inventory = s.inventoryloc;
}
// Source stack goes fully into destination stack
else if(leftover.empty()) {
else if (leftover.empty()) {
m_selected_amount -= move_amount;
m_selected_content_guess = ItemStack(); // Clear
}
@ -3351,7 +3348,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
m_selected_content_guess = ItemStack(); // Clear
}
infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
infostream << "Handing IACTION_MOVE to manager" << std::endl;
IMoveAction *a = new IMoveAction();
a->count = move_amount;
a->from_inv = m_selected_item->inventoryloc;
@ -3375,8 +3372,8 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
break;
u32 to_inv_ind = (i + 1) % mis;
const ListRingSpec &to_inv_sp = m_inventory_rings[to_inv_ind];
InventoryList *list_from = inv_s->getList(s.listname);
if (!list_from)
InventoryList *list_from = list_s;
if (!s.isValid())
break;
Inventory *inv_to = m_invmgr->getInventory(to_inv_sp.inventoryloc);
if (!inv_to)
@ -3388,10 +3385,10 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
assert(shift_move_amount <= stack_from.count);
// find a place (or more than one) to add the new item
u32 slot_to = 0;
u32 ilt_size = list_to->getSize();
ItemStack leftover;
for (; slot_to < ilt_size && shift_move_amount > 0; slot_to++) {
for (u32 slot_to = 0; slot_to < ilt_size
&& shift_move_amount > 0; slot_to++) {
list_to->itemFits(slot_to, stack_from, &leftover);
if (leftover.count < stack_from.count) {
infostream << "Handing IACTION_MOVE to manager" << std::endl;
@ -3427,15 +3424,14 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
assert(drop_amount > 0 && drop_amount <= m_selected_amount);
m_selected_amount -= drop_amount;
infostream<<"Handing IACTION_DROP to manager"<<std::endl;
infostream << "Handing IACTION_DROP to manager" << std::endl;
IDropAction *a = new IDropAction();
a->count = drop_amount;
a->from_inv = m_selected_item->inventoryloc;
a->from_list = m_selected_item->listname;
a->from_i = m_selected_item->i;
m_invmgr->inventoryAction(a);
}
else if(craft_amount > 0) {
} else if (craft_amount > 0) {
m_selected_content_guess = ItemStack(); // Clear
// Send IACTION_CRAFT
@ -3443,7 +3439,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
assert(s.isValid());
assert(inv_s);
infostream<<"Handing IACTION_CRAFT to manager"<<std::endl;
infostream << "Handing IACTION_CRAFT to manager" << std::endl;
ICraftAction *a = new ICraftAction();
a->count = craft_amount;
a->craft_inv = s.inventoryloc;
@ -3451,7 +3447,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
}
// If m_selected_amount has been decreased to zero, deselect
if(m_selected_amount == 0) {
if (m_selected_amount == 0) {
delete m_selected_item;
m_selected_item = NULL;
m_selected_amount = 0;
@ -3460,12 +3456,12 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
}
m_old_pointer = m_pointer;
}
if(event.EventType==EET_GUI_EVENT) {
if (event.EventType == EET_GUI_EVENT) {
if(event.GUIEvent.EventType==gui::EGET_TAB_CHANGED
if (event.GUIEvent.EventType == gui::EGET_TAB_CHANGED
&& isVisible()) {
// find the element that was clicked
for(unsigned int i=0; i<m_fields.size(); i++) {
for (unsigned int i=0; i<m_fields.size(); i++) {
FieldSpec &s = m_fields[i];
if ((s.ftype == f_TabHeader) &&
(s.fid == event.GUIEvent.Caller->getID())) {
@ -3476,16 +3472,16 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
}
}
}
if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
if (event.GUIEvent.EventType == gui::EGET_ELEMENT_FOCUS_LOST
&& isVisible()) {
if(!canTakeFocus(event.GUIEvent.Element)) {
if (!canTakeFocus(event.GUIEvent.Element)) {
infostream<<"GUIFormSpecMenu: Not allowing focus change."
<<std::endl;
// Returning true disables focus change
return true;
}
}
if((event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED) ||
if ((event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED) ||
(event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED) ||
(event.GUIEvent.EventType == gui::EGET_COMBO_BOX_CHANGED) ||
(event.GUIEvent.EventType == gui::EGET_SCROLL_BAR_CHANGED)) {
@ -3504,14 +3500,14 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
}
// find the element that was clicked
for(u32 i=0; i<m_fields.size(); i++) {
for (u32 i = 0; i < m_fields.size(); i++) {
FieldSpec &s = m_fields[i];
// if its a button, set the send field so
// lua knows which button was pressed
if (((s.ftype == f_Button) || (s.ftype == f_CheckBox)) &&
(s.fid == event.GUIEvent.Caller->getID())) {
s.send = true;
if(s.is_exit) {
if (s.is_exit) {
if (m_allowclose) {
acceptInput(quit_mode_accept);
quitMenu();
@ -3524,11 +3520,10 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
s.send = false;
return true;
}
}
else if ((s.ftype == f_DropDown) &&
} else if ((s.ftype == f_DropDown) &&
(s.fid == event.GUIEvent.Caller->getID())) {
// only send the changed dropdown
for(u32 i=0; i<m_fields.size(); i++) {
for (u32 i = 0; i < m_fields.size(); i++) {
FieldSpec &s2 = m_fields[i];
if (s2.ftype == f_DropDown) {
s2.send = false;
@ -3539,17 +3534,15 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
// revert configuration to make sure dropdowns are sent on
// regular button click
for(u32 i=0; i<m_fields.size(); i++) {
for (u32 i = 0; i < m_fields.size(); i++) {
FieldSpec &s2 = m_fields[i];
if (s2.ftype == f_DropDown) {
s2.send = true;
}
}
return true;
}
else if ((s.ftype == f_ScrollBar) &&
(s.fid == event.GUIEvent.Caller->getID()))
{
} else if ((s.ftype == f_ScrollBar) &&
(s.fid == event.GUIEvent.Caller->getID())) {
s.fdefault = L"Changed";
acceptInput(quit_mode_no);
s.fdefault = L"";
@ -3557,8 +3550,8 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
}
}
if(event.GUIEvent.EventType == gui::EGET_EDITBOX_ENTER) {
if(event.GUIEvent.Caller->getID() > 257) {
if (event.GUIEvent.EventType == gui::EGET_EDITBOX_ENTER) {
if (event.GUIEvent.Caller->getID() > 257) {
if (m_allowclose) {
acceptInput(quit_mode_accept);
@ -3572,11 +3565,11 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
}
}
if(event.GUIEvent.EventType == gui::EGET_TABLE_CHANGED) {
if (event.GUIEvent.EventType == gui::EGET_TABLE_CHANGED) {
int current_id = event.GUIEvent.Caller->getID();
if(current_id > 257) {
if (current_id > 257) {
// find the element that was clicked
for(u32 i=0; i<m_fields.size(); i++) {
for (u32 i = 0; i < m_fields.size(); i++) {
FieldSpec &s = m_fields[i];
// if it's a table, set the send field
// so lua knows which table was changed